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“三元515”印楝 (Azadirachta indica ’Sanyuan 515’) 是从引种印楝的实生林分中, 采用选择育种的方法经表型选择、无性系测定、区域性试验和生产性试验等育种程序培育的农药型印楝优良无性系品种.优质丰产, 嫁接亲和性好, 适应性强.适于营建印楝优质农药原料林, 生产印楝农药或印楝药肥原体.“,”Azadirachta indica ’Sanyuan 515’was breeded by seedling breeding and clone selection.lts parent is superior individual of superior provenance of Azadirachta indica.With superior content of azadirachtin, high yield of seeds, good graft compatibility, and good adaptability to environment, it is suitable for building raw pesticidal material forests of high quality, and for utilization of producing neem pesticides and protomer of officinal neem fertilizers.