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向日葵白锈病和黑茎病是危害严重的新入侵病害,探索在种植中针对2种病害的防治措施是生产中急待解决的问题。为此,2015年在新疆新源县向日葵白锈病和黑茎病发生地进行了覆膜加药剂处理试验。试验结果表明:使用2.5%咯菌腈FS拌种+覆膜+2遍茎叶喷雾(第1遍茎叶喷雾22.5%杜邦阿砣SC150m L/hm~2+64%杀毒矾WP150m L/hm~2,对水225L/hm~2;第2遍茎叶喷雾70%甲基托布津WP300m L/hm~2+64%杀毒矾WP150m L/hm~2,对水225L/hm~2),对向日葵白锈病、黑茎病防效最好,向日葵产量也较高。该方法是生产中种植向日葵采取的有效措施之一。
Sunflower white rust and black stem disease are serious new invasion diseases. It is an urgent problem to explore two kinds of disease prevention and control measures in planting. To this end, in 2015 in Xinjiang Xinyuan Xian sunflower white rust and black stem disease occurred in the coating and drug treatment experiments. The results showed that: Spraying with 2.5% fludioxonil FS + laminating + spraying with stems and leaves 2 times (first spray of stem leaf 22.5% Dupont Fritillaria SC150m L / hm ~ 2 + 64% antivirus WP150m L / hm ~ 2, 225L / hm ~ 2 for water, 225L / hm ~ 2 for water spray of the second pass, 70% thiophanate-methyl (WP300m L / hm ~ 2 + 64% Sunflower white rust, the best black stem disease control, sunflower production is also higher. This method is one of the effective measures taken to grow sunflower in production.