Visn. Hark. nac. agrar. univ., Ser. Biol., 2020, Issue 1 (49), p. 79-88


https://doi.org/10.35550/vbio2020.01.079




GENETIC POTENTIAL OF SAMPLES OF SPRING EMMER FROM WORKING COLLECTION OF UKRAINIAN SCIENTIFIC INSTITUTE OF PLANT BREEDING


R.V. Rozhkov1, M. F. Pariy2, Ya. F. Pariy2, L. M. Babenko3, V. M. Popov1, T. A. Dolgova1, N. E. Palachova1, N. P. Turchynova1, O. V. Tverdokhlib4

 

1Dokuchaev Kharkiv National Agrarian University

(Kharkiv, Ukraine)

E-mail: dozent_2210@ukr.net

2Ukrainian Scientific Institute of Plant Breeding (VNIS)

(Kyiv, Ukraine)

3Kholodny Institute of Botany

of National Academy of Sciences of Ukraine

(Kyiv, Ukraine)

4Skovoroda Kharkiv National Pedagogical University

(Kharkiv, Ukraine)


To investigate the genetic potential of spring emmer samples from the VNIS working collection in order to identify the most promising specimens for the creation of varieties of this species adapted to the growing conditions in Ukraine and those that have high grain quality and the productivity level like of existing durum wheat cultivars. The characteristics of the collection samples were studied in a field experiment. In laboratory conditions, using the biometric method, the level of productivity of head ear in plants and the amount of gluten and protein in the grain were determined. According to results of the research, it has been found that samples of emmer, in most cases, were more resistant to disease and drought than durum wheat cultivars, but significantly lower than their productivity. The following samples were distinguished by complex resistance to disease: UA0300183, UA0300012 (RUS); UA0300036 (ARM), and hybrid lines: SG.164/12_2, SG.165/12_2, and PR-1. By lodging tolerance the emmer samples better than durum wheat were: UA0300002 (UKR), ‘Polba krasnaja’ (UA0300049, RUS), UA0300405 (EGY), T. ispahanicum (UA0300070) and a white-grain sample of hybrid origin PR-1. Early maturation samples include: T. ispahanicum (IRN), UA0300012 (RUS), UA0300036 (ARM), UA0300405 (EGY), UA0300026 (USA), and a sample of hybrid origin PR-1. The highest productivity potential among the emmers was observed in UA0300002 (UKR), UA0300049 and UA0300012 (RUS), and UA0300405 (EGY). The most drought-resistant samples were: UA0300012 (RUS), UA0300026 (USA), and hybrid origin lines – SG.164/12_1 and SG.165/12_2. The best combination of weight of 1000 grains and protein content in the grain was noted in emmer samples: UA0300036 (ARM), UA0300405 (EGY), UA0300026 (USA), and hybrid line SG.164/12_2. According to research, among the gene pool of emmer the sources of economically valuable traits are identified, which are useful in the breeding of the emmer for resistance to disease and lodging, early maturity, drought tolerance, productivity and quality of grain.


Key words:Emmer, Triticum dicoccum, durum wheat, productivity, grain quality, early maturity, resistance to disease and lodging, drought tolerance

 


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