THE INFLUENCE OF SOYBEAN MOSAIC VIRUS ON THE YIELD OF TRANSGENIC SOYBEAN AND STUDYING OF ITS MOLECULAR GENETIC PROPERTIES
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 2, Issue 2
Abstract
For the first time in Ukraine, it has been shown that transgenic soybean is affected with Soybean mosaic virus. It is established that, despite genetic modifications, the yield of SMV-infected GM-soybean plants is significantly reduced. The yield of SMV-infected soybean decreased in both investigated farms in Kyiv and Poltava regions by 35.0-65.7% respectively. A more significant decline in the yield (2.6 times) of SMV-infected soybean was noted in the Poltava region in conditions of very arid climate in 2017 (HTC = 0.53) comparing with 2016 (HTC=0.99). It was noted that the SMV infection has a negative effect on the productivity and structure of the yield of GM-soybean plants. SMV infection reduces the number of beans by 21.9% and the number of grains per plant by 22.5%, the weight of grain from one plant - by 27.1% and the weight of 1000 grains - by 29.7% in comparison with healthy plants. It is determined that the investigated SMV isolate SGP-17 has a common origin with Iranian, American isolates, as well as with Polish and Ukrainian. Analysis of the nucleotide and amino acid sequences of the capsid protein gene (CP) of the studied isolate SGP-17 revealed the high level of nucleotide divergence in comparison with the SMV isolates from other countries and four unique amino acid substitutions that can be implicated in the ability of this isolate to infect transgenic soybean plants. The obtained results testify in favor of growing of domestic soybean varieties, created by classical selection methods and containing determinants of natural genetic resistance to the SMV.
Authors and Affiliations
L. T. Mishchenko, A. A. Dunich, A. V. Dashchenko, O. O. Molodchenkova
Keywords
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