RESISTANCE OF POTATO HYBRIDS FROM THE SECOND TUBER GENERATION TO THE LOCAL POPULATION OF PHYTOPHTHORA INFESTANS (MONT.) DE BARY AND SELECTION OF ADVANCED CLONES
https://doi.org/10.30901/2227-8834-2018-2-151-158
Abstract
Interspecific potato hybrids of various origins were analysed in the field under a strong Phytophthora infestans (Mont.) de Bary invasion in the epidemic 2016 and 2017 seasons for foliar and tuber resistance to late blight. Clones of the second generation were assessed for their productivity and tuber quality. Genotypes with the highest resistance to late blight were selected within the populations derived from the following cross combinations: 'Svitanok Kievsky' x 96133/16, 9451/9 x 94110/8, 943/6 x 'Gitte', 9685/1 x 943/9, 'Sudarynya' x 9674/38, 'Charodey' x 943/9, 'Skarb' x 94155/1, 'Charodey' x 91102/12 as well as in the progeny obtained after self-pollination of the varieties: 'Udacha', 'Charodey', 'Bravo', 'Amur', 'Vektar', 'Cortney', 'Yanka', 'Zhuravinka', 'Frittella', 'Real', 'Matushka', 'Irbitsky', and accessions K-22890, 28- 06 and 85-06. Analysis of late blight resistance at early stages of the breeding process increases informativity and helps to identify promising accessions with different field resistance levels and a set of economically valuable traits. As a result of this research, genotypes with increased productivity and good table quality of tubers were selected among the material possessing high and medium resistance to the pathogen. Original hybrids will be used as source material in the breeding programs targeted at the development of cultivars with field resistance to late blight. There are plans to continue and improve breeding work with such accessions in the context of their resistance to other diseases and environmental stress factors.
About the Authors
Z. Z. Evdokimova
Belogorka Russian academy of agricultural science
Russian Federation
Russian Federation
1, Institutskaya St., Belogorka, Gatchina District, Leningrad Province, 188338, Russia
M. V. Kalashnik
Belogorka Russian academy of agricultural science
Russian Federation
1, Institutskaya St., Belogorka, Gatchina District, Leningrad Province, 188338, Russia
Russian Federation
1, Institutskaya St., Belogorka, Gatchina District, Leningrad Province, 188338, Russia
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Review
For citations:
Evdokimova Z.Z., Kalashnik M.V. RESISTANCE OF POTATO HYBRIDS FROM THE SECOND TUBER GENERATION TO THE LOCAL POPULATION OF PHYTOPHTHORA INFESTANS (MONT.) DE BARY AND SELECTION OF ADVANCED CLONES. Proceedings on applied botany, genetics and breeding. 2018;179(2):151-158. (In Russ.) https://doi.org/10.30901/2227-8834-2018-2-151-158
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