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0223U005070,
0121U107956
,
Research of biological features and determination of species of cicadas (Cicadinea) and their harmfulness on vineyards of the South of Ukraine
Baranets Liudmyla О., Кандидат сільськогосподарських наук
13-12-2023
National Research Center "VE Tairov Institute of Viticulture and Enology"
It has been reliably established that the decrease in the number of Japanese grape leafhoppers has a positive effect on the productivity of the grape plant. The growth of one-year-old vines increases by 8 cm, the maturation of shoots improves by 16.2%, the total area of the leaf surface of the grape bush increases by 0.4 m2, and the net productivity of photosynthesis increases by 1.24 times. The productivity of shoots also increased - by 1.2 times, the photosynthetic potential - by 20.3%, the specific economic productivity of bushes - by 1.3 g/m2, the economic yield increased - by 1.3 times, the biological yield - by 1.4 times and the efficiency factor of the formation of the economic part of the harvest increased by 17.1%. All this makes it possible to obtain a high yield of grapes of good quality. Compared to the control, the average weight of the bunch increased by 1.2 times, the yield from the bush - by 1.4 times, the concentration of sugar in the juice of berries - by 1.3 g/100 cm3, titrated acidity decreased by 0.4 g/dm3. KEY WORDS: grape plantations, different varieties of grapes, suborder cycads (Cicadinea), Japanese vine leafhopper (Arboridia kakogawana Mats), distribution of leafhoppers, number of leafhoppers, susceptibility of varieties, entomophages, technical efficiency of insecticides.
Baranez Lyudmila O.
Leshchenko Alla O
Mezernyuk Taras M
Mulyukina Nina Anatoliyivna
Perepelytsia Olga O
2023-12-13
Updated: 2025-12-07
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