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花芽分化期滴灌施肥频率对香蕉生长及产量构成的影响

作  者:
余赟;张涛;韦思智;周小红;邓金秀;李宝深
单  位:
广西金穗农业投资集团有限责任公司;中国农业大学资源与环境学院
关键词:
香蕉;花芽分化期;滴灌;施肥频率
摘  要:
以威廉斯B6为试材,设置3种施肥频率处理(分别于花芽分化期至现蕾期的57d内施6、12、18次水肥),研究该时期不同滴灌施肥频率对香蕉生长特性(株高、茎粗和青叶数)、抽蕾时间及其产量构成的影响。结果表明,在广西地区降雨量集中的5-7月份,增加滴灌施肥频率仍然可以显著提高蕉园管理质量,但对香蕉生物量和养分累积量影响不大。处理3d一次较其他处理提前抽蕾5~10d,现蕾更为集中,且果指数显著增加。水肥频次对香蕉果指数的影响主要体现在第一梳、第二梳与第五梳。
译  名:
Effects of Fertigation Frequency on Banana Growth and Yield Formation in Flower-bud Differentiation Period
作  者:
YU Yun;ZHANG Tao;WEI Si-zhi;ZHOU Xiao-hong;DENG Jin-xiu;LI Bao-shen;College of Resources and Environmental Sciences,China Agriculture University;Guangxi Jinsui Agricultural Investment Group Co.Ltd.;
关键词:
banana;;flower-bud differentiation period;;fertigation;;fertilization frequency
摘  要:
To explore the effects of fertigation frequency in flower-bud differentiation period on banana fruit formation and yield formation,the banana cultivar Williams B6 was used as experimental material and three kinds of fertigation frequency,as total fertigation of 6times,9times and 18 times,was designed to carry out the experiment of the effects of different fertigation frequency management on banana growth characteristic,including plant height,stem diameter,the number of green leaves,squaring time and yield component.The results showed that even though during the rainy season,the increase of fertigation frequency has no obvious effect on the banana growth characteristic;while the blossoms appearance of the treatment with one drip irrigation per 3days advanced 5~10days;and more frequent fertigation could increase the number of fruit.

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