Pear clonal rootstocks propagation in condition of western forest-steppe zone of Ukraine

Visnyk LNAU: Agronomy 2018 №22(2): 83-86

Pear clonal rootstocks propagation in condition of Western Forest-Steppe zone of Ukraine

Hulko V., Candidate of Agricultural Sciences
Hulko B., Candidate of Agricultural Sciences
Lviv National Agrarian University


The most common pear rootstocks in ukrainian horticulture are different pear seedlings and well known quince MA, which does not meet todays requirements for pear rootstocks. The main stream of pear production intensification is establishing of new precocious, heavy cropping and easy to grow dwarfing and semi dwarfing orchards which should provide good productivity of high quality pears. The basic element for such orchard is low vigour rootstocks and demand for such rootstocks, as well as nursery trees on them, is constantly rising. Breeding programs of pear rootstocks in many countries constantly releasing a new types which must be tested for local ukrainian conditions to find the most suitable for further production.

The article presents a results of three year researches on 10 different types of quince: A, provence, S1, 4-6, BA-29, Cydo, Adams, C, propagated in stoolbed in conditions of Western Forest-Steppe Zone of Ukraine. Along the research programme we have studied their winter hardiness, growth features, ability to vegetative propagation by vertical layers. Rootstocks of quince BA-29, provence, IS 2/10 and S1showed better ability to promote a new roots on vertical layers. Rootstocks of quince S1 and IS 2/10 had less lateral branches, comparing to other quince types in our test. The most vigorous, among the other quince types, were quince Y, BA-29, provence and IS 2/10. After all data was analyzed by the combination of positive features, we have select the best quince types such as: IS 2-10, provence, S1 andВА-29 which showed much better productivity and growth habits than standard quince A.

Key words

pear, clonal rootstocks, quince, propagation, stoolbed, productivity, winter hardiness, lateral branches, vigour

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