Method of control Phytophthora parasitica var. nicotianae Resistance to Metalaxyl
A technology of tobacco black shank and tobacco black shank, which is applied in the fields of plant protection and pesticides
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Embodiment 1
[0027] Example 1: Demonstration of control experiment of tobacco black shank resistance to metalaxyl in Banqiao Town, Luoping County, Qujing City
[0028] According to the survey on the resistance of tobacco black shank to metalaxyl, tobacco black shank disease in Banqiao Town, Luoping County, Qujing City has developed a relatively high level of resistance to metalaxyl. In 2006, the demonstration of resistance control experiments was carried out in the town, combined with the selection of disease-resistant varieties; the implementation of reasonable crop rotation; fine soil preparation, scientific ridging; timely and early planting; hygienic cultivation; Junke and Xiu'an, which have negative cross-resistance with metalaxyl, were used alternately according to the conventional dosage and application method to control tobacco black shank. The results of the survey on resistance management are shown in Table 2. The results showed that the disease index of tobacco black shank dise...
Embodiment 2
[0030] Example 2: Demonstration of control experiment of tobacco black shank resistance to metalaxyl in Zhongshan Township, Luoping County, Qujing City
[0031] According to the survey on the resistance of tobacco black shank to metalaxyl, the tobacco black shank disease in Zhongshan Township, Luoping County, Qujing City has developed a relatively high level of resistance to metalaxyl. In 2006, the demonstration of resistance control was carried out in the township, combined with the selection of disease-resistant varieties; the implementation of reasonable crop rotation; fine soil preparation, scientific ridging; timely and early planting; hygienic cultivation; Junke and Xiu'an, which have negative cross-resistance with metalaxyl, were used alternately according to the conventional dosage and application method to control tobacco black shank. The results of the survey on resistance management are shown in Table 3. The results showed that after adopting resistance control mea...
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