Physiological Changes and Yield in Speedfeed Sorghum and Millet Cultivares Affected by Delayed Irrigation

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SAFAEE TORGHABEH M.; AZARI A.; DASHTI H.; Maddah Hoseini S.

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Journal: Plant Production Technology Year:2020 | Volume:19 | Issue:2 Page(s): 29-42

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Title

Physiological Changes and Yield in Speedfeed Sorghum and Millet Cultivares Affected by Delayed Irrigation

Author(s)

SAFAEE TORGHABEH M. | AZARI A. | DASHTI H. | Maddah Hoseini S. | Issue Writer Certificate

Keywords

Drought irrigationQ2

FrequencyQ2

ProlineQ2

SucroseQ2

Abstract

To evaluate drought tolerance of three cultivares of forage millet and one variety of sorghum, this experiment was conducted as split split plot in a randomized complete block design with three replications. Irrigation frequencies consisted of irrigation after 80 (control), 120 and 160 mm evaporation from class A pan as main plots and sub plots was consisted of sorghum cultivar (Sorghum bicolor cv. Speedfeed) and three cultivares of millet (Setaria italica cv. Bastan, Panicum miliaceum cv. Pishahang and Pennisetum americanum cv. Nutrifeed). Flage leaf sampling has done at three stages, before, one and three days after irrigation. According to the results, delaying in irrigation caused reduced leaf pigments and yield of forage, and also increased Proline, Sucrose and soluble sugars of leaf. Residual effects of drought stress were observed at the days after irrigation. 120 and 160mm evaporation were moderate and sever respectively. It needs three days at least to recovery the effects of moderate stress. Speedfeed sorghum produced maximum yield, in each irrigation frequencies. The highest forage dry yield belonged to normal irrigation and speedfeed sorghum (9376Kg/ha). There were positive correlations between yield and Proline and Sucrose as osmotic regulators, but leaf pigments had no significant correlation. Also speedfeed sorghum had high ability to adaptation, and repaired damages faster than millet cultivares after irrigation.

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APA: Copy

SAFAEE TORGHABEH, M., AZARI, A., DASHTI, H., & Maddah Hoseini, S.. (2020). Physiological Changes and Yield in Speedfeed Sorghum and Millet Cultivares Affected by Delayed Irrigation. PLANT PRODUCTS TECHNOLOGY (AGRICULTURAL RESEARCH), 19(2 ), 29-42. SID. https://sid.ir/paper/401987/en

Vancouver: Copy

SAFAEE TORGHABEH M., AZARI A., DASHTI H., Maddah Hoseini S.. Physiological Changes and Yield in Speedfeed Sorghum and Millet Cultivares Affected by Delayed Irrigation. PLANT PRODUCTS TECHNOLOGY (AGRICULTURAL RESEARCH)[Internet]. 2020;19(2 ):29-42. Available from: https://sid.ir/paper/401987/en

IEEE: Copy

M. SAFAEE TORGHABEH, A. AZARI, H. DASHTI, and S. Maddah Hoseini, “Physiological Changes and Yield in Speedfeed Sorghum and Millet Cultivares Affected by Delayed Irrigation,” PLANT PRODUCTS TECHNOLOGY (AGRICULTURAL RESEARCH), vol. 19, no. 2 , pp. 29–42, 2020, [Online]. Available: https://sid.ir/paper/401987/en

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