Biodiversity of interspecific hybrids of the genus Allium L.
https://doi.org/10.18619/2072-9146-2022-5-43-49
Abstract
Relevance. Interspecific hybridization in the genus Allium L. is the best way to increase biodiversity by introgression of desired traits within the genus. This is valuable for signs such as resistance to diseases and pests, accumulation of important metabolites, obtaining new sources of cytoplasmic male sterility. The creation based on interspecific hybridization of fundamentally new plant forms with unique genetic material makes it possible to expand the selection of genotypes that are valuable in practical terms.
Methods. To characterize the breeding material, the plants of interspecific allium hybrids were evaluated using morphological and phytopathological analyses. The analysis of plants of interspecific hybrids of the genus Allium L. from various inbred offspring from BC1-2 combinations of crossing species A. cepa × A. vavilovii and A. cepa × A. fistulosum by breeding characteristics was carried out. Plants were studied by weight, color, bulb shape, number, height of seed stalks, seed productivity and resistance to downy mildew.
Results. The biodiversity of plants was revealed: by weight, shape, color of the bulb; by resistance to downy mildew of plants of the first year of vegetation and seed plants; by the number, height of seed stalk; by seed productivity. Plants of interspecific allium hybrids formed bulbs weighing up to 120 g, white, yellow, brown and red, elliptical, broadly elliptical, round and transversely elliptical bulb shape. Phytopathological assessment of allium plants of the first year of vegetation and seed plants revealed diversity in inbred offspring with resistance to peronosporosis. In the combination of crossing species A. cepa × A. vavilovii plants of the first year of vegetation had the largest number of resistant plants to downy mildew (up to 66.7%). According to the seed productivity of plants, depending on the combination of crossing, inbreeding generation and backcross, highly fertile plants with increased seed setability (up to 2.0 g /plant) were identified. The conducted studies have demonstrated an increase in the biodiversity of allium plants obtained based on interspecific hybridization, backcrosses and inbreeding.
About the Author
V. S. Romanov
Federal State Budgetary Scientific Institution Federal Scientific Vegetable Center (FSBSI FSVC)
Russian Federation
Russian Federation
Valeriy S. Romanov – Cand. Sci. (Agriculture), Senior Researcher
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, 143072
References
1. Govaerts R, Kington S, Friesen N, Fritsch R, Snijman DA, Marcucci R, Silverstone-Sopkin PA, Brullo S (2005–2019) World checklist of Amaryllidaceae Available from: https://apps.kew.org/wcsp/ accessed on 25th April 2019.
2. Romanov V.S. Breeding and genetic features of forms of interspecific allium hybrids (creation and evaluation). M., 2008. 166 p. (In Russ.)
3. Khrustaleva L.I., Kik C. Introgression of Allium fistulosum into A. cepa mediated by A. roylei. Theor. Appl. Genet. 2000;(100):17-26.
4. Umehara M., Sueyoshi T., Shimomura K., Iwai M., Shigyo M., Hirashima K., Nakahara T. Interspecific hybrids between Allium fistulosum L. and Allium schoenoprasum L. reveal carotene-rich phenotype. Euphytica. 2006;(148):295- 301.
5. Scholten O.E., Van Heusden A.W., Khrustaleva L.I., Burgermeijer K., Mank R.A., Antonise R.G.C., Harrewijn J.L., Van Haecke W., Oost E.H., Peters R.J., Kik C. The long and winding road leading to the successful introgression of downy mildew resistance into onion. Euphytica. 2007;(156):345-353.
6. Chuda A., Adamus A. Hybridization and molecular characterization of F1 (Allium cepa L. х Allium roylei Stearn) plants. Acta. Biol. Cracov. Ser. Bot. 2012;54(2):25- 31.
7. Chuda A., Grzebelus E., Adamus A. Experiments of backcrossing of interspecific F1 (Allium cepa L. х Allium roylei Stearn) hybrids with Allium cepa L. Acta. Hort. 2012;(969):113-116.
8. Chuda A., Grzebelus E., Adamus A. Morphological cytological and embryological characterization of F1 (A. cepa L. х Allium roylei Stearn) hybrids. Acta. Biol. Cracov. Ser. Bot. 2015;54(2):25-31.
9. Kik C. Exploitation of wild relatives for the breeding of cultivated Allium species. In: Rabinowitch H.D., Currah L. (eds) Allium crop science: recent advances. CABI Publishing, UK, 2002. pp 81-100.
10. Titova I.V., Timin N.I., Yuryeva N.A. Interspecific hybridization of alliums in order to obtain forms resistant to downy mildew. Dokl. VASHNIL. 1983;(8):190. (In Russ.)
11. Titova I.V., Timin N.I., Yuryeva N.A. Interspecific hybridization of alliums: Nauch. tr. On selection and seed-growing. M., 1995. P.91-101. (In Russ.)
12. Methods of testing for distinctness, uniformity and stability of onions (Allium cepa L.) and shallots (Allium ascalonicum L.). RTG/46/2, UPOV, 2000. pp. 528- 547. (In Russ.)
13. Pivovarov V.F., Ershov I.I., Agafonov A.F. Onion crops. M. VNIISSOK. 2001. 500 p. (In Russ.)
14. Methodological guidelines for the selection of onion crops. M., VNIISSOK, 1997. 125 p. (In Russ.)
15. Dospehov B.A. Methodology of field experience. M.: Agropromizdat, 1985. 351 p. (In Russ.)
Review
For citations:
Romanov V.S. Biodiversity of interspecific hybrids of the genus Allium L. Vegetable crops of Russia. 2022;(5):43-49. (In Russ.) https://doi.org/10.18619/2072-9146-2022-5-43-49
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