A method of improving the differentiation rate and uprightness of sweet potato buds for leafy vegetables in greenhouses in winter
A bud differentiation and sweet potato technology, applied in the field of sweet potato planting, can solve the problems of large amount of fertilization, easy creeping and leggy main vines, few branches, etc., and achieve the effects of increased yield, easy picking, and compact plant type
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Embodiment 1
[0015] Xu Caishu No. 1 is also known as Shu (Cui) Lv No. 1, which is a new sweet potato variety with apex and leaf vegetables bred jointly by Jiangsu Xuzhou Institute of Agricultural Sciences and Zhejiang Academy of Agricultural Sciences. Strong growth vigor, protruding stem tip, pointed heart with teeth, no fluff, and small leaves. The top leaves and leaves are light green, the veins, petioles, vein bases, stalk bases, and stems are all green, and the plant type is semi-upright. The petiole is 10.8cm long, the petiole is 3.7mm thick, the branching ability is strong (11.1), the stem is 5.8mm thick, and the internode length is 4.4cm. Stem apex has a fragrance, smooth taste, no bitterness, and taste better than fungus and water spinach.
[0016] Aiming at the characteristics of Xu Caishu No. 1 with strong growth potential, strong branching ability, short and thick internodes, and semi-upright plant type, specific methods to improve the differentiation rate of lateral buds and plan...
Embodiment 2
[0024] Ningcaishu No. 2, the original line No. Ningcai 4~2, was further screened, identified and cross-breeded by the Nanjing Institute of Agricultural Sciences, Jiangsu Province for the main leafy vegetable varieties. The selected stems were green, pure, no bitter and astringent. The fresh-tasting sweet potato variety for stalk-tip leaf vegetables passed the national variety appraisal in March 2012. It is characterized by vigorous growth in the above-ground part, many branches in the base part, 10-12 branches per plant, high yield; short vines are semi-upright, long petioles, large leaves, and the leaves are pointed and heart-shaped with teeth, and the color is emerald after maturation; cold resistance It is strong and suitable for growth in Jiangsu and northern regions. It can grow normally in a solar greenhouse in winter. It is a new type of leafy vegetable substitute suitable for green production.
[0025] According to the characteristics of Ningcaishu 2 with long petiole, st...
Embodiment 3
[0033] Fushu 7~6 were cross-bred by the Crop Institute of Fujian Academy of Agricultural Sciences through the "Baisheng" project group in 2003, and passed the national variety appraisal in 2005. They are the first leafy vegetables to pass the provincial approval and national appraisal in my country. Use new varieties of sweet potatoes. The plant type is short and semi-upright, with 8-10 branches per plant, heart-shaped leaves, and 74.4kg / time of leafy vegetable stem tips per mu. Fresh stems and leaves (fresh base) Vc content 14.87mg / 100g, crude protein (dry base) 30.8%, crude fat (dry base) 5.6%, crude fiber (dry base) 14.2%, water-soluble total sugar (fresh base) Base) 0.06%. The plant type, leaf shape, color, growth and eating feeling of Fushu 7~6 are very similar to fungus, and the color, fragrance and taste of the stem tips are good after ripening.
[0034] In view of the relatively few lateral buds of Fushu 7~6 and the relatively weak growth potential, specific methods to i...
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