The Influence of the Biostimulator Reglalg on the Primary Resistance of Winter
Wheat Genotypes to Extreme Temperatures
Jelev N* and Dascaliuc A
Institute of Genetics, Physiology and Plant Protection of the Moldova State University, Moldova
*Corresponding Author: Natalia Jelev, Institute of Genetics, Physiology & Plant
Protection of the Moldova State University, Padurii 20, MD-2002, Chisinau, Moldova.
August 24, 2023; Published: Sepetember 17, 2023
In this article, we present the results regarding the influence of the biostimulator (BS) Reglalg on the primary resistance of 3 varieties and 11 lines of winter wheat to heat shock (HS) and frost shock (FS). Exposure to temperatures of +50°C for 30 minutes and -7°C for 8 hours, respectively, was used as HS and FS. These values of HS and FS were obtained experimentally. Their effects made it possible to significantly distinguish the majority of the studied genotypes in terms of primary resistance. The relative level of increasing the primary resistance to HS or FS of the seeds of different wheat genotypes treated with BS Reglalg tends to be inversely related to their primary resistance to extreme temperatures, but the absolut level of influence of BS Reglalg increasing seeds germination after exposure to extreme temperatures on seeds the germination of which after exposure to HS or FS tend to be around 50%.
The proposed accelerated method of determining the wheat genotypes primary resistance to HS or FS, is fast, easy, and low expensive, thus opening new perspectives in optimizing the selection of new varieties and rational distribution zones for the cultivation of existing genotypes according to their genetic resistance to extreme temperatures; and application of biostimulators in agriculture.
Keywords: Wheat; Seed Germination; Genotypes; Bs Reglalg; Extreme Temperatures; Resistance
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