Effect of deficit irrigation on evapotranspiration, water use efficiency, yield and growth of Hamadanian pepper in greenhouse cultivation

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ZARE ABYANEH H.; Cheshmeh Ghassabani a.; BABOLHAVAEJI H.; Afrouzi a.

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Journal: SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE) Year:2018 | Volume:9 | Issue:3 (35) Page(s): 23-36

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Title

Effect of deficit irrigation on evapotranspiration, water use efficiency, yield and growth of Hamadanian pepper in greenhouse cultivation

Author(s)

ZARE ABYANEH H. | Cheshmeh Ghassabani a. | BABOLHAVAEJI H. | Afrouzi a. | Issue Writer Certificate

Keywords

Water stressQ1

Bivar pepperQ1

Irrigation water use efficiencyQ1

Irrigation efficiencyQ1

Abstract

Effect of deficit irrigation on evapotranspiration, yield, water use efficiency and some growth parameters of Hamadanian pepper (Bivar) using a completely randomized design (CRD) with a full irrigation treatment (FI) and three deficit irrigation treatments (85, 70 and 55% application of water requirement; DI85, DI70, and DI55, respectively) in five replications was examined. Evapotranspiration in the FI, DI85, DI70, and DI55 treatments during the 66 days of the deficit irrigation application, were 337. 8, 307. 5, 281. 1 and 244. 2 mm and in the whole growth period were 396. 2, 365. 9, 339. 5 and 302. 6 mm, respectively. The plant’ s morphological characteristics were decreased with decreasing the soil water content. However, in 79% of the cases, the difference between FI and DI85 treatments was not significant. Whereas, in all the cases, the difference between DI55 treatment and FI and DI85 treatments was significant. Applying deficit irrigation decreased the number of good-shaped fruits from 33. 0/plant in the FI treatment to 15. 6/plant in the DI55 treatment and similarly increased the number of bad-shaped fruits from 5. 4 to 18. 0 per plant. Crop yield and water use efficiency in the FI treatment were 18. 98 ton/ha and 4. 79 kg/m3, which did not have significant difference with the DI85 treatment (which had a yield of 17. 75 ton/ha and a water use efficiency of 4. 85 kg/m3). While there is not a statistically significant difference between the crop yields of FI and DI85 treatments, the DI85 treatment uses less water and gives crop yield very close to that of full irrigation treatment. Hence, the DI85 treatment can be recommended in the cultivation of Hamadanian pepper. In the severe water-scarce conditions, the DI70 treatment could be used to yield 13. 48 ton/ha, which is 29% less than the FI treatment. Also, water use efficiency in the DI70 treatment was decreased by 17% compared to the FI treatment. Irrigation efficiency was 61. 9, 65. 3, 69. 6 and 73. 4% in the FI, DI85, DI70, and DI55 treatments, respectively.

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APA: Copy

ZARE ABYANEH, H., Cheshmeh Ghassabani, a., BABOLHAVAEJI, H., & Afrouzi, a.. (2018). Effect of deficit irrigation on evapotranspiration, water use efficiency, yield and growth of Hamadanian pepper in greenhouse cultivation. SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE), 9(3 (35) ), 23-36. SID. https://sid.ir/paper/226412/en

Vancouver: Copy

ZARE ABYANEH H., Cheshmeh Ghassabani a., BABOLHAVAEJI H., Afrouzi a.. Effect of deficit irrigation on evapotranspiration, water use efficiency, yield and growth of Hamadanian pepper in greenhouse cultivation. SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE)[Internet]. 2018;9(3 (35) ):23-36. Available from: https://sid.ir/paper/226412/en

IEEE: Copy

H. ZARE ABYANEH, a. Cheshmeh Ghassabani, H. BABOLHAVAEJI, and a. Afrouzi, “Effect of deficit irrigation on evapotranspiration, water use efficiency, yield and growth of Hamadanian pepper in greenhouse cultivation,” SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE), vol. 9, no. 3 (35) , pp. 23–36, 2018, [Online]. Available: https://sid.ir/paper/226412/en

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