| 香蕉掉蕾原因调查与分析 |
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| 引用本文： | 余赟,方昭,迟志广,韦思智,韦义波,李宝深.香蕉掉蕾原因调查与分析[J].广西热带农业,2014(5):32-36. |
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| 作者姓名： | 余赟 方昭 迟志广 韦思智 韦义波 李宝深 |
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| 作者单位： | 1. 中国农业大学资源与环境学院,北京100193;广西金穗农业投资集团有限责任公司
2. 广西金穗农业投资集团有限责任公司 |
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| 基金项目： | 广西工程技术研究中心组建项目 |
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| 摘 要： | 研究香蕉田间掉蕾规律及发生影响因素,为合理降低香蕉掉蕾率提供科学依据.以威廉斯B6为试材,采用田间调查和室内解剖分析的方法,对香蕉掉蕾规律和果轴形态进行分析.结果表明香蕉掉蕾与母株前期自身长势及生长特性无关,而与抽蕾期果轴发育过程中的变形密切相关.未掉蕾植株的果轴呈自然下垂状,掉蕾植株果轴多数呈异常弯曲状.果穗第1张苞叶展开处出现的弯曲会增加果穗对果轴基部支撑点的力矩,进而诱发掉蕾.抽蕾期作为预防掉蕾的关键时期,应注意采取措施减少果轴弯曲而导致掉蕾.
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| 关 键 词： | 香蕉 掉蕾分析 果轴形态 |
Investigation and Analysis on Causes of Banana Bud Dropping |
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| Yu Yun,Fang Zhao,Chi Zhi-guang,Wei Si-zhi,Wei Yi-bo,Li Bao-shen.Investigation and Analysis on Causes of Banana Bud Dropping[J].Guangxi Tropical Agriculture,2014(5):32-36. |
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| Authors: | Yu Yun Fang Zhao Chi Zhi-guang Wei Si-zhi Wei Yi-bo Li Bao-shen |
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| Institution: | Yu Yun,Fang Zhao,Chi Zhi-guang,Wei Si-zhi,Wei Yi-bo,Li Bao-shen (1.College of Resources and Environmental Sciences, China Agriculture University, Beijing 100193, China; 2.Guangxi Jinsui Agricultural Investment Group Co.Ltd.) |
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| Abstract: | Objective ] In order to decrease the dropping rate of banana bud reasonably,the laws and the influencing factor of bud dropping were investigated. Method] The banana variety Williams B6 was used for investigating the laws of banana bud dropping and the shape of fruit stalk by field investigation and anatomical analysis. Result] The results showed that the banana bud dropping was closely related to the deformation of fruit stalk in the budding period,but unrelated to the plant growth and growth characteristics in the earlier stage.The normal fruit stalk hung down naturally, but the stalk of the dropping bud bent abnormally. The first bent leaf would increase the torque from the fruit ear to the support point of the stalk base, and then induced buds dropping. Conclusion] The budding period is a critical stage to prevent buds dropping. Some measures should be taken to decrease the stalk bending and bud dropping. |
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| Keywords: | Banana analysis of bud dropping the shape of fruit stalk |
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