福农39甘蔗健康种苗繁育

Heilongjiang Agricultural Sciences(2016)

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Abstract
以福农39甘蔗为材料,通过预处理、茎尖培养、增殖培养、生根培养、病毒检测、炼苗移栽,以期建立健康种苗繁育体系.结果表明:经50℃水浴15min,在温度为35℃、相对湿度为80%、光照强度为1000 lx的培养箱中培养约7d,甘蔗茎段侧芽萌发率达97%.在MS+2,4-D1.0mg·L-1+ 6-BA1.0 mg·L-1+AC5.0g·L-1培养基中,茎尖均生长良好.在MS+6-BA1.5 mg·L-1 +KT0.5 mg·L-1继代培养基中,增殖系数为13.6.在1/2MS+NAA1.0 mg·L-1生根培养基中,生根率达100%.经检测,组培苗无花叶病和宿根矮化病发生.炼苗移栽后存活率达到86%.由此,建立起福农39甘蔗健康种苗繁育体系.
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