Hello everyone, the topic I will share with you today is: the management of tea trees: the types, hazards and control methods of two common pests!
Planting tea trees is not a simple event, in the management of tea plants, there will often be many problems, the result of these problems is to make the yield and quality of tea trees greatly reduced, only by dealing with these problems well, can we ensure the yield of tea trees and improve the quality of fresh leaves.
There are many kinds of factors that threaten the health of tea plants, insect pests are one of the most serious, which also makes people pay enough attention to it, there are many kinds of pests in tea gardens, and the degree of harm caused to tea plants is also different, today I will introduce two common pests to you, as well as their harm and control methods!
First, the false-eyed small green leafhopper
False-eyed small green leafhopper It is a common pest, Normal growth of its body length of 3.1 to 3.8 mm, the front of the crown has a green halo, the middle of the two single light-colored small spots, the front chest back plate has yellow-white spots, the whole is yellow-green, this pest generally when the temperature reaches fifteen degrees Celsius, they begin to wake up, feed, and breed particularly fast, every half month to a month, you can breed a generation, until the temperature drops in November, if the artificial management, the consequences are very terrible.
Harm to tea plants
False-eyed small green leafhopper their foraging object is the tea tree, they attach to the tea or seedlings, the sap of its bud leaves are extracted, the extracted bud leaves will usually become buds and leaves curled, hardened, tea leaves stop growing, serious words will also complete the wilting of branches, resulting in a serious decline in yield, you can imagine, its impact on the tea garden is how big!
Prevention and control methods
1, strengthen the management of tea gardens, timely weeding: this step is generally carried out after autumn, clear weeds can effectively control the prosthetic eye small green leafhoppers in the tea garden weeds overwintering, reduce the number of pests in the year, so as to achieve the purpose of eliminating them.
2, picking and killing insects: This method is to pick the tea leaves in batches when people pick the tea leaves, and the branches that have a large number of insect eggs are removed from the tea factory to deal with them, and the eggs are successfully produced to produce larvae.
3, the use of insecticides: the use of insecticides is a last resort to choose, when the number of pests in the tea garden is too large, difficult to remove, you can use insecticides to kill, the best time to apply is before the peak of the number of pests before the arrival.
2. Tea aphids
Tea aphid in its life its form has many kinds, from insect eggs to winged aphids to winged aphids and wingless aphids, to most of them are light brown or black, this pest is especially common in Anhui, its reproductive speed is very fast, up to twenty-five times a year, that is to say, there are twenty-five generations of descendants a year, how terrifying this speed is, and the reproductive speed is related to temperature, generally around May and late September, the fastest reproduction speed, like humidity in places, so it is necessary to prevent and control in time, and the consequences are unimaginable!
Tea aphids are also to suck the juice in the bud leaves for a living, after they suck the bud leaves will appear atrophy, stop growing and other symptoms, and their excrement will also induce tea coal disease, tea coal disease can not be found when picking, but after stir-frying, the tea tea tea color is dull, the tea soup is turbid and cut with a fishy smell, which has a serious impact on the quality of the tea.
1, timely picking: This pest hunting object is mainly the fresh bud leaves of tea plants, so everyone should pick the tea leaves in time, which can effectively reduce their reproductive speed.
2, biological control: after investigation, the natural enemies of tea aphids are ladybirds, grass worms, aphid cocoon bees, etc., we can pin these natural enemies to tea gardens with serious tea aphids, biological control, and reduce the amount of pesticides!
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