Effect of different irrigation regimes and zeolit super absorbent on the yield and yield components of forage sorghum
alireza
torabi
M.Sc. Student of Agronomy, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran.
author
Hassan
Farahbakhsh
Associate Professor of Agronomy & Crop Breeding Department, Faculty of Agriculture, Shahid Bahonar
University of Kerman, Kerman, Iran
author
gholam reza
khajoienejad
Assistant Professor of Agronomy & Crop Breeding Department, Faculty of Agriculture, Shahid Bahonar
University of Kerman, Kerman, Iran
author
text
article
2013
per
In order to investigate the effects of different irrigation regimes and zeolit on the yield, yield componentsand relative leaf water content of sorghum, a field experiment was conducted in split plot in time andspace based on randomized complete block design with three replicates in research station of ShahidBahonar University of Kerman in 2011. Irrigation regimes (100, 80, 60 and 40% of field capacity) anddifferent amounts of zeolite (control, 150 and 300 kg ha-1) were arranged as main and sub plots,respectively. Irrigation regimes showed significant effect on all traits (fresh weight, dry mater, height,relative water content etc.) except stem node number. Meantime, all the traits except stem height, relativewater content and the crop growth rate at the first and fourth stage of sampling affected by superabsorbent so that the highest amount of the measured traits were recorded for 300 kg ha-1 super absorbent.Interaction effect of the irrigation water × SAP × harvest was significant for fresh weight. The highestFW in second harvest belonged to I100 × 300 kg ha-1 SAP. At the end, it can be concluded that applicationof 300 kg ha-1 super absorbent in irrigation levels lower than field capacity will result in 20% increase inyield.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
1
14
https://jci.ut.ac.ir/article_36382_dbf05727c9d9503136bfd79ba8a16c43.pdf
dx.doi.org/10.22059/jci.2013.36382
Effect of propagation systems, cutting position and IBA concentrations on rooting of malling merton (106, 111) cuttings
Hassan
Hajnajjari
Assistant Professor, Department of Horticulture, Seed and Plant Improvement Institute, Karaj, Iran.
author
Mohialdin
Pirkhezri
Researcher, Department of Horticulture, Seed and Plant Improvement Institute, Karaj, Iran
author
Daryoush
Atashkar
Researcher, Department of Horticulture, Seed and Plant Improvement Institute, Karaj, Iran.
author
text
article
2013
per
Using apple clonal rootstocks is necessary for improving crop efficiency in apple orchards. After graftingof apple cultivars on malling rootstocks, the extra parts of the rootstock was used as stem cuttings. Apical,middle and basal parts of these shoots were used as cuttings. Two propagation conditions, greenhouse andnursery and three concentrations of Indole-3- Butyric acid (IBA) on rooting, callus production, rootnumber and root length of two apple rootstocks (MM106, MM111). Some cuttings were placed upsidedown. The results showed that there were significant differences among the different treatments ofcultural system, cutting position, type of rootstock and IBA concentration. The percentage of rooting innursery propagation system with inverted cuttings (28.77%) have significant difference with greenhousesystem (22.19%) and MM106 with 38.82% rooting had a significant difference to MM111 with 12.4%rooting. The highest rooting percentage (38.82%) was obtained at 2500 mg/l of IBA.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
15
26
https://jci.ut.ac.ir/article_36383_ecaf23f285fa874b1be4861ca5404099.pdf
dx.doi.org/10.22059/jci.2013.36383
Safflower growth analysis using regression modeling
Mohammad saeed
Hasanvandi
Ph.D. Student, Department of Agriculture, Science and Research Branch, Islamic Azad University, Khouzestan, Iran
author
Masoud
Rafiee
Associate Professor, Agriculture and Natural Resources Research Center of Lorestan, Khorramabad, Iran.
author
Azimeh
bagheri
M.Sc., Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Lorestan, Khorramabad, Iran
author
text
article
2013
per
Growth analysis is a valuable method in the quantitative analysis of crop growth, development and cropproduction. In order to evaluate effects of nitrogen rates and plant density on physiological growth indicesof safflower, an experiment was conducted at Khorramabad, Lorestan province in 2008. The experimentwas carried out as split plot in basis of randomized complete block design with four replications. Threenitrogen application rates were as main plots (N1=control, N2=75 and N3=150 kg/ha net nitrogen) andplant density was as sub plots in 3 levels (D1=40, D2=50 and D3=60 plant/m2). The growth degree dayindex was used to examine more closely fitting growth curves using non-linear regression models.Appropriate model was selected for each growth index. The results showed that application of nitrogenled to increasing of growth indexes including leaf area, total dry matter and crop growth rate. But, netassimilation rate was reduced. Growth indexes such as, leaf area, total dry matter, did not change withincreasing plant density, due to branching of safflower. However, crop growth and net assimilation ratewere reduced in plants. Overall, the results show that applied nitrogen has a more positive effect onsafflower growth index compared to density changes.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
27
37
https://jci.ut.ac.ir/article_36384_7bef661110edd91f404c78d058b808b0.pdf
dx.doi.org/10.22059/jci.2013.36384
Effect of different ammonium to total nitrogen ratios on vegetative growth and flowering of pot plants of poinsettia
Alireza
Moshrefi Araghi
MSc student, Department of Horticulture Science and Landscape, College of Agriculture and
Natural Resources, University of Tehran, Karaj, Iran
author
Rohangiz
Naderi
Associate Professor, Department of Horticulture Science and Landscape, College of
Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
author
Mesbah
Babalar
Professor, Department of Horticulture Science and Landscape, College of Agriculture and
Natural Resources, University of Tehran, Karaj, Iran.
author
mohammad
taheri
Assistant Professor, Department of Horticulture Science and Landscape, College of
Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
author
text
article
2013
per
Poinsettia (Euphorbia pulcherrima) is a potted plant, which its colorful bracts appear in short days. In thisexperiment, effect of different ammonium to total nitrogen ratios on quantitative and qualitative traits ofpoinsettia was studied. The experiment was conducted as a complete randomized design with threereplicates. The plants were irrigated with water containing of different ammonium to total nitrogen ratiosof 0, 0.05, 0.1 and 0.16. At the end of experiment, vegetative traits, fresh and dry weight of shoot androot, chlorophyll index and mineral elements concentration were assessed. Overall study results revealedthat quality and quantity characteristics of poinsettia were significantly affected by various ammoniumsto total nitrogen ratios. So that, the maximum bract area and leaf area achieved for the ratio 0.05 meq/land the minimum achieved for the ratio 0.16 meq/l. Bract productions in plants delayed and its longevitydecreased by ratios higher than 0.05 meq/l. In addition, effect of treatments on fresh and dry weight ofbract, leaf, stem, and root and leaf nitrogen level was significant. According to the results, adjustment ofammonium to total nitrogen in the nutrient solution with ratio of 0.05 meq/l likely makes improving in theproduction characteristics of poinsettia.Keywords: ammonium, bract, chlorophyll
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
39
51
https://jci.ut.ac.ir/article_36385_2b709ef2262448921717017e03a91d12.pdf
dx.doi.org/10.22059/jci.2013.36385
Comparison between the potential of sewage sludge and municipal solid waste compost on enrichment of soil with some micronutrients
Seyed Majid
Mousavi
Ph.D. Student, Department of Soil Science, University of Tehran, College of Agriculture and Natural Resources, Karaj,
Iran
author
zahra
Ahmadabadi
M.Sc., Department of Soil Science, Sari University of Agricultural Science and Natural Resources, Sari, Iran
author
text
article
2013
per
To compare potential of two organic materials including sewage sludge (SS) and municipal solid wastecompost (MSW) on micronutrients entry to soil, a research was conducted as split-plot arrangement basedon randomized complete block design with three replications in research field of Sari AgriculturalUniversity. Main-plot (fertilizer treatments) included 20 and 40 ton/ha SS, 20 and 40 ton/ha SS + 50%chemical fertilizer (CF), 20 and 40 ton/ha MSW, 20 and 40 ton/ha MSW + 1/2 CF, CF and control. Subplot(years of application) comprised 3 treatments (1, 2 and 3 times of application). Results showed thatboth fertilizer treatments and application period treatments enhanced accumulation of micronutrients insoil significantly so that SS treatments had more influence compared to MSW treatments. The highesttotal and available Fe and Zn, total Mn and Cu were obtained in SS treatments. While, the most availableMn and available Cu was observed in 3 continuous years application of enriched 40 ton MSW and 20 tonMSW with CF, respectively.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
53
63
https://jci.ut.ac.ir/article_36386_dfeb5b08a546908f84d37fcf71755afd.pdf
dx.doi.org/10.22059/jci.2013.36386
Comparison of seven types of medium in three compactness levels on qualitative characteristics of spring lawn
soheila
javahery
Former M.Sc. student, Department of Horticultural Science, Faculty of Agriculture, Gorgan University of
Agricultural Sciences and Natural Resources, Gorgan, Iran
author
hossein
zarei
Assistant Professor, Department of Horticultural Science, Faculty of Agriculture, Gorgan University of
Agricultural Sciences and Natural Resources, Gorgan, Iran
author
alireza
movahedi naeini
Associate Professor, Department of Soil Science, Faculty of Agriculture, Gorgan University of Agricultural
Sciences and Natural Resources, Gorgan, Iran.
author
ghorban ali
roshani
Assistant Professor, Department of Soil Science, Agricultural Research Center of Golestan Province, Gorgan,
Iran.
author
text
article
2013
per
One of the most important factors in lawn establishment is the culture bed. In the present work, weevaluated the effect of some culture beds (1-leaf mold (LM), 2-rice husk (RH), 3-manure, 4-spentmushroom compost (SMC), 5-mixture of LM, RH and SMC (M 1), 6-mixture of LM, RH and M (M 2),with the ratio of 1:1:1 for both mixtures, along with 7-control treatment in three compactness levels (rollwith 36, 56 and 76 kg weights) on some growth factors of sport lawn during spring. Therefore, anexperiment carried out during 2008-9 in the research farm of Gorgan University of Agricultural Scienceand Natural Resources in strip plots design with three replications. According to obtained results, theinteractions of fertilizer and compactness treatments for some of the measured traits were significant. Thehighest and the lowest chlorophyll content and plant height in all three compactness levels were observedin M2 and control treatments, respectively. Furthermore, in all three compactness levels, the highest drymatter devoted to control treatment and the lowest one was observed in M2 and manure treatment. In caseof lawn coverage rate, density and greenness, the interaction of fertilizer and compactness treatments wasinsignificant and SMC and M2 showed the highest coverage rate and greenness respectively. Inconclusion, organic materials have to be considered as one of the important factors as a result of theirstructural effect on soil physicochemical and biological features.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
65
76
https://jci.ut.ac.ir/article_36387_49ec6fd6a2f89962e2acb09996da8985.pdf
dx.doi.org/10.22059/jci.2013.36387
Evaluation some almond genotypes under Karaj condition
Erfan
Sepahvand
M.Sc. Student, Department of Horticultural Science, Faculty of Agriculture, University of Guilan, Rasht, Iran
and researcher, Department of Horticultural Science, Faculty of Agriculture, University of Tehran, Karaj, Iran.
author
Ali
Momenpour
Ph.D. Student, Department of Horticultural Science, Faculty of Agriculture, University of Guilan, Rasht, Iran
author
Ali
Imani
Associate Prof, Department of Horticulture, Seeds and Plant Improvement Institute, Karaj, Iran
author
Mahmoud
Ghasemnejad
Associate Prof, Department of Horticultural Science, Faculty of Agriculture, University of Guilan, Rasht, Iran.
author
text
article
2013
per
This research was conducted to study some vegetative and reproductive traits as well as qualitative andquantitative characteristics and their correlation in 80 almond genotypes. Qualitative traits were studiedaccording to gulcan descriptor. Quantitative traits were analyzed as completely randomized design(CRD), with 12 replications. The results showed that genotypes had significant difference in fruit, nut,kernel weight and kernel to nut weight ratio. No169 genotype was very late blooming and had large sizeand moderate quality fruits. Fruit, nut and kernel weight in this genotype were 12.50, 4.75 and 1.28,respectively. Kernel of this genotype was sweet with low shriveling, which are important of consumeracceptance. The traits correlation showed that fruit, nut and kernel weight and size, had significantpositive correlation together. Also, kernel taste had significant negative correlation with pubescence,shriveling and color intensity of kernel. Results of cluster analysis showed that, in Euclidean distance of25, all genotypes were divided into two main branches. With decrease in the Euclidean distance from 25to 5, the genotypes were divided into eight main subclusters. Cluster analysis revealed that the traits oftree high and growth vigor, fruit, nut and kernel size and shell sofftness and hardness were the maincharacteristics separating the genotypes.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
77
101
https://jci.ut.ac.ir/article_36388_7efe66f89f8e3ab0412db203488800f7.pdf
dx.doi.org/10.22059/jci.2013.36388
Optimization of in vitro culture in Tetra, Nemaguard and GF677 clonal rootstocks
Maryam
Tatari
Researcher, Department of Horticulture, Seed and Plant Improvement Institute, Karaj, Iran
author
Seyed Asghar
Mousavi
Assistant Professor, Agricultural and Natural Resources Research Center, Shahrekord, Iran
author
text
article
2013
per
According to problems caused by application of non-uniform seedling rootstocks in stone fruit treesorchards, the use of uniform and consistent rootstocks with these trees is essential. For determination ofthe best culture medium, explants of apical and lateral buds of Tetra, Nemaguard and GF677 rootstockswere prepared. Explants were placed in modified MS, WPM and Knop media each containing 0.6 mg/lBAP and 0.01mg/l NAA in mid-Spring and after disinfection. This research was carried out as factorialexperiment in a completely randomized design with four replicates and four observations per eachreplication. Tetra, GF677 and Nemaguard rootstocks produced the highest of plantlet numberrespectively. Nemaguard rootstock did not show any proliferation in Knop medium and Nemaguardexplants showed chlorosis on this medium. This medium caused chlorosis in produced plantlets of Tetraexplants. Explants of every three rootstocks were produced the highest plantlet number and length in MSmodified medium. Therefore, combinations of plant growth regulators were evaluated in this medium.Three different combinations were evaluated. Among different combinations of plant growth regulators(0.8 and 1 mg/l BAP and 0.1 and 0.5 mg/l NAA), the highest plantlet number and length were producedin MS medium containing 0.6mg/l BAP and 0.01mg/l NAA. Increase of plant growth regulatorsconcentrations led to vitrification and callus production in GF677 rootstock. The highest root number androoting percent were achieved in modified MS medium containing 1 mg/l NAA and explants of Tetrarootstock produced the highest root number and length.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
103
115
https://jci.ut.ac.ir/article_36389_0982ee55e7b7cbbcc19e077a8c94245d.pdf
dx.doi.org/10.22059/jci.2013.36389
Nitrogen use efficiency, yield and some agronomic characteristics of maize under on-farm seed priming and times of nitrogen application
Ali
sarkhosh
M.Sc. student department of Agronomy and plant breeding, Faculty of Agriculture, Bu Ali Sina
University, Hamedan, Iran
author
Mohammad
Aboutalebian
Assistant Professor, Department of Agronomy and plant breeding, Faculty of Agriculture, Bu Ali Sina
University, Hamedan, Iran.
author
text
article
2013
per
To investigate the effect of on-farm seed priming and different times of nitrogen fertilizer application onmaize Sc 704, an experiment was conducted at Agricultural Research Station, Asadabad- Iran, in 2011 asa factorial in randomized complete block design with three replicates. The first factor was on-farm seedpriming in 3 levels (prime with tap water, prime with zinc solution and no primed. The second factor wasnitrogen application in 5 levels (without nitrogen application, all nitrogen applied at planting time, 2stages application, 3 stages application and 4 stages application. Results showed that, grain nitrogencontent was highest in zinc solution priming and 4 stages nitrogen application (1.6%). Maximum grainyield was achieved by triple nitrogen stages application and zinc solution priming combination (10796kg/ha) that increased about 77% to no-primed and no-nitrogen treatment. In this experiment, seed primingand splitting of nitrogen application time caused decrease in the harvest index. Priming increasedagronomic nitrogen efficiency, partial factor productivity of nitrogen and recovery efficiency of grainnitrogen 32.7, 19.6, 30% compare with no-primed treat respectively and triple stages nitrogen applicationincreased these indexes 117.6, 23.6, 450% respectively in compare with one stage application of nitrogenfertilizer.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
117
128
https://jci.ut.ac.ir/article_36390_57cd61ce6b423a44b634f03492d1c949.pdf
dx.doi.org/10.22059/jci.2013.36390
Comparison of yield and yield components of pinto bean promising lines in three regions of the Isfahan province
Ali Reza
Borjian
M.Sc. of Agronomy, Isfahan Agricultural Organization, Isfahan, Iran.
author
Amir hooshang
Jalali
Assistant Professor, Department of Seed and Plant Research, Agricultural and Natural Resources
Research Center of Isfahan, Isfahan, Iran
author
text
article
2013
per
Pulses crops with nitrogen fixation ability have a special place in the crop rotation. In order to comparethe agronomic characteristics of five promising lines of pinto beans with Sadri and local Khomeincultivars as control a study was conducted at 2011- 2012 cropping seasons, in three cities ofFereidoonshahr, Dehaghane and Semirom in Isfahan Province. Randomized complete block design withfour replications was used for the study. In Fereidoonshahr area, yields of KS21191, E9, and E10 hopefullines were respectively, 3035, 3412 and 3455 kg ha-1, without significantly different from Sadri controlcultivar, but were respectively 37, 21.8 and 20.3% less than Khomein local varieties. In Dehaghane area,yields of all hopeful lines were significantly less than both control cultivars. In Semirom region, hopefullines of E9 and E10, respectively, with yields of 2900 and 2720 kg ha-1 had equivalent yield with twocontrol varieties. Number of pods per plant and seeds per pod were the two major components thatexplain a significant part of the difference between the genotypes. Trend of harvest index change weresimilar in the two regions Dehaghane and Fereidoonshahr and Khomein local cultivars, respectively with42.8 and 38.8 HI percent, had the highest HI values. In Semirom region, harvest index for Sadri andKhomein cultivars and lines E9 and E10, were 37.1, 36.8, 35.8 and 36.5 percent respectively. Accordingto the results of this study, yield of E9 and E10 lines, in both Fereidoonshahr and Semirom regions, andyield of KS21191 line, only in Fereidoonshahr can be equal with the yield of control cultivar. Thepromising lines of this study were not appropriate for the Semirom area.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
129
140
https://jci.ut.ac.ir/article_36391_2e77a53a492bff4e34bf7156f0cd731d.pdf
dx.doi.org/10.22059/jci.2013.36391
Evaluation of effects of bio-fertilizers on some physiological and biochemical traits in soybean under water deficit condition
Avishan
Taherkhanchi
M.Sc. Student, Department of Agronomy and Crop Breeding Science, College of Aburaihan,
University of Tehran, Pakdsht, Iran
author
Gholam Ali
Akbari
Associate Professor, Department of Agronomy and Crop Breeding Science, College of Aburaihan,
University of Tehran, Pakdsht, Iran
author
Seyed Ali Mohammad
Modarres-Sanavy
Professor, Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
author
Majid
Ghorbani Javid
Assistant Professor, Department of Agronomy and Crop Breeding Sciences, College of Aburaihan,
University of Tehran, Pakdsht, Iran.
author
text
article
2013
per
To evaluate the effect of bio-fertilizers on physiological traits in soybean under water deficit condition, agreenhouse experiment was conducted in 2011, at faculty of Agriculture, Tarbiat Modares University,using a factorial design based on RCBD with three replications. The experimental treatments weredifferent irrigation regimes including non-stress (40% water depletion), moderate stress (60% waterdepletion) and severe stress (80% water depletion) and four methods for application of mixed ofAzotobacter and Azosperilium on plant or seed. Results showed that the highest yield and yieldcomponents were observed in non-stress and spraying of bacteria on leaf + seed inoculation conditions.The highest catalase enzyme activity was observed in moderate stress and seed inoculation + spraying ofbacteria on leaf condition. In addition, the highest proline content was showed in severe stress and nonbacterialinoculation and was three times more than the minimum treatment. The results generallyindicated that using bio-fertilizer in moderate stress can reduce the destructive effects of stress anddecrease of yield, but severe stress led to increase of cost of production and could not effect on increasingof yield significantly.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
141
153
https://jci.ut.ac.ir/article_36392_749506ab1ada2f7eb70e7ecee574fcae.pdf
dx.doi.org/10.22059/jci.2013.36392
Effects of salinity and temperature on germination of Hyssop
Ali Akbar
Ghasemi
M.Sc. Student, Department of Plant Breeding, Payam Noor University, Mashhad, Iran.
author
Hassan
Hamidi
M.Sc., Department of Seed and Plant Research, Agricultural and Natural Resources Research
Center of Khorasan Razavi, Mashhad, Iran
author
Jaber
Arves
M.Sc. Student, Department of Plant Breeding, Payam Noor University, Mashhad, Iran
author
Ali
Masomi
Assistant Professor, Department of Agriculture, Payam Noor University, Mashhad, Iran
author
text
article
2013
per
In order to study the effects of salinity stress (made by sodium chloride and calcium chloride) andtemperature interaction on germination characteristics of hyssopus officinalis, an experiment was conducton factorial basis and in a completely randomized design with three replication at laboratory of KhorasanRazavi Agriclultural and Natural Resource Research Center in 2010. In this experiment, different osmoticpotentials (0, -3, -6 and -9 bar) and also different temperatures (20, 25, 30 and 35 centigrade degree) wereused. In this research, the percentage and rate of germination, the length of radicle and plumule, lengthratio of radicle and plumule and seed vigor characteristics has been measured. The results showed a verysignificant effect of salt levels, osmotic potential and temperature on the above characteristics. The meancomparison for percentage and rate of germination characteristics showed that calcium chloride with 63%and 7.11 respectively had a significant difference with sodium chloride with 50% and 1.70. The highestpercent and rate of germination were seen in -3 bar osmotic potential made by calcium chloride in 25centigrade degree. The highest length of radicle and vigor was in -3 bar osmotic potential made bycalcium chloride in 20 centigrade degree. The highest length of plumule was seen in both sodium chlorideand calcium chloride in 0 bar (control) osmotic potential and 30 centigrade degree. Generally while theosmotic potential increases and temperature goes up to 30 centigrade degree all the characteristics insodium chloride and calcium chloride had a remarkable reduction. Also increment of high temperatureshad more harmful effects in NaCl than CaCl2. Study the Hyssop plant response to different levels ofsalinity and temperature on germination stage, it will assist farmers in establishment and desirableproduction.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
155
169
https://jci.ut.ac.ir/article_36393_694d2d490281b843ee7b89626431bf98.pdf
dx.doi.org/10.22059/jci.2013.36393
Effect of benzyladenine and eliminate of winter irrigation on tree and nut characteristics of pistachio cv. Kalleh Ghoochi
Majid
Esmaeilizadeh
Assistant Professor, Department of Horticultural Science, Faculty of Agriculture, Vali-e-Asr
University, Rafsanjan, Iran.
author
mohammadreza
pourrajabi nejad
Former M.Sc. Student, Department of Horticultural Science, Faculty of Agriculture, Vali-e-
Asr University, Rafsanjan, Iran
author
Hamid Reza
Karimi
Assistant Professor, Department of Horticultural Science, Faculty of Agriculture, Vali-e-Asr
University, Rafsanjan, Iran.
author
Aliakbar
Mohammadi Mirik
Assistant Professor, Department of Agronomy & Crop Breeding, Faculty of Agriculture, Valie-
Asr University, Rafsanjan, Iran.
author
text
article
2013
per
To investigative the effect of benzyladenine and eliminate of irrigation in winter on vegetative growthparameters and chemical composition of tree and nut quantitative characteristics of pistachio trees cv.Kaleh-Ghoochi, an experiment was done in 2010 to 2012 years. In this study, the effect of two irrigationregimes includes irrigation and non-irrigation in winter combined with three levels of benzyladenine (0,20 and 40 mg L-1) was investigated. The experiment design was randomized complete block design withthree replications. The data obtained from both experiment analyzed as the combined analysis. Irrigationtreatment was done as similar as common irrigation program in orchard, and in non- irrigation treatment,there wasn’t irrigation from January to April in both years. Application of benzyladenine treatment wasdone at inflorescence buds swollen time. The results showed, 40 mg L-1 benzyladenine had the mosteffective on vegetative growth of trees compared with the other treatments. Also benzyladeninetreatments compared with the control had significant increase in the ecophysiological parameters; leavesbiochemical compounds contents, leaves nutrient elements concentration and caused reducing inpercentage of early splitting fruit and bud abscission significantly. Also, results showed that eliminationof irrigation in winter had no significant effect on the mentioned parameters. Thus, based on the results ofthis study it seems that elimination of winter irrigation doesn’t have any effect on vegetative growth anddevelopment of pistachio tree, but application of BA in late winter has positive effects.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
171
186
https://jci.ut.ac.ir/article_36394_27ced050c737151336fb3ca29e5563ab.pdf
dx.doi.org/10.22059/jci.2013.36394
Evaluation of germination traits and mechanical damage to soybean seed during processing, under standard germination, electrical conductivity and accelerated aging tests
Hossein
Sadeghi
Faculty member of Seed and Plant Certification and Registration Research Institute, Karaj, Iran
author
Babak
Mirshekarnejhad
Alumni of Agronomy, College of Aburaihan, University of Tehran, Pakdasht, Iran
author
Saman
Sheidaei
M.Sc. of Agronomy, Seed and Plant Certification and Registration Research Institute, Karaj, Iran
author
Bita
Oskouei
M.Sc. of Agronomy, Seed and Plant Certification and Registration Research Institute, Karaj, Iran
author
text
article
2013
per
To evaluate the germination traits and mechanical damage of soybean seed during processing stages, anexperiment was conducted in a factorial experiment based on completely randomized design with 18treatments at Mazandaran province (Sari) in 2009-10. The experiment factors included different seedprocessing stages (before cleaning, after elevator, after pre cleaning, after cleaning, after drying and afterpackaging) and three cultivars (‘Telar’, ‘Sari’ and ‘Line 033’). Results showed that cultivar 033 had thehighest germination percentage (83.5%), germination percentage after accelerated aging (71.6%) andseedling vigor index (12.76) and lowest electrical conductivity (41.73μScm-1gr-1) and it was noticed that‘Telar’ cultivar had the highest cracked seed percentage (10.38). Effect of different seed processing stepswas significant on all traits. So that, the lowest germination percentage (78.36%), highest rate of brokenseed percentage (16.72%) and highest cracked seed percentage (13.55%) was obtained after elevator step.Interaction effect of cultivar × different processing steps were not significant on all traits, but meanscomparison showed that the highest (86.9%) was obtained in 033 cultivar after drying step and lowest(77.8%) germination percentage was attained from ‘Telar’ cultivar after elevator.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
187
199
https://jci.ut.ac.ir/article_36395_3f09ba252d4a1bf111e715de7bb2f204.pdf
dx.doi.org/10.22059/jci.2013.36395
Effect of planting date and final irrigation on cotton yield at Garmsar condition
ali
naderi arefi
Agricultural Research Center of Semnan Province, Garmsar station, Garmsar, Iran
author
mohammad
abedini esfahlani
Agricultural Research Center of Semnan Province, Shahrood, Iran.
author
text
article
2013
per
To determine the best planting date and irrigation schedule in a cotton field (Gossypium hirsutum var.Varamin) in Garmsar region an experiment was conducted in 2011. The experimental design was splitplot based on randomized complete block with three replications. Three irrigation termination dates (2011Sep 11th, 2011 Sep 21st and 2011 Oct 2nd) arranged in main plots as main factor and three planting dates(2011 May 10th, 2011 May 25th and 2011 Jun 9th) located in sub plots. During the growth season,phonological events such as germination, date of flowering, date of boll formation, boll opening, maturityand after harvest attributes such as plant tall, number of boll per plant and weight of boll were recorded.The result showed that effect of planting date on seed cotton yield, plant/m2, boll per plant and plantsheight was significant but boll weight was not affected significantly by this treatment. First planting dateand first irrigation termination date with 7729 kg/ha of seed cotton yield is the best treatment. Because ofstable environmental conditions in years of experiment, the effect of these treatments on studiedtreatments is not significant. Totally, two first planting dates has the higher yield than third and first dateof irrigation termination is the best because of decreasing the number of irrigation.
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
201
211
https://jci.ut.ac.ir/article_36396_f6f9fd386ab54c260b9537ab7544cea9.pdf
dx.doi.org/10.22059/jci.2013.36396
English Abstracts
text
article
2013
per
Journal of Crops Improvement
University of Tehran, College of Abureyhan
2008-8337
15
v.
3
no.
2013
1
15
https://jci.ut.ac.ir/article_36397_b80809beeef51929c5ad84d65d51ff80.pdf
dx.doi.org/10.22059/jci.2013.36397