苏云金芽孢杆菌对苹果果实产量和品质的影响

O. Sherstoboieva, O. A. Demidov, A. Kryzhanivskyi
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引用次数: 0

摘要

结果表明,以合成蛋白质内毒素和水溶性外毒素的苏云金芽孢杆菌(Bacillus thuringiensis) 03071、0376和0408为主要虫源菌株的液体制剂防治苹果树的产量为16.2 ~ 18.1 t/ha,而以代谢产物中不含外毒素的苏云金芽孢杆菌787为主要虫源菌株的液体制剂防治苹果树的产量仅为12.7 t/ha。以苏云金芽孢杆菌0408为菌株的制剂对苹果果实的生长有促进作用,果实的维生素C浓度增加。生物修复对最终产品的质量没有负面影响,特别是对苹果果实中糖和有机酸的含量。仅在苏云金芽孢杆菌0371制剂和化学杀虫剂红柏特(Confidor extra)处理苹果树后,所研究品种约纳金(Jonagold)的果实糖酸平衡值分别略高于最佳值1.1 U和1.5 U。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
IMPACT OF ENTOMOPATHOGENIC BACTERIA BACILLUS THURINGIENSIS ENTOMOPATHOGENIC ON THE YIELD AND QUALITY OF APPLE FRUIT
It was established that treatment of apple trees for control over harmful insects with liquid preparations based on entomopathogenic strains of Bacillus thuringiensis 03071, 0376, and 0408 which synthesize protein endotoxins and water-soluble exotoxin, provides a yield of fruit according to the level of 16.2–18.1 t/ha, whereas treatment with preparation based on strain B. thuringiensis 787, that does not contain exotoxin in metabolites, contributes to the yield at the level of only 12.7 t/ha. Treatment of apple trees with preparation based on the strain B. thuringiensis 0408 contributed to growth of fruits with increased vitamin C concentration. Biopreparations had no negative impact on the quality of resulting product, in particular on the content of sugars and organic acids in apple fruits. Only after treatment of apple trees with preparation based on the strain B. thuringiensis 0371 and chemical insecticide Confidor extra, slight exceed of optimal sugar-acid balance in apple fruits was found for studied variety Jonagold by 1.1 and 1.5 U, respectively.
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