Ecological and variety variability morphometric parameters of carrots seeds

Posted on 28.11.2019 by admin
UDC 581.16:581.48
https://doi.org/10.25630/PAV.2019.26.44.009

A.F. Bukharov, D.N. Baleev, E.V. Kashnova, G.V. Kasaeva, M.I. Ivanova, O.A. Razin

The article is devoted to the study of the effect of varietal and environmental factors on the variability of morphometric (seed length, endosperm and germ) parameters of carrot seeds. The objects for the study were the original seeds of different varieties grown in 2015, 2016 and 2017. Seeds obtained from two varieties of carrots over the years of research differed significantly in the length of the seeds (P <0.001). The length of the endosperm varieties Boyarynya on average over the years of research was less (P <0.001) compared with Shantane 2461. The experiments were conducted in 2015-2017 at the West Siberian Vegetable Experimental Station in the southern part of the Pervomaisky district of the Altai region. The prevailing soils are leached and ordinary chernozems. Experiment replication is 3, each repeatability consists at least 20 seeds. The measurement of the length of the seed and the endosperm was carried out with Vernier caliper (GOST 166-89), the length of the embryo was determined using microscope Mikromed and video-ocular DCM 300 MD. Seeds were soaked in 14% aqueous sodium hypochlorite solution for 1 h, and then measured the length of the seed, the endosperm and the embryo, and calculated the ratio of the length of the embryo (E) to the length of the endosperm (S). Embryo length was also significantly different (P <0.001) depending on the variety. The environmental factor had a significant impact on the length of the seed (P = 0.005) and endosperm (P = 0.003). The length of the embryo was mainly affected by the factor of the variety (P <0.001). The ratio of the embryo length to the endosperm length was largely influenced by the factor of the variety (P = 0.006). Our studies have shown that the variability of the morphometric parameters of seeds is due to both the influence of the variety and the conditions of the year of reproduction. In comparison with other elements of the seed, the embryo length varies more and depends more on the influence of the hereditary factor. This allows us to conclude about the possibility of a selection change in linear as well as relative sizes of the morphological elements of the seed.

Keywords: Daucus carota, varieties, ecological factor, morphometry, seed, endosperm, embryo.

A.F. Bukharov, DSc, head of laboratory of seed knowledge, ARRIVG - branch of FSBSI FSVC. E-mail: afb56@mail.ru

D.N. Baleev, PhD, leading research fellow of atomic and molecular regulation and breeding laboratory, All-Russian Scientific Research Institute of Medicinal and Aromatic Plants, senior research fellow of laboratory of seed knowledge, ARRIVG - branch of FSBSI FSVC. E-mail: dbaleev@gmail.com

M.I. Ivanova, DSc, professor RAS, head of laboratory of green crops breeding and seed growing, ARRIVG - branch of FSBSI FSVC, chief research fellow of department of plant resources, All-Russian Scientific Research Institute of Medicinal and Aromatic Plants. E-mail: ivanova_170@mail.ru

E.V. Kashnova, PhD, leading research fellow, West-Siberian Vegetable Experimental Station – the branch of FSBSI FSVC. E-mail: kashnova2017@yandex.ru

G.V. Kasaeva, junior research fellow, laboratory of root crops, West-Siberian Vegetable Experimental Station – the branch of FSBSI FSVC. E-mail: kasaevagalina@mail.ru.

O.A. Razin, PhD, leading research fellow, Breeding and Seed Growing Centre, FSBSI FSVC. E-mail: oleg.rasin@gmail.com.

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For citing: Bukharov A.F., Baleev D.N., Kashnova E.V., Kasaeva G.V., Ivanova M.I., Razin O.A. Ecological and variety variability morphometric parameters of carrots seeds. Potato and Vegetables. 2019. No3. Pp. 37-40.

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