Effect of Ca, Zn and B applications and harvest time on fruits polyphenol oxidase (PPO) activity in two Asian pear cultivars during storage

Kazem Arzani; Hassan Khoshghalb; Mohamad Jafar Malakouti; Mohsen Barzegar

Volume 12, Issue 2 , November 2010, Pages 1-9

  The effect of Ca, Zn and B foliar application (five g l-1) and their mixed applications as well as two harvest dates (1st and 15st of August) on PPO activity of two commercial Asian pears (‘KS’9 and ‘KS’13) fruits at the time of harvest and during storage were investigated. Results ...  Read More

Study the effects of temperature and GR60 concentration on seed germination of two broomrape speicies and their growth in presence of tomato and tobacco

Mohammad Ali Baghestani Meibodi; Manouchehr Jam nejad; Mahdi Mainbashi Moeini; Faribi Meighani

Volume 12, Issue 2 , November 2010, Pages 11-23

  In order to study the effect of environment temperature and GR60 concentration on seed germination and growth of Orobanche aegyptiaca and Orobanche cernua, two experiments were conducted under controlled conditions in Weed Research department of Iranian Research Institute of Plant Protection in 2008. ...  Read More

Effect of Co2 enrichment on leaf anatomy in marigold, floss flower and blanket flower

Mahmoud Shoor; Yahya Selahvarzi; Sahar Bostani

Volume 12, Issue 2 , November 2010, Pages 25-35

  To evaluate the effect of high Co2 concentration on three ornamental plants belong to Asteraceae family, all with different morphological characteristics, namely: Marigold (compound leaves), Floss flower (opposite leaves) and Blanket flower (rosette leaves), an experiment was conducted in 2007 at Ferdosi ...  Read More

Reduction of drought stress effects on yield and yield components of grain corn using mixed biofertilizers and phosphorus

Mehdi Zarrabi; Iraj Allah dadi; Gholam Abbas Akbari; Hamid Iran najad; Gholam Ali Akbari

Volume 12, Issue 2 , November 2010, Pages 37-50

  To study the seprate and combined effects of phosphorus fertilizer, Phosphate-solubilizing bacteria and mycorrhizal fungus on reducing drought stress damages of grain corn (SC704) during its vegetative stages under field conditions, an experiment was conducted as split plot based on RCBD with three replications ...  Read More

The effect of seed priming on germination and grain yield characteristics of wheat cultivars

Ali Reza Eyvazi; Rasoul Tajaddin Kokiae

Volume 12, Issue 2 , November 2010, Pages 51-62

  Delay in planting and low precipitation in wheat (Triticum aestivum L.) farming is the problem in Western Azerbaijan province - Iran. In order to evaluate the effects of seed priming an experiment was conducted under laboratory, green house and field conditions in 2006-7. The experiment was arranged ...  Read More

Evaluation of drought stress effect at terminal growth stage on quantitative and qualitative yield of rapeseed cultivars

Masoumeh Naeimi; Gholam Ali Akbari; Amir Hossein Shirani rad; Seyed Ali Mohammad Modarres-Sanavy; Seyed Ahmad Sadat nouri

Volume 12, Issue 2 , November 2010, Pages 63-71

  To evaluate the drought stress effect at terminal growth stage on yield of 12 rapeseed cultivars, an experiment was conducted with split-plot arrangement based on randomized complete block design with four replications at experimental field of Seed and Plant Improvement Institute, Karaj-Iran during 2005-06. ...  Read More

Factors affecting germination of somatic embryos of Persian walnut and their conversion to plantlets

Kourosh Vahdati; Hassan Bahrami Sarmandi; Siamak Kalantari

Volume 12, Issue 2 , November 2010, Pages 73-82

  Somatic embryos which were derived from immature cotyledons of a Persian walnut genotype had been grown on DKW medium supplemented with gelrite 0.3% and ABA (2 mg l-1). For maturation, somatic embryos were treated with chilling pre-treatment (one month in dark at (3-4C), different desiccation methods ...  Read More