It is necessary to prevent the tea tree from "budding" after autumn.
The standing bud of tea tree refers to the phenomenon that the tea bud is not easy to grow, or the germination is delayed and the germination rate is low, and the new shoot is too small. When the tea plant sprouts, it is very conducive to the flower bud differentiation of the tea plant, resulting in a large number of camellias blooming from the end of October to the middle of November, which directly affects the growth of tea in the coming year and accelerates the aging of the tree. Therefore, it is very important to prevent the budding of tea trees.
In order to prevent tea sprouting, the soil of tea garden should be fully ploughed into 3~5cm depth in summer and autumn, so as to cut off soil capillaries and help to maintain soil moisture. Or cover the 3~5cm straw between the tea rows to preserve moisture and lower the soil temperature. If the tea tree has budded, it should be combined with irrigation to regulate soil and air humidity. At the same time, 0.005% "920" plus 0.8% urea aqueous solution was immediately mixed and sprayed evenly on the leaves and tea buds, and the standing buds could be released after 2-3 days.
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Effect of Wet damage on the growth and Development of Tea Plant
Tea trees require moist air conditions, but they are not resistant to excessive soil moisture. Excessive soil moisture and even stagnant water on the ground hindered the respiration of roots and reduced the ability of absorbing water and fertilizer, which seriously affected the growth of bud leaves and reduced the yield and quality of fresh leaves. When the root is asphyxiated seriously, the anaerobic microorganisms are active, and organic acids are produced to poison the tea root system, resulting in peeling, necrosis and decay. The wet damage of tea plant is shown as follows: few absorbing roots, short lateral roots, shallow root layer, and some lateral roots extend horizontally or even upward instead of downward. Suffer severely
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Qingfeng (tea tree)
Breeding unit: tea Research Institute of Hangzhou City, Zhejiang Province. Examination and approval: in 1987, Zhejiang crop Variety approval Committee confirmed that it was approved by the National crop Variety approval Committee in 1995. Variety registration number: GS13010-1994. Variety source: from the natural hybrid offspring of Fuding Dabai tea and Yunnan big leaf species, it was selected by single plant. Characteristics: it belongs to the middle leaf of small tree type, the tree posture is semi-spreading, the branch density is medium, the growth is vigorous, and the leaves are oval.
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