Abstract

Chickpea (Cicer arietinum L.) is an important legume crop grown and consumed worldwide. Oil content in chickpea seeds ranges from 4 % to 7 % according to various data sources. Considering the interest of breeders in this issue, as well as for the purpose of inventory of the presented chickpea genetic material in the collection of the National Center for Plant Genetic Resources of Ukraine, these studies were carried out. Field experiments were carried out in 2016-2018 in the scientific crop rotation of the Plant Production Institute n.a. V. Ya. Yuriev of NAAS (Kharkiv, Ukraine). 43 samples (21 - kabuli type and 22 - desi type) of different ecological and geographical origin were studied. Oil content in chickpea seeds was determined using gravimetric method of S. V. Rushkovsky (Yermakov, 1987) in the laboratory for genetics, biotechnology and quality of the Plant Production Institute n.a. V. Ya. Yuriev of NAAS. On average, over the years of study, in the kabuli type accessions, the oil content level in the seeds made 7.08 %; for accessions - 6.05 %. The range of variability of this trait for the kabuli chickpea ranged from 5.22 % to 8.69 %, and for desi - from 4.40 % to 7.26 %. A low variability of the studied trait was noted for both the kabuli (V = 6.88-15.04 %) and for desi (V = 8.98-14.15%) chickpea cultivars. The advantage in terms of oil content in seeds, regardless of the growing conditions, was retained for the kabuli type. The accessions with the maximum level of the “oil content in seeds” trait manifestation were selected as “reference” for each type: for kabuli - variety Pamyat (Ukraine) - 7.95 %, for desi - Yarina (Ukraine) - 7.13 %. The best oil-bearing chickpea samples can be used in specialized programs to create new genotypes with a higher oil content in seeds.

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