shakiba shahmoradi
Abstract
Genetic resources of Iranian rye have a high adaptation and diversity which provides the required forage in diverse climates of our country. Utilization of these resources is important in the development of new varieties. In this study, nine rye ecotypes, along with commercial cultivars of rye, barley, ...
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Genetic resources of Iranian rye have a high adaptation and diversity which provides the required forage in diverse climates of our country. Utilization of these resources is important in the development of new varieties. In this study, nine rye ecotypes, along with commercial cultivars of rye, barley, and triticale have been evaluated in three growing seasons 2014-15, 2016-17 and 2017-18 in research field of Seed and Plant Improvement Institute. The research is carried out in three separate experiments in a randomized complete block design with three replications. The study of phenological, morphological, and agronomic traits show that interaction of year and ecotype is significant for all traits, except for days to flowering. Based on the dry forage yield, Ecotype 119 has had the highest mean and Triticale cultivar, the lowest (5.68 and 4.14 t/ha respectively). Correlation coefficeint between grain yield, forage yield, 1000 kernel weight, and flag leaf area is significant. Comparison of ADF percentage in the forage show that these traits are significantly lower in ecotype 119 and barley cultivar Valfajr than other samples (60% and 56%, respectively). Based on the average of fiber in forage, Ecotype 119 has had the lowest average (33%). It seems that Ecotype 119, in addition to high potential for forage production, also has good forage quality.
Mohammad Reza Labbafi; Faribi Meighani; Hamideh Khalaj; Mohammad Ali Baghestani Meibodi; Iraj Allah dadi; Ali Mehrafarin
Volume 12, Issue 1 , May 2010, , Pages 49-57
Abstract
Equal-compartment-agar method was used for studying the effect of allelopathic interaction of wheat and some problematic weeds in wheat. This experiment was accomplished as factorial in complete randomized design with 3 replications in weed research department of Crop Protection Research Institute, Tehran, ...
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Equal-compartment-agar method was used for studying the effect of allelopathic interaction of wheat and some problematic weeds in wheat. This experiment was accomplished as factorial in complete randomized design with 3 replications in weed research department of Crop Protection Research Institute, Tehran, Iran during 2006. The treatments were Niknejad cultivar in 4 densities 0, 8, 16 and 24 seedlings in glass tube and wheat weed spices: rye, oat, field bindweed and hairy vetch. The results indicated that the length of weeds was affected by wheat exudates more than their dry weight and similarly, rootlet was affected more than hypocotyl. In general growth of monocot species was decreased by wheat more than that of dicot species. Except hypocotyl length and dry weight, the increase in wheat density added the inhibition on weeds. Weed species had significant effect only on wheat hypocoty length and dry weight. mean while, oat was shown to be the most inhibitor. Except seedling hypocotyl length and dry weight, treatment of 16 wheat seedling density, caused the increase in wheat growth and dry weight.