Method for increasing differentiation rate and improving uprightness of buds of ipomoea batatas used as leaf vegetable in winter greenhouse
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, also known as Shu (Cui) Green No. 1, is a new variety of sweet potato for stem and leafy vegetables jointly bred by Jiangsu Xuzhou Institute of Agricultural Sciences and Zhejiang Academy of Agricultural Sciences. The growth potential is strong, the stem tip is prominent, the apex has teeth, no hair, and the leaves are small. The top leaves and leaves are light green, the veins, petioles, vein bases, handle bases, and stems are all green, and the plant type is semi-erect. 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 is 4.4cm long. Stem tip vegetables are fragrant and lubricated, without bitterness and astringency, and taste better than fungus vegetables and water spinach.
[0016] In view of the characteristics of Xu Caishu 1, such as strong growth potential, strong branching ability, short and thick internodes, and semi-erect plant type, the specific methods t...
Embodiment 2
[0024] Ningcaishu No. 2, the original line number Ningcai 4~2, was further screened, identified and cross-breeded by the Jiangsu Nanjing Institute of Agricultural Sciences for the main leaf vegetable varieties. It is a sweet potato variety for stem tip leafy vegetables with a refreshing taste. It passed the national variety identification in March 2012. It is characterized by vigorous growth of the aboveground part, many base branches, 10-12 branches per plant, and high yield; short vines are semi-erect, with long petioles, large leaves, heart-shaped leaves with teeth, and emerald green color after ripening; cold resistance Strong, suitable for growth in Jiangsu and northern regions, and can grow normally in sunlight greenhouses in winter. It is a new type of vegetable substitute for leafy vegetables suitable for green production.
[0025] According to the characteristics of long petiole, strong growth potential, and semi-erect plant type of Ningcaishu No. 2, the specific meth...
Embodiment 3
[0033] Fushu 7-6 was bred by the Crops Institute of Fujian Academy of Agricultural Sciences in 2003 through the "Baisheng" plan group, and passed the national variety identification in 2005. It is the first leaf vegetable in my country to pass the provincial and national identification Use new varieties of sweet potatoes. The plant type is short and semi-erect, with 8 to 10 branches per plant, heart-shaped leaves, and 74.4kg / time of leafy vegetable shoot tips per mu. Fresh and tender 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) basis) 0.06%. The plant type, leaf shape, color, growth and taste of Fushu 7-6 are very similar to fungus, and the color, aroma and taste of the stem tips are good after ripening.
[0034] In view of the relatively few side buds and relatively weak growth vigor of Fushu 7-6, the specific methods to improve the differ...
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