Influence of foliar treatments with microfertilizer Nanoplant Ca-Si on weight and shelf life of blueberry
Abstract
Field tests of the Nanoplant Ca-Si microfertilizer, carried out on 7 varieties of blueberry, have established that the new nitrogen-free calcium-containing preparation based on nanoparticles of micronutrients compounds exhibits high biological effectiveness at low doses of the preparation (CaO consumption is 330–500 g/ha per season at normal consumption rate of 42 g/ha CaO per treatment), which is 4–6 times less compared to the consumption rate of European equivalents. This opens up an opportunity of an economically justifiable increase in the frequency of treatments, which makes it possible to address the constant need of plants for calcium throughout the entire season – starting from bud swelling to mass fruiting period. The use of Nanoplant Ca-Si provides a stable substantial increase in the values of a range of key production-related indicators of blueberry: average weight and storage time at a temperature of (4 ± 1) °C. It was shown that the effectiveness of the new microfertilizer was especially pronounced in difficult weather conditions of the 2023 growing season, which led to a significant reduction in the shelf life of the crop in the control variant. The application of Nanoplant Ca-Si has doubled the shelf life of berries, which indicates the anti-stress effect of the new microfertilizer and justifies the feasibility of its use on blueberry plants not only as a source of calcium, but also as an adaptogen under unfavorable weather conditions.
About the Authors
T. V. Kurlovich
ГНУ «Центральный ботанический сад Национальной академии наук Беларуси»
Belarus
Belarus
S. G. Azizbekyan
ГНУ «Институт физико-органической химии Национальной академии наук Беларуси»
Belarus
Belarus
V. L. Filipenya
ГНУ «Центральный ботанический сад Национальной академии наук Беларуси»
Belarus
Belarus
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Review
For citations:
Kurlovich T.V., Azizbekyan S.G., Filipenya V.L. Influence of foliar treatments with microfertilizer Nanoplant Ca-Si on weight and shelf life of blueberry. Fruit Growing. 2024;36:106-110. (In Russ.)
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