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对90份烟草种质资源的蛋白质含量进行测定,筛选出蛋白质含量高于20%的烟草种质12份,蛋白质含量在15%～20%之间的烟草种质69份,密节金丝尾的蛋白质含量最高,为24.16%。初步试验表明,烟株现蕾期是高蛋白烟叶采收的最佳时期。
The protein content of 90 tobacco germplasm resources were determined. Twelve tobacco germplasms with protein content more than 20%, 69 tobacco germplasm with protein content between 15% ~ 20% The highest protein content was 24.16%. Preliminary tests showed that the tobacco bud stage is the best period of high-protein tobacco harvest.