Volume 12, Issue 45 (fall 2008)
jwss 2008, 12(45): 513-523 |
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Akbari G A, Jabbari H, Daneshian J, Alahdadi I, Shahbazian N. The Effect of Limited Irrigation on Seed Physical Characteristics in Sunflower Hybrids. jwss 2008; 12 (45) :513-523
URL: http://jstnar.iut.ac.ir/article-1-937-en.html
URL: http://jstnar.iut.ac.ir/article-1-937-en.html
Abstract: (29272 Views)
In order to investigate the limited irrigation impact on physical characteristics of seed in nine sunflower hybrids, three 3-replicate field experiments RCBC were conducted under three irrigation regimes (irrigation after 60, 120 and 180 mm cumulative evaporation from class A evaporation pan, respectively) at the research field of Seed and Plant Improvement Institute in Karaj, Iran. The results showed that the Maximum length, width and seed diameter were obtained from irrigation after 60 mm cumulative evaporation from pan, and irrigations after 120 and 180 mm evaporation caused to decrease the length by 11% and 16%, width by 21% and 26% and seed diameter by 22% and 28%, respectively. There fore the seed diameter in comparison with width and seed length was most susceptible to limited irrigations levels. The Maximum length was seen in hybrid of A74×R95, and the maximum width, and seed diameter were observed in hybrids of Allstar. Also, A74×R95 under irrigations after 60 and 120 mm evaporation and Azargol under irrigation after 180 mm evaporation had the highest seed weight.
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