STUDY ON THE GRAIN-FILLING RATE AND GRAIN-FILLING PERIOD OF WHEAT GENOTYPES UNDER RAINFED CONDITIONS IN THE KOHDASHT OF LORESTAN

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HOSSEINPOUR TAHMASB; RAFIEI M.; SIADAT A.A.; MAMGBANI R.; FATHEE GH.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2007 | Volume:13 | Issue:SUPPLEMENT (SPECIAL ISSUE ANIMAL SCIENCE) Page(s): 66-77

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Title

STUDY ON THE GRAIN-FILLING RATE AND GRAIN-FILLING PERIOD OF WHEAT GENOTYPES UNDER RAINFED CONDITIONS IN THE KOHDASHT OF LORESTAN

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Keywords

WHEATQ3

RAIN-FEDQ3

GRAIN FILLING RATEQ3

GRAIN-FILLING PERIODQ3

Abstract

In order to study two grains filling characteristics (specific effective grain filling period and effective GRAIN FILLING RATE) to improvement of grain yield this study was conducted during 1999 and 2000 growing season in Koohdasht dry land Research Station in Lorestan Province. An experiment using complete randomized block design which ten RAIN-FED WHEAT (Triticum aestivum L.) genotyps treatments with four replications was used. Also, to determine correlation coefficients between triats, parameters were measured consist of grain yield, 1000 Kernel weight, harvest index, biological yield, straw yield, effective GRAIN FILLING RATE, test weight. Results showed that a significant positive correlation between grain yield with 1000 Kernel weight, Harvest index, biological yield, straw yield, effective GRAIN FILLING RATE test weight and with number of days, to steming was a negative significant correlation. Results of the growth grain process indicated that overall, at the end the linear of (Tr 8010200, Zagross) No. 4 and No.10 genotypes were the most final grain weight (40mg) and genotypes (Pik/opatacm, Maya 74 "s") No. 2 and No. 7 were the least final weight grain with 32 mg. Effective grain filling period were among genotypes 18.39 to 25.03 days. The most effective GRAIN-FILLING PERIOD was 25 days related to No.10 (Zagross) genotype and the least No. 7 (Maya 74 "s") genotype with 19 days. Effective GRAIN FILLING RATE among genotypes were 1.43 to 1.74 mg.days-1. The most and the least effective grain-filling rate was for No. 2 (pik/opata) and NoA (Tr8010200) respectively. Between effective GRAIN FILLING RATE and period were significant negative correlation (r=-46 %**).

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APA: Copy

HOSSEINPOUR, TAHMASB, RAFIEI, M., SIADAT, A.A., MAMGBANI, R., & FATHEE, GH.. (2007). STUDY ON THE GRAIN-FILLING RATE AND GRAIN-FILLING PERIOD OF WHEAT GENOTYPES UNDER RAINFED CONDITIONS IN THE KOHDASHT OF LORESTAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(SUPPLEMENT (SPECIAL ISSUE ANIMAL SCIENCE)), 66-77. SID. https://sid.ir/paper/9665/en

Vancouver: Copy

HOSSEINPOUR TAHMASB, RAFIEI M., SIADAT A.A., MAMGBANI R., FATHEE GH.. STUDY ON THE GRAIN-FILLING RATE AND GRAIN-FILLING PERIOD OF WHEAT GENOTYPES UNDER RAINFED CONDITIONS IN THE KOHDASHT OF LORESTAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2007;13(SUPPLEMENT (SPECIAL ISSUE ANIMAL SCIENCE)):66-77. Available from: https://sid.ir/paper/9665/en

IEEE: Copy

TAHMASB HOSSEINPOUR, M. RAFIEI, A.A. SIADAT, R. MAMGBANI, and GH. FATHEE, “STUDY ON THE GRAIN-FILLING RATE AND GRAIN-FILLING PERIOD OF WHEAT GENOTYPES UNDER RAINFED CONDITIONS IN THE KOHDASHT OF LORESTAN,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. SUPPLEMENT (SPECIAL ISSUE ANIMAL SCIENCE), pp. 66–77, 2007, [Online]. Available: https://sid.ir/paper/9665/en

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