As winter approaches, most flowers and pests will gradually enter the overwintering state. During this period, various pests are basically inactive and their mobility is small, which is a good season for prevention and control. Practice has proved that if the prevention and control measures are effective in the winter, the incidence and harm of the diseases and insects in the coming year can be greatly reduced, and the effect of doing more with half the effort can be achieved.
The pathogens (bacteria) or overwintering eggs of most flower pests and diseases in the garden are overwintering in the litter and weeds in the garden, and will be released when conditions are favorable in the coming year. Therefore, the removal and destruction of litter and weeds in the garden during the winter season will improve the sanitation and greatly reduce the sources of various diseases and insect pests. This has significant effects on the prevention and control of rose, rose, chrysanthemum, peony, sea lice and alfalfa, willow and other anthracnose, powdery mildew, rust, red spider, and moth.
Cutting off diseased branches during winter pruning is one of the important aspects of garden management. With winter pruning, emphasis is placed on removing the leaves with pests. Such as yellow thorns, roses and other flowers on the eggs, cockroaches, willow, poplar and shrub on the scales. The branches and leaves of the cut off pests should be cleared in time and transported out of the garden for centralized treatment.
Winter plowing, deep plowing, winter plowing and deep plowing can cause mechanical damage to larvae, earthworms, eggs, etc. of subterranean pests such as earthworms, earthworms, cockroaches, and golden beetles that are lurking in the soil. After exposure to the surface, they can be used as birds, etc. Natural enemies feed on food, and if necessary, they can also use manual killing.
Whitening and whitening of the coated white can not only effectively prevent and control the freezing damage and sunburn of the flowers and trees in winter, but also increase the disease resistance of the flowers and trees. It can also destroy the wintering sites of the pests and play a dual role in preventing freezing and killing insects. In particular, it is particularly good for wintering barks and cockroaches in the bark. Commonly used whitening and formulas are: 5 kg of quicklime, 0.2 kg of lime sulfur stock solution, 0.3 kg of salt, lard (also with other animal and vegetable oils) 0.2 kg, and water 17 kg. Preparation method: first open the lime and salt with water, then add the lard and lime sulfur stock solution and stir it evenly. Special attention: lime must be fully dissolved, or painted on the branches and flowers easily cause burns.
Drug control Because of various dormant diseases in winter, for those pests that are not easily controlled during the season, winter drug control measures can be used. Such as 50 to 100 times the oil emulsion spray can control scale insects, with 800 times the liquid omethoate oxidized by 4 kg per square meter can prevent chrysanthemum thin mosquitoes, late winter spray 1% Bordeaux mixture 2 to 3 times Can play a good role in prevention and treatment of pear rust, rose black spot and other diseases.
Wolfberry Juice Vermicelli Bag
Wolfberry Juice Vermicelli Bag,Wolfberry Juice Vermicelli Plastic Bag
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