Study the effect of not-irrigation at different growth stages of corn on content and amount of grain’ s elements

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KARIMI A.; GHOBADI M.E.; GHOBADI M.; Nosrati i.

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Journal: Environmental Stresses in Crop Sciences Year:2020 | Volume:13 | Issue:3 Page(s): 749-762

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Title

Study the effect of not-irrigation at different growth stages of corn on content and amount of grain’ s elements

Author(s)

KARIMI A. | GHOBADI M.E" target="_blank"> GHOBADI M.E. | GHOBADI M. | Nosrati i. | Issue Writer Certificate

Keywords

IronQ2

NitrogenQ2

PhosphorusQ2

PotassiumQ2

Water deficitQ2

ZincQ2

Abstract

In order to investigate the effect of not irrigation at different growth times on the amount of elements in the grain of corn (SC704), an experiment was carried in Ciahgol village in Gilangharb (Kermanshah province), in base on randomized complete block design (RCBD) with three replications in the summer 2015. Treatments included control (irrigation per week) and once not irrigation for two weeks from 7, 21, 35, 49, 63, 77, 77 and 91 days after sowing and once not irrigation for three weeks from 7, 28, 49, 70 and 91 days after sowing. The results of ANOVA showed that not irrigation had significant effects on grain yield, concentration and yield of the studied elements in the grain. The highest grain yield (13600 kg ha-1) was obtained in the control treatment. In the two weeks and three weeks treatments, not irrigation was reduced to 97% in 49 days after sowing (inflorescence emergence) compared to control. The concentration of the studied elements in the two and three weeks not irrigation treatments compared to the control increased by 12-45 and 10-58%, respectively. The highest concentrations were obtained in two weeks not irrigation treatments 77 days after sowing and three weeks of not irrigation in 49 days after sowing treatment. In the treatment of not irrigation for three weeks on 49 days after planting for elements such as Iron, Zinc, copper, Nitrogen, Potassium, Phosphorus and sodium in relation to control increased 10. 9, 20. 7, 46. 1, 25. 1, 26. 8, 48. 2 and 58. 3%, respectively. In general, the results showed that at each stage of growth and development of the maize, which is faced with drought stress, has an effect both the reduction of grain yield and the absorption of all grain elements.

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APA: Copy

KARIMI, A., GHOBADI, M.E., GHOBADI, M., & Nosrati, i.. (2020). Study the effect of not-irrigation at different growth stages of corn on content and amount of grain’ s elements. ENVIRONMENTAL STRESSES IN CROP SCIENCES, 13(3 ), 749-762. SID. https://sid.ir/paper/404980/en

Vancouver: Copy

KARIMI A., GHOBADI M.E., GHOBADI M., Nosrati i.. Study the effect of not-irrigation at different growth stages of corn on content and amount of grain’ s elements. ENVIRONMENTAL STRESSES IN CROP SCIENCES[Internet]. 2020;13(3 ):749-762. Available from: https://sid.ir/paper/404980/en

IEEE: Copy

A. KARIMI, M.E. GHOBADI, M. GHOBADI, and i. Nosrati, “Study the effect of not-irrigation at different growth stages of corn on content and amount of grain’ s elements,” ENVIRONMENTAL STRESSES IN CROP SCIENCES, vol. 13, no. 3 , pp. 749–762, 2020, [Online]. Available: https://sid.ir/paper/404980/en

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