YIELD REDUCTION COMPENSATE IN LATE SOWING DATE IN WHEAT

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MOMTAZY F.

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Paper Information

Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2009 | Volume:1 | Issue:2 Page(s): 49-63

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Title

YIELD REDUCTION COMPENSATE IN LATE SOWING DATE IN WHEAT

Author(s)

MOMTAZY F. | Issue Writer Certificate

Keywords

YIELD REDUCTIONQ2

GROWTHQ2

DEVELOPMENTQ2

YIELD COMPONENTSQ2

Abstract

To achieve higher grain yield in wheat the coincidence of vegetative and reproductive stages of GROWTH with the suitable environmental conditions via selecting appropriate planting date and use of desirable density is crucial. The experiment was conducted during 2001/2002 and 2002/2003 growing season using a spilit plot experiment with four replications. Main plots consisted of three planting dates (November 6th, December 6th and January 6th) and four planting densities (150, 250, 350 and 450 plants/m2) were sub plots. The results showed that planting date had significant effects on grain yield, number of grains per spike, number of spikes per m2 and 1000 grain weight, so the highest grain yield was achieved at second planting date and delay in sowing was associated with significant decrease in grain yield. Number of spike per m2 and 1000 seed weight decreased by delay in sowing. The number of spikes per m2, grains per spike, 1000 grain weight, plant height fnd HI were significantly affected by planting densities, so the highest number of spikes per m2 was obtained from the highest planting density (i.e.450 plants/m2), however, the highest number of grains per spike and mean grain weight "ere obtained from the lowest planting density (i.e.150 plants/m2). With increasing plant density, the number of spikes per m2 was the only yield component that increased in all planting dates. Overall, the results revealed that by incrsasing plant densisty in delayed sowing date to some extend grain yield can be comensated.

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APA: Copy

MOMTAZY, F.. (2009). YIELD REDUCTION COMPENSATE IN LATE SOWING DATE IN WHEAT. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 1(2), 49-63. SID. https://sid.ir/paper/188563/en

Vancouver: Copy

MOMTAZY F.. YIELD REDUCTION COMPENSATE IN LATE SOWING DATE IN WHEAT. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2009;1(2):49-63. Available from: https://sid.ir/paper/188563/en

IEEE: Copy

F. MOMTAZY, “YIELD REDUCTION COMPENSATE IN LATE SOWING DATE IN WHEAT,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 1, no. 2, pp. 49–63, 2009, [Online]. Available: https://sid.ir/paper/188563/en

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