STUDY OF THE ROLE OF PERSPECTIVE TYPES OF ENTOMOPHAGES IN AGROBIOCENOSIS OF DAGESTAN
2017
B. U. Misrieva | M. M. Shamsudinova
The study of the natural potential of density regulators of pests – such as entomophages and predators is interesting from both an environmental and an economic aspect. Fauna of most species and the degree of their effectiveness in the regional level have been little studied to date. Development of integrated plant protection involves the gradual replacement of highly toxic pesticides by biological means of plant protection, which is based on parasitoids and predators. The results of the study on faunal parasitoids of phytophagous in southern Dagestan are presented in the article, where their efficacies and survival under pesticide treatments have been also shown. As a result of research, the most resistant to the toxic chemicals was phase of Dibrachys cavus Walk. For the first time the information on the ratio among species (phytophage to entomophage) was given in the conditions of Dagestan, where regulatory function of the species in agrobiocenosis and their morphological descriptions were given as well. Species composition of the insect fauna and the dynamic of number of most spread ones were determined on the basis of systematic records in stationary areas according to the methods developed by G.E. Osmolovsky (1964), Paly V.F. (1966, 1970) and Fasulati S.R., (1971) et al. Identification of the species was performed according to identification guide by O.L. Kryzhanovsky (1974). The results are interesting to optimize the methods that can be used to protect the grapes from the most dangerous herbivores.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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