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‘四季蜜’龙眼成花调控技术研究 预览 被引量:8

A Study on Flowering Regulation of Dimocarpus longan 'Si Jimi'
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摘要 为调控错开正造花期集中成批开花,以‘四季蜜’龙眼为试材,研究春季修剪、结果母枝单元生长和生长调节剂对调控成花的影响。结果表明,结果母枝单元从促芽修剪到第2或第3次梢转绿、适于进行成花调控需93.3~156.1天。叶片呈浅绿至绿色时开始应用多效唑、乙烯利、细胞分裂素进行成花调控,试验设17个处理,都能促进‘四季蜜’龙眼成花,抽穗枝率为55.1%~98.4%,抽穗整齐率达92.1%~100.0%。根据试验结果,推荐在‘四季蜜’龙眼叶片呈浅绿至绿色时开始进行成花调控,喷布75mg/L多效唑和142.8mg/L乙烯利混合液,待顶芽萌芽时喷布37.5mg/L多效唑和142.8mg/L乙烯利混合液,之后如果出现冲梢趋势喷布25.5mg/L多效唑。 To regulate the blooming in out of season and concentrated flowering.Dimocarpus longan ' Si Jimi ' was chose as the materials to study the effects of springtime pruning,growth of the basic branch unit of bearing shoot and growth regulators on flower formation.The results showed that it needed 93.3-156.1 d for the bearing base shoot unit to develop from pruning to the second or third shoots turn green,when it was mature enough to form flower bud.Treat with paclobutrazol (PP 333),ethrel and cytokinin during the periods of young shoots turn green.There were 17 treatments in this experimentation,all of the treatment can induce Dimocarpus longan ' Si Jimi ' flowering.The flowering rates of top shoot were 55.1%-98.4%,and the tidiness rates of flower formation were 92.1%-100.0%.According to the experiment results treat the materials with 75mg/L PP 333 and 142.8mg/L ethrel combine solution during the periods of young shoots turn green,37.5mg/L PP 333 and 142.8mg/L ethrel when the top having bud,and 25.5mg/L PP 333 if the shoots flushing were recommended.
作者 朱建华 黄凤珠 徐宁 彭宏祥 陆贵锋 李冬波 秦献泉 Zhu Jianhua,Huang Fengzhu,Xu Ning,Peng Hongxiang,Lu Guifeng,Li Dongbo,Qin Xianquan (Litchi and Longan Research Group,Horticulture Research Institute,Guangxi Academy of Agricultural Sciences,Nanning 530007)
出处 《中国农学通报》 CSCD 北大核心 2011年第25期 288-293,共6页 Chinese Agricultural Science Bulletin
基金 广西科学研究与技术开发计划“热带型龙眼新品种‘四季蜜’产期调节标准化栽培技术研究与示范”(桂科合0992032-7) 广西自然科学基金“热带生态型龙眼的种质创新与应用研究”(桂科自0728070)
关键词 '四季蜜’ 修剪 结果母枝单元 成花调控 Dimocarpus longan ' Si Jimi ' pruning basic branch unit of bearing shoot flowering regulation
作者简介 朱建华,男,1962年出生,广西博白人,研究员,本科,从事果树种质资源和栽培技术研究。通信地址:530007广西南宁市大学东路174号广西农业科学院园艺研究所,Tel:0771-3248990,E-mail:y66899@126.com。
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