Abstract
Plum moth Grapholita funebrana Tr. is a dominating pest in entomological complex of plum production in the south of Russia. The yield`s loss caused by it can reach 60-70 %. In the modern plant protection systems Insegar, VDG (250 g/kg fenoxycarb) is most commonly used for control of the pest`s number. Its use helps to save up to 98.5-99.8 % of the fruit. The aim of the research was to study fenoxycarb`s effect on quality, productive capacity and food safety of Kabardinskaya rannyaya cultivar of the plum. It was found that double use of the insecticide doesn`t lead to significant difference in the content of organic acids and dry substances. However, it encourages the increase of the leaf`s surface by 4-10 sm2 and annual additional growth of the plant by 6-52 sm in comparison to the control. It was established that fenoxycarb is completely decomposed at the end of the “Waiting period”.
Highlights
In plum agrocenoses of the south of Russia, crop loss caused by the plum codling moth Grapholita funebrana Tr. can reach 60-70 %
In foreign and Russian scientific literature there is some information about the products biological effectiveness in G. funebrana Tr. control
On the average in the course of three years’ research, it was found that when insect growth regulator (IGR) is used, it does not lead to significant differences in the content of organic acids, dry and mineral substances in plum fruits in comparison with the control (Figure 2)
Summary
In plum agrocenoses of the south of Russia, crop loss caused by the plum codling moth Grapholita funebrana Tr. can reach 60-70 %. For control of the phytophages number in modern plant protection systems Insegar, VDG (250 g/kg fenoxycarb) of insecticidesclass of juvenoids, is most often used. In foreign and Russian scientific literature there is some information about the products biological effectiveness in G. funebrana Tr. control. There is no data on the insecticides effect on the protected plant. The aim of the study was to study the effect of fenoxycarb on the quality, productivity and food safety of early Kabardinskaya rannyaya plum. From scientific literature it is known that by actions mechanism fenoxycarb (C17H19NO4) is classified as an insect growth regulator (IGR), and belongs to the carbamatesclass of insecticides and is used for control of lepidopteran pests. Fenoxycarb provokes a halt in embryonic development, which causes the eggs death and does not allow to start molting and metamorphosis into an adult insect processes [1, 2, 3, 4, 5]
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