Changes in Chemical Composition of Soybean Glycine maxL. Merrill Plant after Presowing Treatment of Seeds with Insecticides
2014
Vasileva, V., Institute of Forage Crops, Pleven (Bulgaria)
Changes in some charatcteristics of chemical composition of aboveground and root mass of soybean after presowing treatment of seeds with insecticides were studied in a pot trial carried out at the Institute of Forage Crops, Pleven, Bulgaria 2003-2004. Soybean cultivar Pavlikeny 121 was used and the next insecticide preparations were tested: Gaucho 600 FS 600 g.L-1 imidacloprid 1, 2 and 3 L.100 kg-1 seeds, Carbodan 35 ST 350 g.L-1 carbofuran 1, 2 and 3 L.100 kg-1 seeds, and Promet 400 CS 400 g.L-1 furathiocarb 3 L.100 kg-1 seeds standard. It was found that Gaucho 600 FS at the dose of 1 L.100 kg-1 seeds increased crude protein content in aboveground mass by 14.0 g.kg-1 dry matter DM and in root mass by 22.6 g.kg-1 DM as compared to untreated control. Crude fiber content in aboveground mass increased by 28.0 g.kg-1 DM when Carbodan 35 ST at the dose of 3 L.100 kg-1 seeds was applied and decreased in root mass by 74.5 g.kg-1 DM for the same insecticide at the dose of 2 L.100 kg-1 seeds. Calcium content in aboveground mass was by 1.9 g.kg-1 DM higher as compared to untreated control for Gaucho 600 FS at the dose of 1 L.100 kg-1 seeds. When Carbodan 35 ST at the dose of 1 L.100 kg-1 seeds was applied, phosphorus content in aboveground mass increased by 0.20 g.kg-1 DM and in root mass by 0.28 g.kg-1 DM for Gaucho 600 FS at the dose of 1 L.100 kg-1. Chemical composition of plant biomass did not include the amount of possible residues after the using of insecticides
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