STUDY THE RESPONSE OF AUTUMNAL COLZA CULTIVARS TO CUT IRRIGATION IN DIFFERENT GROWTH STAGES

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NADERI M.R.; MADANI H.; HOSSEINI S.A.; JAVANMARD H.R.

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY Year:2010 | Volume:2 | Issue:3 Page(s): 185-197

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Title

STUDY THE RESPONSE OF AUTUMNAL COLZA CULTIVARS TO CUT IRRIGATION IN DIFFERENT GROWTH STAGES

Author(s)

NADERI M.R. | MADANI H. | HOSSEINI S.A. | JAVANMARD H.R. | Issue Writer Certificate

Keywords

AUTUMN COLZAQ3

CUT IRRIGATIONQ2

GRAIN YIELDQ2

OIL YIELDQ2

DROUGHT STRESSQ2

Abstract

This experiment was conducted in the cultivation year 2007-2008 in the Agricultural Research Station of Isfahan. This experiment had a split-plot layout in the randomize complete block design whit three replication. Factors included the cut of irrigation in seven stages (D1: normal irrigation or irrigation after 80mm evaporation from class A pan to physiological maturation as an check treatment (D2: Cut of irrigation in stem elongation stage (D3: cut of irrigation in flowering stages, (D4: cut of irrigation in pod production stages,(D5: deletion of irrigation from stem elongation to flowering stage, (D6: deletion of irrigation from stem elongation to pod production stages, (D7: deletion of irrigation from flowering to pod production stage) As main plots and four AUTUMN COLZA cultivars included Opera, Okapi, Zarfam and Modena as sub-plots. The results showed that the effect of CUT IRRIGATION on number of pod in the plant, number of seeds in the pod, the weight of 1000 seeds, GRAIN YIELD, biological yield, harvest index and OIL YIELD were significant P>0.01. According to the results, the most sensitive growth stage of autumnal colza to DROUGHT STRESS were first stem production stage and then flowering stage and finally the early of pod production. According to the obtained results cut of irrigation must be avoided during stem elongation, flowering and pod production but at the water deficient condition Cut of irrigation is more suitable at the end of pod production stage. Cultivar effects were significant, P>0.01, for the number of pod in the plant, number of seeds in the pod, biological yield, harvest index, GRAIN YIELD and OIL YIELD but the height of the plant and seed oil content were not significant. Generally, Zarfam with highest weight for 1000 seeds and the most number of pod in plant produced the most GRAIN YIELD.

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APA: Copy

NADERI, M.R., MADANI, H., HOSSEINI, S.A., & JAVANMARD, H.R.. (2010). STUDY THE RESPONSE OF AUTUMNAL COLZA CULTIVARS TO CUT IRRIGATION IN DIFFERENT GROWTH STAGES. JOURNAL OF CROP ECOPHYSIOLOGY, 2(3), 185-197. SID. https://sid.ir/paper/176395/en

Vancouver: Copy

NADERI M.R., MADANI H., HOSSEINI S.A., JAVANMARD H.R.. STUDY THE RESPONSE OF AUTUMNAL COLZA CULTIVARS TO CUT IRRIGATION IN DIFFERENT GROWTH STAGES. JOURNAL OF CROP ECOPHYSIOLOGY[Internet]. 2010;2(3):185-197. Available from: https://sid.ir/paper/176395/en

IEEE: Copy

M.R. NADERI, H. MADANI, S.A. HOSSEINI, and H.R. JAVANMARD, “STUDY THE RESPONSE OF AUTUMNAL COLZA CULTIVARS TO CUT IRRIGATION IN DIFFERENT GROWTH STAGES,” JOURNAL OF CROP ECOPHYSIOLOGY, vol. 2, no. 3, pp. 185–197, 2010, [Online]. Available: https://sid.ir/paper/176395/en

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