Inheritance features of productivity traits in pea hybrids F1 and F2
https://doi.org/10.31367/2079-8725-2023-86-3-21-28
Abstract
The main reserve for improving of pea grain production is the development of new highly productive varieties. In this case, intraspecific hybridization is the main tool, but the patterns of inheritance by hybrids of several economically valuable traits are still insufficiently studied. The purpose of the current work was to establish the inheritance nature of productivity traits in pea hybrids. The trials were carried out in 2020–2022. The objects of the study were 8 pea hybrid combinations F1 and F2. The estimation of the collection and hybrid material was carried out in accordance with the Methodology of the State Variety Testing (2019). Segregation analysis in F1 pea hybrids has revealed different types of inheritance of the studied quantitative traits, from hybrid depression to overdominance. According to ‘plant height’, the dominance degree (hp) varied from 0 to 3.00. According to ‘number of pods per plant’ it varied from –0.50 to 3.00. According to ‘number of beans per pod’ it varied from 1.67 to 4.00. According to ‘1000-seed weight’ it varied from 0.20 to 0.44. Hybridological analysis of F2 pea plants based on ‘plant height’ in 4 hybrid combinations has revealed incomplete negative dominance (hp from –0.20 to –0.43), in 4 hybrid combinations it was incomplete dominance (hp from 0.60 to 0.69). According to ‘number of pods per plant’, two hybrid combinations have shown complete dominance (hp = 1.00), one hybrid combination has shown incomplete dominance (hp = 0.35), five hybrid combinations have shown incomplete negative dominance (hp from –0.50 to –0, 71). The trait ‘1000-seed weight’ in all hybrid combinations was inherited according to the type of incomplete dominance (hp from 0.10 to 0.16). According to ‘number of beans per pod’, four hybrid combinations have shown incomplete dominance (hp from 0.67 to 0.83); one hybrid combination has shown incomplete negative dominance (hp = –0.50); three hybrid combinations have shown complete negative dominance (hp = –1.00).
About the Authors
F. A. Davletov
Bashkiria RIA, separate structural unit of the FSBSI Ufa Federal Research Center RAS
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, head of the laboratory for legume and groat crop breeding and primary seed production
450059, Ufa, Rikhard Zorge Str., 19
K. P. Gainullina
Institute of Biochemistry and Genetics, separate structural unit of the FSBSI Ufa Federal Research Center of RAS; Experimental station “Ufimskaya”, separate structural unit of the FSBSI Ufa Federal Research Center of RAS
Russian Federation
Russian Federation
Candidate of Biological Sciences, senior researcher of the laboratory for feed and grain crop breeding and seed production, senior researcher of the laboratory for plant genomics
450054, Republic of Bashkortostan, Ufa, Oktyabr Av., 71/ 1E
450535, Republic of Bashkortostan, Ufa district, v. of Chernolesovsky, Topolinaya Str., 1
А. М. Dmitriev
FSBEI HE “Bashkirsky State Agricultural University”
Russian Federation
Russian Federation
associate professor of the department of plant production, plant breeding and biotechnologies
450001, Republic of Bashkortostan, Ufa, 50-letie Oktyabrya Str., 34
E. V. Badamshina
Bashkiria RIA, separate structural unit of the FSBSI Ufa Federal Research Center RAS
Russian Federation
Russian Federation
Candidate of Technical Sciences, senior researcher of the laboratory for analytics
450059, Ufa, Rikhard Zorge Str., 19
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Review
For citations:
Davletov F.A., Gainullina K.P., Dmitriev А.М., Badamshina E.V. Inheritance features of productivity traits in pea hybrids F1 and F2. Grain Economy of Russia. 2023;(3):21-28. (In Russ.) https://doi.org/10.31367/2079-8725-2023-86-3-21-28
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