INVESTIGATION OF PHONOLOGICAL STAGES AND GRAIN YIELD OF MID MATURITY WHEAT GENOTYPES IN RESPONSE TO DIFFERENT GROWTH DEGREE - DAY (GDD) ACCUMULATION IN AHVAZ CLIMATE

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AMINI AFAGH; NADERI AHMAD; LAK ZADEH IRAJ

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Journal: CROP PHYSIOLOGY Year:2011 | Volume:3 | Issue:10 Page(s): 121-132

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Information Journal Paper

Title

INVESTIGATION OF PHONOLOGICAL STAGES AND GRAIN YIELD OF MID MATURITY WHEAT GENOTYPES IN RESPONSE TO DIFFERENT GROWTH DEGREE - DAY (GDD) ACCUMULATION IN AHVAZ CLIMATE

Author(s)

AMINI AFAGH | NADERI AHMAD | LAK ZADEH IRAJ | Issue Writer Certificate

Keywords

WHEATQ3

PHONOLOGICAL STAGESQ2

GROWTH DEGREE-DAY ACCUMULATIONQ2

GRAIN YIELDQ2

Abstract

In order to study the PHONOLOGICAL STAGES and GRAIN YIELD of mid maturity WHEAT genotypes in response to different growth degree - day (GDD) accumulation, this field research was carried out in split plots experiment using randomized complete blocks design with three repetitions at Agricultural Research Station in Ahvaz in 2008-2009 cropping season. Main plot was consisted of three planting date including Nov.11, Nov.21 and Des.1 and sub plot was including 10 mid maturity WHEAT genotypes consisted of chamran cultivar and lines: S-80-18, S-83-3, S-83-4, S-84-14, SS-83-3and D-79-15DH-86-12, DH-86-15, DH -86-17. The results showed that the planting date effect was significant for GROWTH DEGREE-DAY ACCUMULATION (GDD) from planting date to booting, heading, pollination, and physiological maturity. Genotypes difference and interaction of planting date and genotype were significant for mentioned traits. The highest and the lowest growth degree-day from planting to booting, heading, pollination and physiological maturity were obtained on Nov.11 and Nov.21, respectively. The effect of planting date was significant for GRAIN YIELD, biological yield and harvest index. The highest GRAIN YIELD with an average 5260 kg.ha-1 belonged to Nov.11 planting date. Among genotypes, the highest GRAIN YIELD obtained from line DH-86-15 with 5411 kg.ha-1. In interaction of planting date and genotype study, thehighest GRAIN YIELD with 5739 kg.ha-1 was obtained from line: DH-86-15 in the first planting date. In attention to the significant correlation of GRAIN YIELD with Growth degree -day (GDD) accumulation, it seems that the regulation of planting date to collect the thermal unit is very important for completing growth and development stages.

Cites

REACTION OF PHONOLOGICAL CHARACTERISTICS OF GRANULAR CORN HYBRIDS TO DROUGHT TENSION

References

بررسی اثر تنش گرما بر صفات زراعی، عملکرد دانه و اجزای آن در بیست و پنج ژنوتیپ گندم نان

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APA: Copy

AMINI, AFAGH, NADERI, AHMAD, & LAK ZADEH, IRAJ. (2011). INVESTIGATION OF PHONOLOGICAL STAGES AND GRAIN YIELD OF MID MATURITY WHEAT GENOTYPES IN RESPONSE TO DIFFERENT GROWTH DEGREE - DAY (GDD) ACCUMULATION IN AHVAZ CLIMATE. CROP PHYSIOLOGY, 3(10), 121-132. SID. https://sid.ir/paper/174376/en

Vancouver: Copy

AMINI AFAGH, NADERI AHMAD, LAK ZADEH IRAJ. INVESTIGATION OF PHONOLOGICAL STAGES AND GRAIN YIELD OF MID MATURITY WHEAT GENOTYPES IN RESPONSE TO DIFFERENT GROWTH DEGREE - DAY (GDD) ACCUMULATION IN AHVAZ CLIMATE. CROP PHYSIOLOGY[Internet]. 2011;3(10):121-132. Available from: https://sid.ir/paper/174376/en

IEEE: Copy

AFAGH AMINI, AHMAD NADERI, and IRAJ LAK ZADEH, “INVESTIGATION OF PHONOLOGICAL STAGES AND GRAIN YIELD OF MID MATURITY WHEAT GENOTYPES IN RESPONSE TO DIFFERENT GROWTH DEGREE - DAY (GDD) ACCUMULATION IN AHVAZ CLIMATE,” CROP PHYSIOLOGY, vol. 3, no. 10, pp. 121–132, 2011, [Online]. Available: https://sid.ir/paper/174376/en

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