In recent years leaf tan spot had dominated into
pathogenic complex of wheat in southern Russia. The
causative agent of this disease is hemibiotrophic
ascomycete Pyrenophora tritici-repentis (Died.)
Drechsler; imperfect state of Drechslera triticirepentis
(Died) Shoem. It causes two different
symptoms in susceptible wheat varieties: chlorosis and
necrosis. Under epiphytotic disease progression crop
losses can achieve 65%. One of the most important
elements of phytosanitary control of wheat cenosis is
scientifically relevant chemical fungicides application.
Biological efficiency of some fungicides against
Pyrenophora tritici-repentis has been estimated.
Research was conducted on the experimental ground
of FSBSI ARRIBPP on the variety susceptible to the
pathogen – Krasnodarskaya 99. Preparations were
tested one time at leaf-tube formation (Z37) phase or
two times: at leaf-tube formation (Z37) and start of
heading (Z51) stages. Double treatment was more
effective than a single one. Fungicides “Amistar extra”
and “Prozaro” have got the high biological efficiency
– 80,7 and 83,7%, consequently, and longer protective
period (up to 40 days) in comparison to every tested
fungicides
Hereby are represented: status quo of renewable energy sources, methods and results of processing of the load curves, the load curves for consumers, divided into categories with regard the days of summer and winter peak load, the receipt and analysis of the key parameters of the load curves
The article substantiates the necessity of desiccation for seed crops of sweet sorghum. The analysis of the productive characteristics of the sorghum presowing after treatment is made. The effect of desiccation to reduce contamination of seeds with major diseases of sorghum has been studied
Ecological and silvicultural characteristics of Black (European) Alder plantations, situated in river valleys of Sochi national park are given. Regeneration nature and soil conditions of growth are adduced
The review of the studying digestibility and assimilation of broilers diet nutrients under the influence of multienzyme composition Ronozim VP, phospholipid preparation of lecithin and probiotic Bifidum for agricultural animals is given in this article. The most important results of the effective use of mixture of biologically active substances included in diets are also discussed
The results of studying of influence of ways of sowing sorghum hybrids have shown that with increase in width of row-spacing, the crop of green weight and hay decreases, the high-quality crop of green weight is formed in the exit beginning in a tube
In this article the influence of agrotechnologies of cultivation of field cultures on soil indicators and distribu-tion of heavy metals on the horizons of the black leached soil is considered. Regularities of distribution of gross and mobile forms of manganese, zinc, lead, cobalt, copper and cadmium on the genetic horizons of the black leached soil of the Azov-Kuban lowland are revealed
Poultry farming is characterized by a relatively low cost of production, so it is more cost-effective compared with other sectors of animal husbandry. However, the feed of plant and animal origin used in the poultry industry does not always correspond to the requirements of biological safety and are subject to damage by fungi producing mycotoxins, causing extensive economic damage. Therefore, to improve the performance of the cultivation of chickens broilers was used natural sorbent - ekobentokorm (from the local cheap raw materials - bentonite clay), which is not only a source of macro - and microelements, but also with adsorptive activity in respect to mycotoxins, endotoxins, salts of heavy metals and pathogenic microflora, improves digestion and metabolism
The treatment of vegetating plants by low - intensity laser radiation (λ = 650 nm) has lead to the increase of disease resistance and yield, as well as protein and gluten content in winter wheat grain with energy efficiency being at least 80%
Since 2009, we studied the conditions for obtaining of winter wheat with prescribed technological properties