INVESTIGATION OF SOME MORPHOLOGICAL AND AGRONOMICAL TRAITS OF RAPESEED CULTIVARS IN RESPONSE TO WITHHELD IRRIGATION AT REPRODUCTIVE GROWGH STAGES

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NAEEMI M.; AKBARI G.H.; SHIRANI RAD A.H.; MODARES SANAVI A.M.; SADAT NURI A.

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Journal: AGRICULTURAL RESEARCH Year:2007 | Volume:7 | Issue:3 Page(s): 223-234

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Title

INVESTIGATION OF SOME MORPHOLOGICAL AND AGRONOMICAL TRAITS OF RAPESEED CULTIVARS IN RESPONSE TO WITHHELD IRRIGATION AT REPRODUCTIVE GROWGH STAGES

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Keywords

WATER DEFICIT STRESSQ2

OIL YIELDQ2

SILIQUE FORMATION STAGEQ2

RAPESEEDQ2

Abstract

In many areas of country, RAPESEED reproductive growth stages is exposed to drought stress.In order to evaluate the impact of withheld irrigation effects at terminal stages of growth (silque formation and after it) on morphological and agronomical traits in RAPESEED cultivars, a experiment was conducted in split-plot design on randomized complete block design with four replication at field experimental of seed and plant improvement Institute, karaj in 2005/6. In this-experiment, the effects of irrigation at two' level including normal irrigation (irrigation after 80 mm evaporation from class A pan) as control and stress (withheld irrigation at silque formation and after it) as main plot and twelve cultivar as sub plot, were studied. Withheld of irrigation trait had undesirable effects on growth activities and yield of cultivar. The result of this experiment showed that withhelding irrigation treatment decreased secandry branches number (8%), silique number per plant (31%), grain yield (29%) and OIL YIELD (28%) and increased seedlessness percentage (51%) traits, whereas had not significant effect on plant heigh, silique heigh and 1000 seed weight.Experimental cultivars had significant variation in total evaluated traits. The highest seed yield in water deficit conditions was produced in Opera and Zarfam cultivars, (2058 k.h-1) and (1896 k.h-1) respectively. Also the named cultivars had the highest OIL YIELD in withheld irrigation conditions and they have the best adaptation in water deficit conditions. The results of this experiment indicated that provide of sufficient water at the terminal stages of reproductive growth have specially importance to obtain to high grain and OIL YIELD.

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APA: Copy

NAEEMI, M., AKBARI, G.H., SHIRANI RAD, A.H., MODARES SANAVI, A.M., & SADAT NURI, A.. (2007). INVESTIGATION OF SOME MORPHOLOGICAL AND AGRONOMICAL TRAITS OF RAPESEED CULTIVARS IN RESPONSE TO WITHHELD IRRIGATION AT REPRODUCTIVE GROWGH STAGES. AGRICULTURAL RESEARCH, 7(3), 223-234. SID. https://sid.ir/paper/84735/en

Vancouver: Copy

NAEEMI M., AKBARI G.H., SHIRANI RAD A.H., MODARES SANAVI A.M., SADAT NURI A.. INVESTIGATION OF SOME MORPHOLOGICAL AND AGRONOMICAL TRAITS OF RAPESEED CULTIVARS IN RESPONSE TO WITHHELD IRRIGATION AT REPRODUCTIVE GROWGH STAGES. AGRICULTURAL RESEARCH[Internet]. 2007;7(3):223-234. Available from: https://sid.ir/paper/84735/en

IEEE: Copy

M. NAEEMI, G.H. AKBARI, A.H. SHIRANI RAD, A.M. MODARES SANAVI, and A. SADAT NURI, “INVESTIGATION OF SOME MORPHOLOGICAL AND AGRONOMICAL TRAITS OF RAPESEED CULTIVARS IN RESPONSE TO WITHHELD IRRIGATION AT REPRODUCTIVE GROWGH STAGES,” AGRICULTURAL RESEARCH, vol. 7, no. 3, pp. 223–234, 2007, [Online]. Available: https://sid.ir/paper/84735/en

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