Variation of Forage Yields and some Agronomic and Physiological Characteristics of Kochia, Millet, Sorghum and Maize under Drought Stress

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NAJAFINEZHAD HAMID; RAVARI SEYED ZABIHALLAH; Javaheri Mohammad Ali

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2020 | Volume:13 | Issue:4 (52) Page(s): 535-554

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Title

Variation of Forage Yields and some Agronomic and Physiological Characteristics of Kochia, Millet, Sorghum and Maize under Drought Stress

Author(s)

NAJAFINEZHAD HAMID | RAVARI SEYED ZABIHALLAH | Javaheri Mohammad Ali | Issue Writer Certificate

Keywords

ChlorophyllQ2

Drought stressQ2

Forage cropsQ2

MalondialdehydeQ1

YieldQ1

Abstract

To determine resistance of four species Forage crops to Drought stress an experiment was conducted for two years (2016-2017) in Kerman – Iran. In this study a randomized complete block design arranged in a split plot experiment with four replications was used. Drought stress treatments consisted of normal, moderate and severes drought levels (80, 130 and 180 mm cumulative pan evaporation respectively) were assigned to main plots and four forage plant types (maize, kochia, millet and sorghum) to subplots. Results indicated that with increasing of Drought stress, leaf relative water content decreased but MDA (Malondialdehyde) content increased. Among the four forage plants under study, kochia had the lowest MDA content. Chlorophyll a under moderate and severe Drought stresses decreased by 16. 3% and 20. 7% respectively, as compared to normal drought. Kochia, in both years and under all levels of Drought stresses, had the highest sodium percent in shoots. Sorghum had the highest amount of potassium content in shoot, as compared to other plants under severe and moderate levels of Drought stresses. Sorghum produced the highest the forage Yield at all levels of Drought stresses and it produced highest fresh and dry (101241 kg. ha-1 and 30181 kg. ha-1) respectively under normal irrigation. Increasing Drought stress resulted in the reduction of forage Yield of all plant under study but Yield reduction in kochia was lower than the Yield of other plants. Millet and kochia with %11. 9 and %9. 82 crude protein contents respectively produced higher crude protein contents in this respect. Based on the results of this study, sorghum produced highest forage Yield, millet good quality forage and kochia was the most tolerant plant to Drought stress condition.

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APA: Copy

NAJAFINEZHAD, HAMID, RAVARI, SEYED ZABIHALLAH, & Javaheri, Mohammad Ali. (2020). Variation of Forage Yields and some Agronomic and Physiological Characteristics of Kochia, Millet, Sorghum and Maize under Drought Stress. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 13(4 (52) ), 535-554. SID. https://sid.ir/paper/182876/en

Vancouver: Copy

NAJAFINEZHAD HAMID, RAVARI SEYED ZABIHALLAH, Javaheri Mohammad Ali. Variation of Forage Yields and some Agronomic and Physiological Characteristics of Kochia, Millet, Sorghum and Maize under Drought Stress. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2020;13(4 (52) ):535-554. Available from: https://sid.ir/paper/182876/en

IEEE: Copy

HAMID NAJAFINEZHAD, SEYED ZABIHALLAH RAVARI, and Mohammad Ali Javaheri, “Variation of Forage Yields and some Agronomic and Physiological Characteristics of Kochia, Millet, Sorghum and Maize under Drought Stress,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 13, no. 4 (52) , pp. 535–554, 2020, [Online]. Available: https://sid.ir/paper/182876/en

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