Study of biomorphological features of tulips (Tulipa L.) in the forcing crop

Relevance. Morphological features of 10 sorts of tulips in the conditions of early-spring forcing explored. An assessment of the influence of tulip bulb preplanting on the rate of plant growth and development as well as final product yield (cut flowers) taken. Material and methods. 10 varieties of tulips of early and middle-early flowering period: Algarve (DHT), Аvocado (TT), Crispion Sweet (FT), Davenport (FT), Destination (TT), Double Price (DVT), Luba (TT), Surrender (TT), Largo (DVT) и Snowboard (TT) were selected as objects of study. Country of origin - Netherlands. Before planting one part of tulip bulbs were completely peeled of cover scale and the other part were left unpeeled. Each variant of bulb preparation for bedding were evaluated by growth and development rate of plants, as well as the number of cut flowers on the plot. During the growing season, we studied the following morphological characteristics: plant height, flower diameter, flower height, number of leaves. Results. Studies conducted have found that all varieties under research are suitable to early spring forcing and they differ in decorativeness and fully correspond to saleable quality standards. It was found out that in case of complete removing of cover scale, the tulip bulbs root faster, start to bloom faster and give much higher percentage of flowering plants in the plots in comparison with unpeeled samples