the sowing-mass shoots varied from 1.2% in the sample UKR001:00037 (Vigna
radiata) to 15.4% in the population UD1000052 (Vigna umbellta).
The variation over the duration of the flowering-technical ripening phase occurred
within a period of 10 days in the sample UD1000019 (Vigna aconitifolia) to 43 days
in the sample UKR001:00040 (Vigna unduiculata).
The coefficient of variation for this
phase of growing of vigna varied from 2.7% (population UD1000019) to 15.3%
(sample UD1000009).
The samples UD1000033, UD1000019, UD1000015, UD1000007 and
UD1000044, in which at least one of the phenological phases is shorter in time
compared to the phenophase of other samples (see Table 3), can be considered as
potential donors of these features and may be used in the vignification breeding on the
speediness when creating varieties of grain direction.
Most collections of the species Vigna unduiculata in which the duration of the
growing phase exceeds 100 days may be the donors of the corresponding genes in the
derivation of the vegetable and decorative forms.
An assessment of the variability of quantitative signs of vigna.
The promising
use of the plant material in various genetic selection programs is possible only with an
objective assessment and a comprehensive study of its genotype.
An important
characteristic of the genetic diversity of vigna is the analysis of the variability of those
features that are economically valuable.
At the same time, the biometric characteristics
of the plant occupy a special place (plant height, height of fastening of the lower tier
of beans), seed productivity (quantity of seed from a plant, weight of 1000 seeds, yield
of seeds).
As a result of the examination of the nature of the distribution of economic
characteristics in the collection samples of vigna, a significant positive asymmetry has
been established in all the samples of the investigated collection by the number of seeds
from the plant (As = 0.90 - 3.32, p≤0.05) and by the weight of the seeds from the plant
(As = 0.84 - 2.23; p≤0.05) (Table 4).
Also, a significant positive asymmetry was observed at the plant height in the
samples UKR001:00039, UD1000014, UD1000044 and UD1000045 (respectively, As
= 0.41; 0.42; 0.50 and 0.41; p≤0.05);
at the height of fastening of the lower tier of beans
in samples UD1000021, UD1000076, UD1000043, UD1000045 and UKR001:00040
(respectively, As = 0.56; 0.54; 0.84; 0.62 and 1.12; p≤0.05) ;
in the number of beans
per plant in samples UD1000019, UD1000005 and UKR001:00048 (respectively, As
= 0.57; 1.14 and 0.81; p≤0.05);
by number of seeds in a bean in samples of UD1000052,
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