Evaluation Of Yield And Water Productivity In Peanut Cultivars Under Full And Deficit Irrigation In Gilan Province

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Due to the shortage of water in the agricultural sector, it is very important to calculate the amount of irrigation water for crops in conditions of limited water resources. In order to investigate the effect of different irrigation treatments on yield and water use productivity in peanuts, a study was conducted as a split plot experiment in a randomized complete block design with 3 replications in 2017 and 2018 in Gilan province. The main treatment included full irrigation with 100% water requirement and adjusted low irrigation with 40, 60, 80% water supply and the sub-treatment consisted of four peanut cultivars (Guil, Gorgani, Jonobi and Mesri). The results showed that the interaction effect of irrigation and cultivars on seed yield and seed water use productivity was significant at 1% level and 100% water requirement treatment and southern cultivar with an average of 1732 kg / ha had the highest grain yield. Due to irrigation and cultivars, the highest water use productivity based on seed yield was in the treatment of 40% of water requirement and Mesri cultivar with an average of 0.40 kg / m3. In peanut cultivars, Jonobi cultivar with an average of 1273 kg/ha had the highest seed yield compared to other cultivars. Based on water supply, the Jonobi cultivar had the highest seed yield during two years, which is suggested as a suitable cultivar for the study area.
Language:
Persian
Published:
Iranian Journal of Irrigation & Drainage, Volume:15 Issue: 5, 2022
Pages:
1092 to 1103
https://magiran.com/p2411660  
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