1. Agricultural control 1. Picking, pruning, and timely picking in Taiwan and Taiwan. Reasonable pruning and cutting can improve the air and light conditions in the tea garden and inhibit the occurrence of black locust and scale insects under conditions of hi or wet closure during the picking season. To harvest in batches and in multiple batches can reduce the risk of multiple dangerous pests such as aphids, small green leafhoppers, tea moths, tea aphids, tea orange aphids, and Lizard weevil; it can also deteriorate through picking. The nutritional conditions of these pests destroy the spawning sites of pests, and attention should be paid to the re-harvesting of the pests and strong harvesting. In case of spring and early spring, picking should be started early in the garden, and leaves should be kept as little as possible in summer and autumn. If there are many pests in the fall, the park can be postponed as soon as possible. 2. It is advisable to plow 1-2 times for plowing and soil preparation in summer and autumn. The severe land mass of Lizard's Weevil will be dumped once before the spring tea is mined, which will greatly reduce the occurrence of pests. Combined application of organic manure in winter for deep plowing of earth can cause overwintering pests in the soil surface and litter layers such as crickets, larvae, eggs and many pests of tea scales, flat moths, tea spot moths, tea leafworms, and tea whiskers. The pathogen is buried deep in the soil. At the same time, it is also possible to expose wintering pests such as earthworms and elephant larvae in the deep soil layer to the ground. It can cause death due to environmental discomfort or predation by natural enemies. Combine with proper suppression during soiling can cause mechanical death or infestation of the soil infested by insects. 3, rational planting open up new tea gardens need to use seedling-free seedlings, as far as possible clustered or strip planting methods, to avoid excessive close planting, in order to facilitate the creation of a good tea garden ecological environment. 4. The proper intercropping of organic tea gardens should prevent large-scale single planting in order to maintain rich natural vegetation and reduce the chance of major pests and diseases. However, in the serious tea plantations in the small green leafhoppers, the tea gardens should not be intercropped with legumes such as peanuts and pig kidney beans; the occurrence of Spodoptera litura should not be interspersed with sweet potatoes. 5, Rational fertilization application of organic nitrogen fertilizer can improve tea resistance to tea orange borer; lime is not conducive to the survival of thrips and leafhoppers; phosphate rock as top dressing, has killing effect on spider mites. Inappropriate fertilization can also cause paralysis of certain leaf-eating pests. In autumn and winter season, manure, manure, and cake fertilizers are used as basic fertilizers in order to conserve soil and cultivate strong trees. 6, diligent weeding ground except weeds, timely deep-buried can reduce pest damage. However, for weeds that eat mainly weeds or both weeds and tea trees, improper weeding will force them to harm the tea tree. For weeds in tea gardens, artificial weeding can be used. As for weeds, weeds do not need to be weeded. Keeping a certain amount of weeds is good for natural enemies, regulating tea garden microclimate, and improving the ecological environment. 7, other agricultural measures to remove debris in time to reduce the insect source, timely irrigation, drainage can quickly change the environmental conditions in the field and can also treat certain pests. Second, biological control 1, the protection of natural enemies resources protection methods are varied, combined with agricultural measures to protect, such as pruning, Taiwan under the branches and leaves, can be piled in the vicinity of the tea plantation, in order to facilitate the defection of the natural enemies tea garden; artificial removal of the eggs, insects There are many natural enemies parasitizing parasites. They should be placed in altars and quails that are surrounded by water and treated with parasitoids and parasitic fly feathers before they fly out. Spiders are collected to release pests in organic tea gardens. Artificial nestboxes are used to attract beneficial birds to feed tea garden pests; to protect cockroaches and frogs, and to protect chickens and ducks against tea silkworms. Tea tree pruning on tea plantations and tea leaves on Taiwan's ancestors are first concentrated near the tea gardens, allowing natural enemies to fly back to the tea plantation and then processing them. 2. The breeding, releasing, and introducing of natural enemies are not enough for the natural control of local natural enemies, especially in the early stage of pests. Through artificial breeding and natural enemies, good control effects can be achieved. Such as tea feet, cashmere bees, Trichogramma, grasshoppers, insectivore ladybugs and farm bees, predators (such as vegetable locusts, big red peony). Can also introduce natural enemies, including international introduction and domestic migration and near-ground migration. 3. The development and use of biological agents such as Bacillus thuringiensis preparations and virus preparations to control Lepidoptera pests such as Chaga, Tea caterpillars, Black-sucking Moth, etc., Beauveria bassiana in prevention and treatment of tea leaf and leafhoppers, control of fungal preparations Black locust whitefly; In addition, it can multiply pathogenic microorganisms, and processed into biological pesticides to use. Third, physical and mechanical control of physical and mechanical control that is the use of various physical factors, artificial or instrumental methods to control pests. Including the simplest manual hunting, trapping, killing pests directly or indirectly; destroying the normal physiological activities of pests, and changing environmental conditions make pests unacceptable and tolerant. Physical and mechanical control can be used both to prevent pests and as an emergency measure when pests have already occurred. China Agricultural Network Editor
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