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作 者:吴代东[1,2] 李小泉[1,2] 韦华芳[1,2] 韦绍龙[2] 牟海飞[1,2] 李朝生[1,2] 林贵美[1,2] 马文成
机构地区:[1]广西植物组培苗有限公司,南宁530007 [2]广西农业科学院生物技术研究所,南宁530007 [3]南宁市西乡塘区坛洛镇殊湖村,南宁530007
出 处:《广西农业科学》2009年第8期1051-1054,共4页Guangxi Agricultural Sciences
基 金:国家科技支撑计划项目(2008BADB8B02)
摘 要:针对常规栽培中存在的生育期长、易感染枯萎病等问题,开展了粉蕉两年两造高效栽培及其枯萎病防控技术研究。结果显示,综合技术处理区第1造产量和净收益分别比常规栽培对照区提高了59.59%和94.05%,枯萎病病株率下降93.01%;综合技术处理区第2造产量、净收益和枯萎病病株率分别为20437.20kg/ha、46817.88元/ha和6.25%。说明通过种植大龄组培苗、施足基肥、增施钾肥、无伤根追肥、预防地下病虫害伤根传病、提早留芽、反复割苗留茎等综合技术措施,可实现粉蕉两年两造高产高效栽培及有效防控枯萎病为害,但对具体的追肥量、留芽方式、宿根栽培收果期等指标仍有待进一步探讨。The experiments have been conducted in order to shorten the duration of Musa AAB Group variey Fenjiao, imparting resistance against Fusarium wilt and developing a new twice cropping system to replace the conventional cultivation. It has been observed that using large plantlets for plantation, applying enough basal fertilizer along with potassium fertilizer, top dressing without affecting the roots and control of underground diseases and insect pests resulted in an increase in yield and net income by 59.59% and 94.05%, respectively in first cropping. The rate of diseased plants from Fusarium wilt decreased by 93.01% as compared to the control. In the second cropping, the yield, net income and the rate of diseased plants in treatment plot were found to be 20437.20 kg/ha, 46817.88 RMB yuan/ha and 6.25%, respectively. Therefore, these measures and twice cropping techniques can be recommended to ensure high-yield.
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