Method for improving variety of NC297 flue-cured tobacco
A technology for flue-cured tobacco varieties and rootstocks, which is applied in the field of flue-cured tobacco cultivation, can solve the problems of severe red star disease, insufficient sweetness, and dull tobacco taste, and achieves the effects of strong disease resistance, improved aroma quality, and increased sweet aroma.
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[0019] Example 1
[0020] 1000 plants of NC297 flue-cured tobacco and French wild grape were planted in the Red Tobacco Base in Mile County, Yunnan Province, and comparative experiments were carried out on graft compatibility, plant growth characteristics after grafting, resistance to diseases and insect pests and quality of flue-cured tobacco leaves. The specific steps are as follows:
[0021] 1. Choose rootstock and scion: The rootstock is selected from French wild grape varieties. It is required to choose the new shoots of the rootstock with good location and strong growth, free of diseases and insect pests, and the cutting distance between the buds should not be less than 5 cm. The diameter is more than 0.5 cm; the scion is selected from NC297 flue-cured tobacco variety, which requires a seedling age of about 50 days, a stem height of 5-7cm, a stem circumference of 0.5-1cm, full leaf buds, and no pests infesting tobacco seedlings.
[0022] 2. Grafting time: The grafting time is ...
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