STUDY OF SOME MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERISTICS AFFECTING GRAIN YIELD AND YIELD COMPONENTS IN BREAD WHEAT GENOTYPES UNDER REDUCED IRRIGATION

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HOSSEINPOUR TAHMASB; SIADAT SEYED ATA ELAH; MAMAGHANI R.; RAFIEI M.

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Journal: Iranian Journal of Crop Sciences Year:2003 | Volume:5 | Issue:1 Page(s): 23-36

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Title

STUDY OF SOME MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERISTICS AFFECTING GRAIN YIELD AND YIELD COMPONENTS IN BREAD WHEAT GENOTYPES UNDER REDUCED IRRIGATION

Author(s)

HOSSEINPOUR TAHMASB | SIADAT SEYED ATA ELAH | MAMAGHANI R. | RAFIEI M. | Issue Writer Certificate

Keywords

BREAD WHEATQ3

MORPHOPHYSIOLOGICAL INDICESQ3

TDMQ2

LAL CGRQ2

PHENOLOGYQ2

GDDQ3

Abstract

In order to determine the most important morphological and physiological traits associated with wheat grain yield. The study was conducted during 1999 and 2000 growing season in Koohdasht, with 10 spring BREAD WHEAT (Triticum aestivum L.) genotypes. A Complete Randomized Block Design with four replications was used. The results showed that varieties were different in grain yield, straw yield, biological yield, spike weight, 1000 kerna1 weight and GDD needed to complete their phenological stages. However, there was significant difference in no. of spike. M-2. The Zagros with 560 and the Pik/Opata with 360 g/m-2 produced the highest and lowest dry matter among genotypes, respectively. The Kasyan/ Genaro 81 line with maximum LAI (3.26) at anthesis produced the maximum grain yield (1583 kgha-1), but Maya74"s" and Seri82/Vee"s" genotypes with minimum LAI (2.4) at anthesis stage produced lowest grain yield. Crop Growth Rate pattern was low in initial stage, then increased after receiving 500 GDD and maximum the CGR achieved after receiving 800-900 GDD at athesis stage. The maximum CGR belonged to Descenocido-7 and Dovin-1 genotypes (1.3 gm-2, GDD-1)and minimum CGR was related to Kvz/Bjy"s" and Maya 74"s" genotypes (0.89 gm-2, GDD-1) at anthesis stage. Strong relationship (r-90**) was established between maximum CGR and grain yield. The results showed that genotypes No.3, 4 and 10 performed better than the other in some physiological and agronomical charactristics.

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APA: Copy

HOSSEINPOUR, TAHMASB, SIADAT, SEYED ATA ELAH, MAMAGHANI, R., & RAFIEI, M.. (2003). STUDY OF SOME MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERISTICS AFFECTING GRAIN YIELD AND YIELD COMPONENTS IN BREAD WHEAT GENOTYPES UNDER REDUCED IRRIGATION. IRANIAN JOURNAL OF CROP SCIENCES, 5(1), 23-36. SID. https://sid.ir/paper/57273/en

Vancouver: Copy

HOSSEINPOUR TAHMASB, SIADAT SEYED ATA ELAH, MAMAGHANI R., RAFIEI M.. STUDY OF SOME MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERISTICS AFFECTING GRAIN YIELD AND YIELD COMPONENTS IN BREAD WHEAT GENOTYPES UNDER REDUCED IRRIGATION. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2003;5(1):23-36. Available from: https://sid.ir/paper/57273/en

IEEE: Copy

TAHMASB HOSSEINPOUR, SEYED ATA ELAH SIADAT, R. MAMAGHANI, and M. RAFIEI, “STUDY OF SOME MORPHOLOGICAL AND PHYSIOLOGICAL CHARACTERISTICS AFFECTING GRAIN YIELD AND YIELD COMPONENTS IN BREAD WHEAT GENOTYPES UNDER REDUCED IRRIGATION,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 5, no. 1, pp. 23–36, 2003, [Online]. Available: https://sid.ir/paper/57273/en

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