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近年来,北疆特早熟棉区又有强致病类型和落叶型黄萎病病原菌侵入,使棉花的安全生产受到了很大的威胁。为此,2006年在石河子农八师农场棉田进行了2%宁南霉素生物农药对棉花黄萎病的防效试验。1材料和方法小区试验在147团种子站棉花黄萎病重病田进行,供试品种为耐病品系02-71,试?
In recent years, there are strong pathogenic types and virulent pathogenic bacteria of Verticillium dahliae in the special precocious cotton area in northern Xinjiang, which threaten the safety of cotton production. To this end, in 2006 in Shihezi Nong Bashi farm cotton fields carried 2% Ningnanmycin biopesticide control effect on cotton Verticillium wilt. 1 Materials and Methods The plot test was conducted in the 147th seed station cotton wilt disease field of cotton, the tested varieties were resistant strains 02-71, test?