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Effects of Different Water Treatment on Yield and Agronomic Traits of Wheat

Effects of Different Water Treatment on Yield and Agronomic Traits of Wheat
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摘要 In order to make clear the effects of water on yield and agronomic traits of wheat in Cangzhou,18 wheat cultivars from north part of Huanghuai Plain were collected for spring irrigation. The indoor and field surveys were used to analyze the effects of irrigation frequency on stem tiller situation,leaf area coefficient,yield and other traits of different wheat cultivars. The results indicated that the average yield of irrigation 1 increased by 68. 07 kg compared with that of irrigation 0,while the average yield of irrigation 2 increased by 60. 00 kg compared with that of irrigation 1. The survey of flag leaf area of wheat cultivars at the grain filling stage showed that the leaf area of irrigation 0 was the smallest( 18. 15 cm^2 on average),the leaf area of irrigation 1 was 20. 34 cm^2,and the leaf area of irrigation 2 was 24. 05 cm^2. With the increase in the irrigation times,the volume weight of wheat cultivars declined,the number of infertile spikelet dropped,and the plant height gradually increased. In conclusion,every decrease of one time of irrigation times,there will be loss of yield about 60. 00 kg. In order to make clear the effects of water on yield and agronomic traits of wheat in Cangzhou,18 wheat cultivars from north part of Huanghuai Plain were collected for spring irrigation. The indoor and field surveys were used to analyze the effects of irrigation frequency on stem tiller situation,leaf area coefficient,yield and other traits of different wheat cultivars. The results indicated that the average yield of irrigation 1 increased by 68. 07 kg compared with that of irrigation 0,while the average yield of irrigation 2 increased by 60. 00 kg compared with that of irrigation 1. The survey of flag leaf area of wheat cultivars at the grain filling stage showed that the leaf area of irrigation 0 was the smallest( 18. 15 cm^2 on average),the leaf area of irrigation 1 was 20. 34 cm^2,and the leaf area of irrigation 2 was 24. 05 cm^2. With the increase in the irrigation times,the volume weight of wheat cultivars declined,the number of infertile spikelet dropped,and the plant height gradually increased. In conclusion,every decrease of one time of irrigation times,there will be loss of yield about 60. 00 kg.
出处 《Asian Agricultural Research》 2018年第3期83-87,共5页 亚洲农业研究(英文)
基金 Supported by State Key Research and Development Program of Ministry of Science and Technology(2017YFD0100600) Project of Wheat Industry Technology System of the Ministry of Agriculture(CARS3-2-5) Key Technology R&D Program of Hebei Province "Salt and Drought Resistance Wheat Germplasm Resources and Breeding Technology Innovation"(16226320D)
关键词 WHEAT YIELD IRRIGATION Agronomic traits Wheat Yield Irrigation Agronomic traits
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