SOWING DATES EFFECT ON YIELD AND GROWTH INDEXES OF RICE CULTIVARS IN NORTHERN KHOZESTAN

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LIMOCHI K.; SIADAT A.; GILANI A.A.

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Journal: Crop Production Year:2013 | Volume:6 | Issue:2 Page(s): 167-184

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Information Journal Paper

Title

SOWING DATES EFFECT ON YIELD AND GROWTH INDEXES OF RICE CULTIVARS IN NORTHERN KHOZESTAN

Author(s)

LIMOCHI K. | SIADAT A. | GILANI A.A. | Issue Writer Certificate

Keywords

GROWTH INDICESQ2

PLANTING DATESQ3

RICEQ2

YIELDQ2

Abstract

In order to evaluate the effects of different sowing dates on leaf area index, dry biomass weight and panicle dry weight and also YIELD of RICE cultivars, harvest index, fertility rate, and 1000-grain weight an experiment was as spilt plots arrangement based on RCBD design with three replications for one year in the north region of Khozestan. Main plot factor was the date of planting at three levels (26 May, 10 Jun, 26 Jun) and the sub plot was three cultivars of red Amber (long and short grains) and Champa. The results of analysis of variance indicated that there was a significant difference between different sowing dates and cultivars at all traits at %1 level. Except panicule dry weight and fertility rate (difference among different PLANTING DATES was significant at 5% level), other properties did not have any significant difference in the interaction of both factors. The highest leaf area index (LAI) and biomass dry weight was related to the first sowing date and the highest grain YIELD and panicle dry weight was related to the third sowing date. Evaluation of LAI and dry weight trend showed that with increasing heat stress at 26 May sowing date they reached the maximum growth in a shorter period of time; of course, after that, the leaf area index was rapidly reduced, while panicle weight particularly on the last two weeks of the last sowing date had the minimum increase due to infertility of more seeds in this time span. Among the cultivars, short-leg Amber had the minimum changes and Champa had the maximum YIELD with an average of 3795.4 kg/ha.

Cites

THE EFFECT OF DROUGHT TENSION AFTER POLLINATION ON SOME PHYSIOLOGICAL CHARACTERISTICS AND GRAIN QUALITY OF DIFFERENT WHEAT GENOTYPES

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APA: Copy

LIMOCHI, K., SIADAT, A., & GILANI, A.A.. (2013). SOWING DATES EFFECT ON YIELD AND GROWTH INDEXES OF RICE CULTIVARS IN NORTHERN KHOZESTAN . ELECTRONIC JOURNAL OF CROP PRODUCTION, 6(2), 167-184. SID. https://sid.ir/paper/135071/en

Vancouver: Copy

LIMOCHI K., SIADAT A., GILANI A.A.. SOWING DATES EFFECT ON YIELD AND GROWTH INDEXES OF RICE CULTIVARS IN NORTHERN KHOZESTAN . ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2013;6(2):167-184. Available from: https://sid.ir/paper/135071/en

IEEE: Copy

K. LIMOCHI, A. SIADAT, and A.A. GILANI, “SOWING DATES EFFECT ON YIELD AND GROWTH INDEXES OF RICE CULTIVARS IN NORTHERN KHOZESTAN ,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 6, no. 2, pp. 167–184, 2013, [Online]. Available: https://sid.ir/paper/135071/en

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