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| 新疆棉区杂交棉养分吸收分配特点研究 | |
| 引用本文： | 刘涛,魏亦农,雷雨,雷军,孙卫恒.新疆棉区杂交棉养分吸收分配特点研究[J].安徽农业科学,2009,37(21):9971-9973. |
| 作者姓名： | 刘涛 魏亦农 雷雨 雷军 孙卫恒 |
| 作者单位： | 1. 石河子大学新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子,832003 2. 新疆天合种业有限责任公司,新疆乌鲁木齐,830026 3. 石河子大学农学院,新疆石河子,832003 |
| 基金项目： | 石河子大学高层次人才科研启动资金专项 |
| 摘 要： | 目的]研究新疆棉区杂交棉养分吸收分配的特点。方法]以杂交棉标杂A1、鲁棉研15和常规棉新陆早13号为材料进行试验。结果]在新疆棉区种植条件下，杂交棉单铃重、衣分、皮棉产量均高于常规棉，且达极显著水平。杂交棉与常规棉对N、P2O5和K2O的吸收均呈Logistic函数曲线变化。但养分积累量和吸收强度不同。杂交棉在各生育阶段养分净积累量高于常规棉，养分吸收强度大于常规棉，养分最大吸收速率出现的时间较常规棉晚。杂交棉养分分配规律和常规棉一致，但在生育后期，养分向生殖器官（籽棉）分配较常规棉多，向营养器官分配低于常规棉。结论]为制定相应的高产施肥方案和施肥模式提供理论依据。 |
| 关 键 词： | 杂交棉 产量 营养物质 代谢 |
Study on the Characteristics of Nutrients Absorption and Distribution of Hybrid Cotton in Xinjiang Cotton Area |
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| LIU Tao et al.Study on the Characteristics of Nutrients Absorption and Distribution of Hybrid Cotton in Xinjiang Cotton Area[J].Journal of Anhui Agricultural Sciences,2009,37(21):9971-9973. | |
| Authors: | LIU Tao |
| Institution: | LIU Tao et al (Key Laboratory of Oasis Ecological Agriculture of Xinjiang Production , Construction Corps,Shihhotze University,Shihhotze,Xinjiang 832003) |
| Abstract: | Objective] The research aimed to study the characteristics of nutrients absorption and distribution of hybrid cotton in Xinjiang cotton area.Method] The experiment was conducted on hybrid cotton cultivars Biaoza A1,Lumianyan 15 and conventional cultivar Xinluzao 13.Result] The result showed that the weight of single boll,lint percentage and lint yield of hybrid cotton were significantly higher than those of conventional variety.The net accumulation and the absorbing speed of nutrient on three cultivars w... |
| Keywords: | Hybrid cotton Yield Nutrient Metabolism |
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