ACTIVATION OF THE EARLY GROWTH PROCESSES OF SEEDS UNDER THE INFLUENCE OF GROWTH REGULATORS AS A FACTOR OF INCREASING THE FIELD GERMINATION CAPACITY AND YIELD PRODUCTIVITY OF SPRING WHEAT

2016 ◽  
Vol 1 ◽  
pp. 29-35
Author(s):  
G.A. Karpova ◽  
◽  
L.V. Karpova ◽  
Ye.Yu. Frolova ◽  
◽  
...  

Spring wheat is the main grain crop. Stable production of high-quality wheat grain is the key to the country's food independence. Therefore, the study of the elements of growing spring wheat technology, aimed at increasing the productivity of crops, is important. The study of the interaction of plants and microorganisms depending on the level of mineral nutrition in crop planning is currently ofparticular relevance. The use of biological products, growth regulators improves the mineral nutrition of plants, increases productivity and its quality, and also provides savings in mineral fertilizers. In the upper Volga region, the main spring crops are wheat, barley and oats. To further increase them in the region, it is necessary to study the characteristics of the formation of yields and determine the most productive crops depending on the level of nutrition, biological products and growth regulators. The scientific article presents the results of the study of these drugs on the productivity of spring wheat. In field experiments, it was planned to get 30, 40 and 50 tons of grain per hectare. Fertilizers for the planned harvest were made taking into account the agrochemical properties of the soil. From biological products used Flavobacterin, which has a protective effect against diseases and improves product quality, from growth regulators used agrochemicals HUMATE + 7 (10 % liquid concentrate), which is characterized by high biological activity. The yield level was determined taking into account the average long-term moisture supply and qualitative assessment of arable land. The indicators of photosynthetic activity of crops, crop and its structure, quality characteristics of grain and economic efficiency of growing spring wheat in the upper Volga region are presented. As a result of researches the optimum level of mineral nutrition for wheat, the efficacy of agrochemical diazotroph and programming yields of spring wheat, determined the photosynthetic activity of crops and grain yield, calculated economic efficiency of the studied techniques and established the qualitative characteristics of the crop. The program for obtaining the planned wheat yields in the years of the experiments was completed by 68-91 %. Close to the planned the program was implemented using a biological product and growth regulator-74-91 %.


Author(s):  
A.O. Smirnova ◽  
◽  
O.V. Rybachuk ◽  

In this paper, we consider two ways for obtaining hymatomelanic acid extraction into conventional Soxhlet extractions: directly from the peat and from the dry product of humic acid. The results of the study of the elemental composition of humic and hymatomelanic acids are presented, their similarities and differences are analyzed. In order to study the effect of humic and hymatomelanic acid preparations on the growth processes of spring wheat, a vegetation experiment was conducted. Peculiarities of biological action of the solutions and hymatomelanic and humic acids of different concentrations in spring wheat varieties “IREN” were investigated. The paper presents a method for determining the ash content of the studied peat, as well as, calculations of the economic feasibility of using preparations based on the hymatomelanic acids.


2018 ◽  
Vol 13 (3) ◽  
pp. 65-72 ◽  
Author(s):  
Леонид Шашкаров ◽  
Leonid Shashkarov ◽  
Николай Малов ◽  
Nikolay Malov

The article examines the indicators of the structure of yields of spring wheat plants, depending on the variety in the conditions of the Chuvash Republic. The density of shoots is the first indicator of the structure of yield, which can be assessed visually. On its basis, it is possible to conduct a survey of crops, paying attention to the uniformity and amicability of emergence. According to the data (Makarova VM, 1995), in the conditions of the Non-Chernozem Zone, the optimum density of seedlings of grain crops should be considered no less than 400-500 plants per 1 m2 at the rate of sowing 6 million virgin grains per 1 hectare, while ensuring the field germination level 70 - 80%. It is known that not all seeded seeds are seedlings. Therefore, distinguish between laboratory and field germination. It should be noted that there is still a concept of the completeness of seedlings, which many people still understand as synonymous with field germination. During the vegetation the number of plants per unit area does not remain unchanged. Due to a number of reasons, attacks are observed in the crop, (Terekhov M.B., 2000). The survival rate of plants is the percentage of plants that have survived to harvest, or the ratio of the total or productive number of plants before harvesting to the number of shoots per m2.


2021 ◽  
pp. 48-51
Author(s):  
Yulia Pavlovna Tarasenkova

This article presents the results of a study of spring wheat with the application of biological products. The positive effect of drugs on growth processes and productivity has been established. The conditions of spring wheat cultivation with the use of biologics and their influence on the yield of spring wheat were studied. The purpose of our research was to study the effect of biological preparations on the efficiency of growing spring wheat in light chestnut soils. Results of the presented studies on the impact on yield using growth stimulants and strains: flavobacterin 30, mizorin 7, strain 5S-2, strain 8 on spring wheat varieties: Esther, Lada, Lubava, in the Astrakhan region for 2016-2018. The results showed that when seeds were treated with growth promoters and strains, almost all variants increased their yield.


Author(s):  
O. V. Pavlova ◽  
◽  
L. A. Marchenkova ◽  
R. F. Chavdar ◽  
T. G. Orlova ◽  
...  

The adaptive properties of spring wheat lines with foreign genetic material at the early stages of ontogenesis on the backgrounds of salinization with sodium chloride and prolonged flooding of seeds in water were evaluated. In the course of the work, different degrees of inhibition of growth processes were revealed, depending on the factor used and the genetic characteristics of the studied forms, a comprehensive (summary) assessment of the index of stability characterizing adaptability to adverse environmental factors was shown.


Euphytica ◽  
1986 ◽  
Vol 35 (1) ◽  
pp. 273-292 ◽  
Author(s):  
C. J. T. Spitters ◽  
Th. Kramer

2017 ◽  
Vol 9 (12) ◽  
pp. 30 ◽  
Author(s):  
Yuxue Zhang ◽  
Shengnan Su ◽  
Mirko Tabori ◽  
Junjie Yu ◽  
Denise Chabot ◽  
...  

Lodging is an important limiting factor in wheat because it affects growth, yield and grain quality. Plant growth regulators (PGRs) are often used to restrain elongation of internodes, improve lodging traits, and protect yield potentials. An experiment was set up in the greenhouse at the Ottawa Research and Development Centre (ORDC) to study the effect of the selected PGRs (Manipulator, the active ingredient of which is chlormequat; and Palisade, the active ingredient of which is trinexapac-ethyl) on yield, stem height and morphological traits in six spring wheat cultivars (AC Carberry, AAC Scotia, Hoffman, Fuzion, FL62R1, and AW725). Both PGRs reduced plant height and caused a 6% to 48% reduction in the length of the second basal internode. The mixture of the two PGRs had a synergistic affect and made the stem shorter. The application of PGRs significantly reduced lodging, increased stem diameter, thickness, filling degree, and stem strength, and increased leaf relative chlorophyll content. However, application of PGRs significantly reduced grain yield, and the combination of the two PGRs (Manipulator and Palisade) had a synergistic effect and lowered the yield. In general, the effect of Palisade was more evident than that of Manipulator.


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