ECOLOGICAL AND ECONOMIC ESTIMATION OF THE ARTIFICIAL CLIMATE OBJECTS FOR WINTER GRAINS FROST HARDNESS
DOI:
https://doi.org/10.33730/2310-4678.4.2019.199080Keywords:
ecological and economic assessment, artificial climate chambers, winter cereals, frost and winter hardiness, extreme natural conditionsAbstract
To have the selective practice under the conditions of different climatic changes and economic crisis it has appeared possible to use the estimation methods which correspond in particular to the before winter conditions. The selection of winter grains with the highest frost and winter hardness should be estimated under these conditions. Based on the long-term work on studying the problem of winter grains frost and winter hardness especially during the last 10 years it has been stated that the results determination of selection material frost hardness in the seeding boxes which are harden in natural conditions is doubtful due to daytime and nighttime temperature changes as well as to thaw and frost, that is why the given method of plant estimation on its frost hardness should be considered as supplementary.Sudden climatic changes contributes to it. Plant hardening under the nature extreme conditions ( soil bathes ones ) hard are more essential as compared to the fields ones. We managed to connect this year agrometeorological factors as well as to estimate and select frost-winter hardness plants as compared to the increased spike yielding. The study aimed at ecologic progeny testing under the natural provocative conditions (soil bathes) based on the studying of 111 strains of frost-winter hardness plants have been carried on. The purpose of the research was to get the plant off-springs which survived in the winter. To make winter wheat wintering more complicated we used special plastic cylinders which were placed on the soil bathes. The temperature changes are essential in such cylinders as in daytime the soil warming is better as compared to the one in the nighttime. The organic combination of the artificial climate conditions, the extreme nature temperature backgrounds with the fields ones,contribute to the ecological and economic efficient estimation as well as to plant selection, the off-springs of which can be the final selective material in new frost and winter hardness sort selecting. It makes it possible for the selectionist to estimate a great number of selective material due to its frost hardness level in the selection process primary portions as well as to differentiate the sorts according their characteristics. Also, it allows to fulfil the plant selection process with its further off-springs effectiveness.
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