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果蔗拔地拉脱毒组培苗密度试验

XianDai NongYe KeJi(2017)

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Abstract
选用果蔗拔地拉茎尖脱毒健康组培杯苗,探讨不同密度对其分蘖苗数、成茎率、株高、茎径、单位面积有效茎数、总芽数等性状的影响.结果表明,种植密度在1.5万~2.7万株/hm2范围内,不影响拔地拉果蔗茎尖脱毒组培苗的株高、茎径;组培苗分蘖苗数以种植1.8万株/hm2最多,为9.69条/株;每株组培苗的成茎数、成茎率以及单位面积有效茎数、芽数随着种植密度的增加呈先升后降趋势.因此,果蔗拔地拉脱毒组培杯苗以种植2.1万株/hm2为宜,单位面积可获得最优的总芽数.
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