EVALUATE THE RESPONSE OF GROWTH STAGES AND SOME YIELD DEPENDANT CHARACTERISTICS OF SUNFLOWER HYBRIDS TO REMOVING LEAF AND SEED STRESS IN DIFFERENT PLANT DENSITIES

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AFSHARI BEHBAHANI ZADEH S.; AKBARI G.A.; IRANNEJAD H.; FARROKHI E.; ZAMAN S.

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY Year:2012 | Volume:3 | Issue:4 Page(s): 280-295

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Title

EVALUATE THE RESPONSE OF GROWTH STAGES AND SOME YIELD DEPENDANT CHARACTERISTICS OF SUNFLOWER HYBRIDS TO REMOVING LEAF AND SEED STRESS IN DIFFERENT PLANT DENSITIES

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Keywords

SUNFLOWERQ2

PLANT DENSITYQ3

REMOVING LEAF AND SEED STRESSQ2

SEED FILLING PERIODQ2

GRAIN YIELDQ2

OIL PERCENTQ2

Abstract

In order to evaluate REMOVING LEAF AND SEED STRESS in different plant densities on growth stages and its relation to yield of SUNFLOWER hybrids, an experiment was conducted in factorial split plot based on RCBD with three replications in 2009 at Aboureihan research farm of university of Tehran. Azargol and new Iranian hybrid SHF 81-90 and three plant densities 60000 80000 and 100000 plants/ha as main plots and five level of removing leaf and seed (removed 50% lower leaves, removed 50% upper leaves, removed 50% seeds, removed 25% seeds and control treatments were sub plots. The results indicated that effect of removing leaf and seed treatments was significant on reproductive period, SEED FILLING PERIOD, growth period, seed yield in head, dry weight of plant, dry weight of head with seeds, productivity effort, OIL PERCENT and 1000 seed weight at 1% probability level. Interactions between treatments on yield dependant characteristics were significant at 1% probability level. Also correlation between SEED FILLING PERIOD with dry weight of head with seeds (r=+0.636), productivity effort (r=+0.714) and 1000 seed weight (r=+0.799) was positive and significant. The highest positive and significant correlation was observed between dry weight of head with seeds and dry weight of plant (r=+0.965). By removing leaf in different plant densities, because of reduction in produce photosynthetic materials, period of phenological stages decreased and yield reduced severely.

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APA: Copy

AFSHARI BEHBAHANI ZADEH, S., AKBARI, G.A., IRANNEJAD, H., FARROKHI, E., & ZAMAN, S.. (2012). EVALUATE THE RESPONSE OF GROWTH STAGES AND SOME YIELD DEPENDANT CHARACTERISTICS OF SUNFLOWER HYBRIDS TO REMOVING LEAF AND SEED STRESS IN DIFFERENT PLANT DENSITIES. JOURNAL OF CROP ECOPHYSIOLOGY, 3(4), 280-295. SID. https://sid.ir/paper/176396/en

Vancouver: Copy

AFSHARI BEHBAHANI ZADEH S., AKBARI G.A., IRANNEJAD H., FARROKHI E., ZAMAN S.. EVALUATE THE RESPONSE OF GROWTH STAGES AND SOME YIELD DEPENDANT CHARACTERISTICS OF SUNFLOWER HYBRIDS TO REMOVING LEAF AND SEED STRESS IN DIFFERENT PLANT DENSITIES. JOURNAL OF CROP ECOPHYSIOLOGY[Internet]. 2012;3(4):280-295. Available from: https://sid.ir/paper/176396/en

IEEE: Copy

S. AFSHARI BEHBAHANI ZADEH, G.A. AKBARI, H. IRANNEJAD, E. FARROKHI, and S. ZAMAN, “EVALUATE THE RESPONSE OF GROWTH STAGES AND SOME YIELD DEPENDANT CHARACTERISTICS OF SUNFLOWER HYBRIDS TO REMOVING LEAF AND SEED STRESS IN DIFFERENT PLANT DENSITIES,” JOURNAL OF CROP ECOPHYSIOLOGY, vol. 3, no. 4, pp. 280–295, 2012, [Online]. Available: https://sid.ir/paper/176396/en

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