Effects of deficit irrigation on growth, fruit quality and yield of jujube tree
YITIKAER·Abudushalamu1, ZHU Chengli2*, LIU Zhipeng2, JIANG Ping3
1.College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi Xinjiang, 830052, China; 2.Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China of Ministry of Education, Hohai University, Nanjing, Jiangsu 210098, China; 3.Hanjiang District WaterResources Branch, Yangzhou, Jiangsu 225009, China
Abstract：In order to explore the effects of deficit irrigation in the flowering to fruit-setting stage on jujube trees in the oasis of south Xinjiang, seven-year old jujube trees were selected as experimental material. Treatments consisted of sufficient, low, moderate and severe deficit irrigation(irrigated with 100%(CK), 80%(T1), 60%(T2)and 40%(T3)of pan evaporation, respectively)in the flowe-ring to fruit-setting stage. The results indicated that water deficit significantly influences the growth rate of shedding shoots in the flowering to fruit-setting stage. With the increase of water stress, the inhibition of the shedding shoots aggravates. Deficit treatments significantly improve single fruit weight, soluble solid content, soluble sugar content and sugar/acid. Especially, the moderate deficit irrigation(T2)improves fruit yield 9.6% higher than that of the control and increases economic benefit by 33.92%. Therefore, appropriate deficit irrigation is of benefit to increasing gray jujube yield, quality and economic benefit.
依提卡尔·阿不都沙拉木, 朱成立*, 柳智鹏, 蒋平. 调亏灌溉对枣树生长与果实品质和产量的影响[J]. 排灌机械工程学报, 2018, 36(10): 948-951.
YITIKAER·Abudushalamu, ZHU Chengli*, LIU Zhipeng, JIANG Ping. Effects of deficit irrigation on growth, fruit quality and yield of jujube tree. Journal of Drainage and Irrigation Machinery Engin, 2018, 36(10): 948-951.
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