Improvement of technological methods of production and cultivation of grafted grape seedlings

At present time, there is a steady trend of expanding the area grape plantations in Russian Federation. The revival industry caused by number problems, one which lack high-quality planting material. purchase imported seedlings not universal way satisfying vineyards seedlings, due to inability clone varieties soil and climatic conditions growing regions That why it necessary increase yield local table technical varieties. paper presents results studying duration substrate used for them. It was found that optimal composition grafted vegetative combination sawdust + glauconite sand bentonite clay (in ratio 1:1:1) with time 60 days. With this method cultivation, first-class 51.2%. generally accepted production 40-45 days, provides at level 35.4-39.6%, lower than best variant experiment 11.6-15.8%.