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Natural enemies is an important part of the biological control of pests. Panoramic view of the history of biological control of pests in the world, trichogramma are modern agriculture, forestry and the longest in the history of biological control of pests, applying the broadest, largest and Osamu best control for a class of natural enemy insects. Taxonomic study on the genus study on the biological control of pests in the world, the most widely used type of egg up to parasitic enemies, widely used for controlling maize, rice, cotton, vegetables, and forest pests. Many scholars at home and abroad for their biological and ecological characteristics of a large number of basic research, laying a theoretical foundation for application trichogramma controlling pests in agriculture and forestry.
Leader leaf moth (Spilonota lechriaspis Meyrick) for Apple are important pests in fruit trees. Shoot great harm to fruit trees. In recent years about the comprehensive treatment of biological control of pests, insecticide resistance development and governance, such as, has made a large number of both typical and universal significance of the research results. Controlling leaf rollers on Leader rely mainly on the effects of chemical pesticides. But a huge amount of leaf rollers on cost control and top tip resistance of high growth, so that their work prospects. At present, the Leader of leaf rollers on existing pesticides has had a different level of resistance. Emergence of resistance, chemical control of eco-environment problems and the failure of consideration, more and more researchers around the world are looking for comprehensive management of leaf rollers on effective Leader and new approaches to non-chemical control.

In many follows, different follows foliaceous moth to top tip differences between the parasitic effectiveness. In top tip follows control foliaceous moth practical application, the types and release follows the density on the control effect buzzers influential. Density is too small, cannot achieve ideal control effects of excessive, can produce the density of waste increase costs. So it is necessary to select fine bees and research such a reasonable density follows. This thesis on this idea and research is conducted on the basis of research on top of, follows seeketh foliaceous moth eggs and meters the moth eggs selectivity and selective parasitic effectiveness of top tip, foliaceous moth parasitic efficiency high in different than follows on PE against top tip foliaceous moth eggs, through the parasitic rate follows merely foliaceous moth parasitic top tip for the eggs, the ability to choose the best benefit release follows on this than provides the basis.

Natural enemies is an important part of the biological control of pests. Panoramic view of the history of biological control of pests in the world, trichogramma are modern agriculture, forestry and the longest in the history of biological control of pests, applying the broadest, largest and Osamu best control for a class of natural enemy insects. Taxonomic study on the genus study on the biological control of pests in the world, the most widely used type of egg up to parasitic enemies, widely used for controlling maize, rice, cotton, vegetables, and forest pests. Many scholars at home and abroad for their biological and ecological characteristics of a large number of basic research, laying a theoretical foundation for application trichogramma controlling pests in agriculture and forestry.
Leader leaf moth (Spilonota lechriaspis Meyrick) for Apple are important pests in fruit trees. Shoot great harm to fruit trees. In recent years about the comprehensive treatment of biological control of pests, insecticide resistance development and governance, such as, has made a large number of both typical and universal significance of the research results. Controlling leaf rollers on Leader rely mainly on the effects of chemical pesticides. But a huge amount of leaf rollers on cost control and top tip resistance of high growth, so that their work prospects. At present, the Leader of leaf rollers on existing pesticides has had a different level of resistance. Emergence of resistance, chemical control of eco-environment problems and the failure of consideration, more and more researchers around the world are looking for comprehensive management of leaf rollers on effective Leader and new approaches to non-chemical control.
In the many trichogramma, different trichogramma parasitic on leaf rollers on Leader efficiency differences. In trichogramma control Leader in the practical application of leaf rollers, trichogramma species and releasing a swarm of density on control effect of exert a considerable influence. Density is too small, you cannot achieve the desired effect, density is too large will produce waste, increases cost. It was necessary to filter good bee species, and research on this species of trichogramma reasonable density. This papers this thought and research of Foundation Shang for, research multiple trichogramma on top shoots volume leaves moth eggs and m moth eggs of non-selective and selective of parasitic effectiveness, research on top shoots volume leaves moth parasitic effectiveness high of trichogramma in different Yi damage than Xia on top shoots volume leaves moth eggs of parasitic rate, by on single trichogramma parasitic top shoots volume leaves moth eggs ability of research, for field release the species trichogramma select best Yi damage than provides pursuant to 益害比

Natural enemies is an important part of the biological control of pests. Panoramic view of the history of biological control of pests in the world, trichogramma are modern agriculture, forestry and the longest in the history of biological control of pests, applying the broadest, largest and Osamu best control for a class of natural enemy insects. Taxonomic study on the genus study on the biological control of pests in the world, the most widely used type of egg up to parasitic enemies, widely used for controlling maize, rice, cotton, vegetables, and forest pests. Many scholars at home and abroad for their biological and ecological characteristics of a large number of basic research, laying a theoretical foundation for application trichogramma controlling pests in agriculture and forestry.
Leader leaf moth (Spilonota lechriaspis Meyrick) for Apple are important pests in fruit trees. Shoot great harm to fruit trees. In recent years about the comprehensive treatment of biological control of pests, insecticide resistance development and governance, such as, has made a large number of both typical and universal significance of the research results. Controlling leaf rollers on Leader rely mainly on the effects of chemical pesticides. But a huge amount of leaf rollers on cost control and top tip resistance of high growth, so that their work prospects. At present, the Leader of leaf rollers on existing pesticides has had a different level of resistance. Emergence of resistance, chemical control of eco-environment problems and the failure of consideration, more and more researchers around the world are looking for comprehensive management of leaf rollers on effective Leader and new approaches to non-chemical control.
In the many trichogramma, different trichogramma parasitic on leaf rollers on Leader efficiency differences. In trichogramma control Leader in the practical application of leaf rollers, trichogramma species and releasing a swarm of density on control effect of exert a considerable influence. Density is too small, you cannot achieve the desired effect, density is too large will produce waste, increases cost. It was necessary to filter good bee species, and research on this species of trichogramma reasonable density. This papers this thought and research of Foundation Shang for, research multiple trichogramma on top shoots volume leaves moth eggs and m moth eggs of non-selective and selective of parasitic effectiveness, research on top shoots volume leaves moth parasitic effectiveness high of trichogramma in different Yi damage than Xia on top shoots volume leaves moth eggs of parasitic rate, by on single trichogramma parasitic top shoots volume leaves moth eggs ability of research, for field release the species trichogramma select best Yi damage than provides pursuant to

Parasitoid insects are an important part of the biological control pests. Throughout the world, biological control of pest modern history follows agriculture pest.all the biological control research history longest, application and most extensive, prevention, cure the largest area of best bug effect a parasitoid insects. Follows the biological control of is the pests in most, the most widely studied a kind of egg parasitoids, widely used in prevention maize, rice, cotton, vegetables and the forest pest. Many scholars at home and abroad for its biology and ecology characteristics of basic research carried out for application, forestry pests prevention follows laid a theoretical basis.
Top tip Spilonota lechriaspis foliaceous moth (Meyrick) for apple trees of various important pests. The new shoots of fruit has great harm. In recent years about the bug's biological control, fungicide resistance development and governance, general management have made lots of both typical and research achievements of general significance. Prevention top tip foliaceous moth mainly depends on the use of chemical pesticides. But huge control cost and top tip growth foliaceous moth, make its resistance to prevention and control work prospects. At present, the top tip for almost existing foliaceous moth produces the insecticide resistance of different degrees. Resistance of generation, chemical control failure of ecological environment problems and the consideration, worldwide more and more researchers are looking for effective top tip comprehensive foliaceous moth and a new way of chemical prevention and control.
In many follows, different follows foliaceous moth to top tip differences between the parasitic effectiveness. In top tip follows control foliaceous moth practical application, the types and release follows the density on the control effect buzzers influential. Density is too small, cannot achieve ideal control effects of excessive, can produce the density of waste increase costs. So it is necessary to select fine bees and research such a reasonable density follows. This thesis on this idea and research is conducted on the basis of research on top of, follows seeketh foliaceous moth eggs and meters the moth eggs selectivity and selective parasitic effectiveness of top tip, foliaceous moth parasitic efficiency high in different than follows on PE against top tip foliaceous moth eggs, through the parasitic rate follows merely foliaceous moth parasitic top tip for the eggs, the ability to choose the best benefit release follows on this than provides the basis.