Response hybrid cultivar of corn to limitations irrigation during reproductive stage in Mugan area

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Hady E.; Jahanbash S.; Kamrani m.

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Paper Information

Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2020 | Volume:12 | Issue:41 Page(s): 204-216

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Title

Response hybrid cultivar of corn to limitations irrigation during reproductive stage in Mugan area

Author(s)

Hady E. | Jahanbash S. | Kamrani m. | Issue Writer Certificate

Keywords

Drought stressQ2

hybridQ2

path analysesQ2

regressionQ2

Abstract

In order to study the effect of irrigation limitations on some physiological characteristics of corn, an experimental in from of split-plot based on randomized complete block design with three replications was carried at the Department of Agriculture and Natural Resources Mugan during cropping season in 2014-2015. Three irrigation regimes (full irrigation, deficit irrigation at flowering and grain filling stage) in the main plot and seven commercial hybrids of corn (Single cross 260, 301, 302, 400, 500, 704 and 370 double-cross) were in the subplots. Analysis of variance showed that the effects of irrigation, hybrid and interaction between irrigation and hybrid was significant for most traits (except LAI and grain yield and biologic yield). Under full irrigation, deficit irrigation at flowering and grain filling stage, hybrid single cross 704, accounted for the highest yield 14. 53, 9. 38 and 10. 53 tons per hectare respectively. Results of correlation analysis showed, the number of grains per corn, number of rows per corn, thousand grain weight, plant height, maize height deployment, total leaf area and flag and biological function positively correlated with grain yield and hectoliter weight and number of tassel branches have were negatively correlated. The highest correlation with grain yield to the number of rows per maize was allocated by a factor of 0. 908. Results regression analysis also showed that the number of rows per maize and thousand kernel weight and number of branches has a significant effect tassel and grain yield were entered into the equation changes 0. 286 gradient of grain row has the highest effect. Path analysis results showed that biological yield and corn leaf area, showed the highest direct effect on grain yield. In general, result indicate hybrid 704 was observed compared to other hybrids are corn tolerant to Drought stress during flowering led to a further reduction in yield.

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APA: Copy

Hady, E., Jahanbash, S., & Kamrani, m.. (2020). Response hybrid cultivar of corn to limitations irrigation during reproductive stage in Mugan area. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 12(41 ), 204-216. SID. https://sid.ir/paper/188446/en

Vancouver: Copy

Hady E., Jahanbash S., Kamrani m.. Response hybrid cultivar of corn to limitations irrigation during reproductive stage in Mugan area. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2020;12(41 ):204-216. Available from: https://sid.ir/paper/188446/en

IEEE: Copy

E. Hady, S. Jahanbash, and m. Kamrani, “Response hybrid cultivar of corn to limitations irrigation during reproductive stage in Mugan area,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 12, no. 41 , pp. 204–216, 2020, [Online]. Available: https://sid.ir/paper/188446/en

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