Method of control Phytophthora parasitica var. nicotianae Resistance to Metalaxyl
A technology for tobacco black shank and tobacco black shank bacteria, applied in the fields of plant protection and pesticides
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Embodiment 1
[0029] Example 1: Test demonstration of metalaxyl resistance treatment of tobacco black shank in Banqiao Town, Luoping County, Qujing City
[0030] According to the survey on the resistance of tobacco black shank to metalaxyl, the tobacco black shank of Banqiao Town, Luoping County, Qujing City has developed a high level of resistance to metalaxyl. In 2006, the town conducted a demonstration of resistance management experiments, combined with the selection of disease-resistant varieties; implementation of reasonable crop rotation; fine soil preparation and scientific ridging; timely and early planting; hygienic cultivation; timely removal of film and other cultivation techniques, according to the occurrence of black shank Junke and Xiu'an, which have negative cross-resistance to metalaxyl, were selected and used alternately to prevent tobacco black shank in accordance with conventional dosage and application methods. The results of the investigation of resistance management are sh...
Embodiment 2
[0033] Example 2: Experimental demonstration of treatment of metalaxyl resistance to tobacco black shank in Zhongshan Township, Luoping County, Qujing City
[0034] According to the survey on the resistance of tobacco black shank to metalaxyl, it is shown that tobacco black shank has developed a high level of resistance to metalaxyl in Zhongshan Township, Luoping County, Qujing City. In 2006, the township conducted resistance control experiments and demonstrations, combined with the selection of disease-resistant varieties; reasonable crop rotation; fine soil preparation and scientific ridging; timely and early planting; hygienic cultivation; timely removal of film and other cultivation techniques, according to the occurrence of black shank Junke and Xiu'an, which have negative cross-resistance to metalaxyl, were selected and used alternately to prevent tobacco black shank in accordance with the conventional dosage and application method. The results of the resistance management s...
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