Method for improving flue-cured tobacco variety Yunyan97
A flue-cured tobacco variety and cloud tobacco technology, applied in the field of flue-cured tobacco cultivation, can solve the problems of incompatibility of hybrids between two varieties, large separation of hybrid offspring, easy premature death of hybrids, etc., and achieve the effects of good industrial utilization value, fewer diseases and insect pests, and developed root system.
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[0018] Example 1
[0019] 1,000 plants of Yunyan 97 and Xiangju were planted in the Hongyan flue-cured tobacco base of Mile County, Yunnan Province, respectively, and the plant growth characters, graft compatibility, disease and insect resistance ability and the quality of cured tobacco leaves after grafting were compared. details as follows:
[0020] 1. Cultivation of rootstocks
[0021] Fragrant chrysanthemum, a perennial herb, Compositae. Erect, branched subshrubs, 10-40 cm tall. Likes cool, cold-resistant, suitable growth temperature of 18-21 ℃, underground rhizomes are drought-tolerant, avoid waterlogging, like high terrain, deep soil, rich in humus, loose and fertile, well-drained soil. Grows in slightly acidic to slightly alkaline soils. The main chemical components of fragrant chrysanthemum are adenine, choline, stachydrine, mirbagoside, luteolin-7-glucoside and anthocyanin, etc.; it still contains volatile oil, and the oil mainly contains chrysanthemum ketone, bor...
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