The integrated pear donors with monogenic determined stunt

Development of low-growing varieties is one of the prioritized directions in groups selection. Solution of excessive growth in the selection can be solved in today’s conditions by two means: on a polygenic and on a monogenic level. Up until recently such work was performed by research institutes of horticulture in the U.S.S.R. and Russian Federation only on the polygenic level. The analysis is performed for the data of 17 summer studies on the development of complex donors of monogenic determined dwarfness (gene D), high winter hardiness, group fungal disease resistance (scab, leaf spot and Septoria blight) and bright red coloration of pear fruits (gene C). On the first stage of these studies the issue of the development of population of hybrid dwarf types with high adaptive potential in the conditions of the Central Black Earth region of Russia was solved based on a hybridization of the donors of high winter hardiness and fungal disease resistance with the donors of monogenic determined dwarfness which were the descendants of 4th generation of the NainVert variety. As a result, several complex donors were selected. Its use in long-term pear selection programs would make sorting process possible on earlier stages of the ontogenesis and thanks to that would make it possible to halve the size of hybrid funds. Brief description of the complex donors is given.

Keywords

monogenic deterministic dwarfism, complex donors, pear

Received

28.09.2018

Publication date

01.10.2018

Number of characters

1277

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GOST	Dolmatov E., Khrykina T. The integrated pear donors with monogenic determined stunt // Vestnik of The Russian agricultural science – 2018. – №4-2018 C. 17-18 [Electronic resource]. URL: http://ras.jes.su/vrsn/s207987840000165-0-2-en (circulation date: 29.04.2024). DOI: 10.30850/vrsn/2018/4/17
MLA	Dolmatov, E., Khrykina, T. "The integrated pear donors with monogenic determined stunt." Vestnik of The Russian agricultural science 4 (2018):17-18. DOI: 10.30850/vrsn/2018/4/17
APA	Dolmatov E., Khrykina T. (2018). The integrated pear donors with monogenic determined stunt. Vestnik of The Russian agricultural science (4), pp.17-18 DOI: 10.30850/vrsn/2018/4/17

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