Main premises for making of biologic plum production

Nikolina Marinova, Darina Ivanova, Ivanka Vitanova, Stela Dimkova, Silvena Todorova

Abstract: The development of the fruit growing is closely connected with applying of technologies for a biologic fruit production. The basic premise is a choice of plum cultivar resistant or tolerant to Plum pox virus and other important economic diseases. For biologic production are suitable the Bulgarian plum cultivars Gabrovska, Nevena, Strinava, Guliaeva and Balvanska slava, selected in the Plum Experimental Station in the town of Dryanovo, and the introduced cultivars Althan’s Gage, Pacific, Stanley and Mirabell de Nansy. On the base of the agrotechnic experiments it recommends a manure by 60 t/ha in time of three years. It is necessary an applying of green manure of the plum orchards. Suitable cultures for green manure are the winter forage peas and the peas-rye mix, what are with autumn sowing time and plough in the spring and successfully grow and on the areas without irrigation.

Keywords: cultivars; diseases; organic fertilization; plum; yield

Date published: 2017-07-07