GIBBERELLINS INFLUENCE ON SWEET CHERRY APOMIXIS

Abstract

Solving o f the regular fructification problem in the way o f creating self-fruitful varieties, gives an opportunities to achieve sweet cherry fruits, fruit set o f which low or in some case independent o f pollination. To settle the self-fruitful o f studying sweet cherry varieties used individual isolation made o f agrofibre. Also it was made research o f Gibberellins influence (50mg/l) on capability to fruit set in self-fruitless and partially self-fruitful varieties. As the result o f research duke Ivanivna shown high capability to fruit set via the apomixis - 60,42 %. It is 10 % higher than via free pollination. About 26,28-37,5 % o f apomictic fruit set could be achieved by using Gibberellin. As an addition it increases content o f P-active substance and anthocyanins in fruits, what increases their therapeutic and prophylactic features. It gives an opportunities to create one-variety sweet cherry planting depending whether it self-fruitful or self-fruitless, and weather it fits to the growing land or not.