Agriculture and forestry

Blystiv Vasyl Ivanovych – PhD of Agricultural Sciences, Director of the state organization «Ukrainian Forest Breeding Center», (st. Lisodoslidna, 14, Boyarka, 08150, Ukraine. email: ukr_dli@ukr.net).

Yurkiv Zinovy Myronovych − corresponding member of the Forestry Academy of sciences of Ukraine, PhD of Agricultural Sciences, Head of aseparate department «Vinnytsia Forest Seed Laboratory», (Pugachova Lane, 16, Vinnytsia, 21008, Ukraine. e-mail: VDZLI@ukr.net).

Neiko Igor Stepanovych – Doctor of Аgricultural sciences, senior researcher of the SE «Vinnytsia Forest Research Station»

Matusiak Mikhailo Vasylovych – PhD of Agricultural Sciences, associate professor of the Department of Forestry, Landscape Gardening, Horticulture and Viticulture of Vinnytsia National Agrarian University (21008, Vinnytsya, Solnyschaya st. 3. e-mail: mikhailo1988@gmail.com).

As a result of the research, it was established that as of 2021, 126 oak trees, 5 European larch trees, and 2 European spruce trees have been entered into the state register in the Vinnytsia region. It was determined that, on average, the potential seed collection for common and northern oak is: 400-700 kg/ha, black walnut – 600-800 kg/ha, broad-leaved linden – 80-160 kg/ha, edible chestnut – 400-700 kg/ha. It was established that the total number of LGR entered in the Register is 46 plots with a total area of 1,286 hectares. According to the results obtained in 2020 and 2021, about 8,000 kg of seeds were harvested in the plantations of the LHR, which is 6 % of the total harvest of acorns in the region. In 2021, an inventory of 133 positive trees selected in the Vinnytsia region was carried out. In terms of the main tree species, these are: oak trees – 126 pcs., European larch – 5 pcs., European spruce – 2 pcs. The average age of plus trees is 88-131 years. It was determined that the area of LPN of common oak in Vinnytsia region is 530.3 ha. The average age of the plantations is 77 years. According to the received tabular data, it was established that the largest areas of LNP are represented by common oak – 57.6 hectares out of 63.1 hectares. It should be noted that in this case, the number and area of LNP, which entered the fruiting period and were certified, are given. In the conditions of Vinnytsia, the PLNB also includes a pine plantation and three European larch plantations, the area of which is 1.0 ha and 3.0 ha, respectively. As a result of the last inventory, it was established that the total number of permanent forest seed plots is 116, the area of which is 1225.2 ha. The largest number and the corresponding area occupied by the PLAND of ordinary oak is, respectively, 87 pcs. and 1115.5 ha. As a result of the conducted scientific research, Scots pine, Pallas pine, rock oak, European larch, Menzies pseudotsuga, Weymouth pine, and chestnut oak are not used for the collection of PLND seeds. 21 % of the total number of PLNDs of common oak, 15 % of red oak, 8 % of black walnut require selective care and other care. After analyzing the selection structure and condition of the Weymouth pine trees (SE «Vinnytske LG», Ivanivsk L-vo, passport No. 4, square 30, view 16, area 1.0 ha, age 113 years, certified in 1965) on the PLND was an unsatisfactory selection structure and condition of the specified trees was established.

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