10-year-old researches of apple tree growth and productivity at rootstocks of a various growth vigour depending on a crowning type of a planting material | 10-летние исследования роста и продуктивности яблони на подвоях различной силы роста в зависимости от типа кронирования посадочного материала
2013
Ryabtseva, T.V., National Academy of Sciences. Scientific and Practical Center for Potato, Vegetable and Fruit Growing (Belarus). Institute for Fruit Growing
In the conditions of the Republic of Belarus there were presented the data on growth and productivity of the cultivars 'Antej' and 'Alesya' at the rootstocks of various growth vigour such as PB-4 (superdwarf) and 62-396 (dwarf) ones. The researches were made in the orchard planted in 2003 by a two-year-old planting material with seedlings of different crowning types in the nursery. The rootstocks growth vigour and variants of seedlings pruning have affected apple productivity. Apple trees productivity of both cultivars at the rootstock 62-396 was higher by 2-3 times than at the rootstock PB-4. The productivity and specific efficiency of a cross sectional area of a stem was higher at crowned trees of the cultivar 'Antej' while at the cultivar 'Alesya' it was higher at uncrowned ones. For establishing of intensive apple orchards by a two-year-old planting material for heavy branching cultivars with a ringed type of fructification it is preferable to use the seedlings crowned in the nursery at the height of 80 cm from a soil level. As for poor branching cultivars combining the II and III types of fructification it is better in this case to use uncrowned seedlings.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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