The distribution and variability of features of the
endemic of flora Eastern Caucasus Centaurea
daghestanica (Lipsky) Czer. were given in this article.
Eleven locations of the species are detected and three
of them are new ones. C. daghestanica grows in the
lower and middle mountain belts from 400 to 1250 m
above sea level. In the lower belt, the species is found
on clayey areas of the solonchak valley of Kar-Kar and
the limestone slopes adjoining the valley, on average
on shale screes and stony slopes. Three populations of
the C. daghestanica we studied. Species composition
on the investigated sites was determined, and a
geobotanical description is carried out. Project
coverage of C. daghestanica in the studied populations
varies within 2–5%. By generative individuals of
different ages were represented mainly populations.
One generative shoot from 30 individuals in each
population was taken to reveal the variability of the
generative shoot structure, on which 13 traits were
taken into account. The degree of variability of the
morphological features of C. daghestanica shoot is
different, the influence of the altitude level on them is
not the same. The annual shoot of C. daghestanica has
an average of 3-5 branches of the first order. Branches
of all levels are located at the bottom of the shoot
We have studied the germination and the nature of germination of seeds of 20 species of FAM. Rosaceae. A wide range of germination characterizes their seeds: rapid, slow, with very poor or no germination. Laboratory germination of seeds stored at room temperature for 6-7 months have 80-100% - 8 species, 66-77% - 3, 1-9% - 4 species and 5 species did not germinate at room temperature, they need special conditions for germination
The review considers a present level of knowledge
of terrestrial gastropod olfactory system. Special
attention is given to data concerning presence of
electrical coupling on different levels of terrestrial
gastropods olfactory analyzer functioning. Analysis
of available literature leads to conclusion that
further study of neural gap junctions in terrestrial
gastropods olfactory system will provide a
significant development in its structure and function
modeling
The work was done based on the collection of the
natural flora of the Yakut Botanical Garden. The
object of research was the seeds of 22 species of the
family Ranunculaceae. It is known that the seeds of
many buttercup characterized morphophysiological
tranquility associated with hypoplasia of the fetus
(Nikolaeva, 1988; 1999), due to what delayed the
germination of their seeds. Laboratory germination of
seeds of the studied species varies from 0 to 100%.
Among them, we have not found the kinds seeds
which have explosive or fast germination (1 type of
seed germination). The germination of the studied
seeds states ranging from 6-7 days or more. The
studied seeds were evenly distributed between 2 (12
species), and 3 types of seed germination (10 species).
Type 2 is characterized by slow germination, type 3 -
poor germination or lack of it
Were summed up of perennial introductory tests of the
representatives of the family Betulaceae S.F. Gray in
the Botanical Garden SFedU. The 33 species of this
family have been studied for a total. Evaluation of
winter hardiness of the family members showed that
the absolute resistance to the full range of factors
winter have representatives genus Betula, also Alnus
incana (L.) Moench and Corylus colurna L. Species of
the genus Betula and Corylus may be attributed to the
plants having a resistance to drought. The highly
drought-resistant species – Carpinus betulus L., C.
turczaninowii Hance, Alnus incana (L.) Moench and
Ostrya carpinifolia Scop. Less than drought-resistant –
Alnus glutinosa (L.) Gaertn. Most of the tested species
should be attributed to hemixerophytes. The high
degree of defeat by fungal diseases of the species
genera Alnus, Betula and Carpinus makes them
unsuitable for the regional culture. The causative agent
of the disease is a fungus Chondrostereum purpureum
(Pers.) Pouzar. Based on the totality ecological and
biological properties only species of the genus Corylus
remain promising for the culture. For introductory test
it is advisable to attract drought-tolerant species of the
family Betulaceae such as: Alnus barbata C.A. Mey.,
A. rubra Bong., A. rugosa (Du Roi) Spreng., Carpinus
cordata Blume, C. caucasica Grossh., C. caroliniana
Walter, C. orientalis Miller., C. tschonoskii Maxim.,
Betula insignis Franch., B. lanata (Regel) V.N. Vassil.,
B. luminifera H.J.P. Winkl., B. nikoensis Koidz., B.
forrestii Hand.-Mazz., B. utilis D. Don., Ostrya
virginiana K.Koch
The article presents the data on the chemical elements
content in soils, plant leaves and lichens of three
squares in Rostov-on-Don. The calculation of the total
index of soil contamination by chemical elements finds
that soils of the square are characterized by a low
degree of contamination
The article presents the first results of studies of
somaclonal variability, which take place during
cultivation of tea plants tissues and organs in vitro
culture. As a starting material, there was used
morphogenic callus, isolated from the basal part of tea
microshoots, because callus increases somaclonal
variability. An optimized protocol of the nutrient
medium for induction gemmogenesis to product somatic
clones of tea plants in vitro culture was developed.
Morphogenesis calluses, initiated from the basal part of
tea microshoots and subcultured on the nutrient medium
with 6 – BAP – 2,5 ml + gibberellic acid – 1,0 ml +
Tidiazuron – 4,0 ml + Tryptophan – 1000 mg,
distinguished by high rates of induction of
gemmogenesis – 63,3 %. The article studies the effect of
exogenous growth regulators on morphological and
growth indices of tea callus culture in vitro
The article presents the long-term data (2007-2015.)
biometric aboveground plant parts and the estimation of
the prospects of the three introduced botanical species
of juniper and recommendations for their use in
landscape design. We have established very promising,
promising and unpromising varieties for landscaping in
the conditions of the foothill zone of the Krasnodar
region out of 16 varieties of juniper species: China,
ordinary and rock
Industrial horticulture assumes the most effective use of
the potential of varieties. One of the key factors
determining the yield of garden plantings is the
effectiveness of pollination. To obtain the maximum
yield, it is necessary to ensure maximum pollination
during the flowering period. For this reason, much
attention has been paid to the selection of pollinators.
Crab-apple forms are promising for use as pollinators, so
this work was aimed at identifying the most common
alleles of the self-incompatibility gene in the crab-forms
using the molecular genetic method of analysis. The
object of the study was 29 apple-tree creams and 3 elite
selection forms. They carried out the molecular genetic
identification of alleles S2 and S10, which are among
the most common apple trees in the world gene pool.
Allele S2 was identified in 16 samples (14 forms and 2
elite selection forms), while S10 allele in one
sample (elite form 12/2-20 (24-28)). Data on the allelic
composition of the S gene in the samples studied are of
value for the formation of a genetic passport on the
compatibility of the studied samples of apple with
modern industrial varieties
In the work, we present the results of the investigation
of acute toxicity of bio humates obtained by the method
vermicultivation on laboratory animals. In the diets
of farm animals and Pets to fill in the missing nutrients
in the past years, we had an extensive use of various
feed additives. Among them, mineral (macro - and
micronutrients), protein and fat supplements, vitamins,
biostimulants, complex natural compounds (sapropel,
peat), synthetic products (enzymes, hormones, antibiotics,
adaptogens, antioxidants). The search for new
ways of improvement and increase of efficiency of
agricultural animals using feed additives with high
demands on ecology of meat and dairy foods naturally
led to increased studies on the use in livestock farming
of water-soluble alkaline salts of natural humic acids -
humates. Their environmental safety and the unique
ability to improve metabolism and increase energy
cells very positively manifested in living organisms.
Numerous studies Russian and foreign scientists installed
a high efficiency natural humates as biostimulators
and immunomodulators in animal husbandry and
veterinary medicine. Accumulated extensive experimental
material, proving that the use of humates leads
to faster growth of animals, reducing morbidity and
mortality, increase the body's resistance to toxins in
feed and resistance to adverse environmental conditions.
Improving with the help of humates ecological
purity of the ecosystems "water — soil — plant", as
well as the health of birds, animals and fish will ultimately
lead to strengthen health and to prolong human
life as a consumer of agricultural products. Currently,
the livestock market is intensively increasing the humates
produced in Russia and abroad from brown coal,
peat, sapropel. A special place among them has been
occupied by the newest formulations because of a
unique combination of safety, efficiency, and value,
which, thanks to its amazing properties to increase energy cells, stimulate vital processes and to enhance
the beneficial effects of other substances called energine.
They are harmless to animals and humans; do not
have allergologie, anaphylactogenic, teratogenic, embryotoxic
and carcinogenic properties when used in
recommended doses. This allows you to create on their
basis organic natural feed additives and veterinary
medicines for agricultural animals, birds, fish, fur animals
and Pets, and preventive and therapeutic drugs
for humans