First, the experimental design
1. Test reagents:
120% Connaught WP can be produced by Xi'an Hengtian Chemical Technology Co., Ltd.
224.5% Insecticide ECG (Avi Diesel EC), produced by Shaanxi Petrochemical Research and Design Institute.
31.8% avermectin EC was produced by Jiangsu Fengyuan Biochemical Co., Ltd.
473% of Ruijing Net Emulsifiable Oil (Cypregen) is produced by Zhejiang Sakamoto Chemical Co., Ltd.
51.5% Qi Da Shen Wang (Pesticide synergist), produced by Shanxi Huize Biochemical Co., Ltd.
2. Test treatment:
There are a total of 8 treatments in this experiment: 120% of Connaught 3,000 times; 220% of Connaught 6,000 times + +1.5% of Kings 7500 times; 324.5% of worms 1500 times; 41.8% of A. Vestericin 5000 times; 51.8% avermectin + 1.5% bizarre king 10000 times +7500 times; 673% razor sharp 3,000 times; 773% razor quinvone net 6,000 times + 1.5% 奇大神效王7500 times; 8 clear water controls.
Randomized block arrangement was repeated 3 times. With the exception of 24.5% worms, the remaining pesticides were added 7,500 times as large as the King of Qigong, which was used to reduce the dose by half.
The test uses a Gongnong-16 knapsack sprayer to spray the citrus canopy. The spray volume is 0.4 kg/tree.
Second, test results and analysis
1. Significant difference in control effect between pesticides without pesticide synergist
173% of Radix Astragali had a good control effect and a long duration of efficacy. After 6 days, 13 days and 20 days, the control efficacy was 86.89%, 88.12%, and 93.44%, respectively. With the extension of medication time, the control effect was enhanced.
220% of Connaught Red Enemy, after 6 days of medication, the efficacy was 88.65%. After 13 days and 20 days, the control effect gradually weakened, which was 86.76% and 82.83%, respectively, and the effective period was longer.
324.5% of polychaetes have general control effect and short duration of efficacy. After treatment for 13 days, the efficacy is as high as 87.79%, and after 20 days, it decreases 81.51%, which is a decrease of 6.28 percentage points.
41.8% of avermectin had poor control effect. After 6 days, the control effect was 75%. By 20 days, the control effect gradually decreased to 32%.
2. In the cases where the amount of pesticides used was reduced by half, after the addition of Qi Da Shen Wang (Pesticide Synergist), the insecticidal effect was generally higher than the treatment without synergist.
173% of Radix Astragali was treated with 6,000-fold magical 7500-fold treatment. After 6 days, 13 days and 20 days, the control efficacy was 91.4%, 92.80%, and 96.17%, respectively. In the same period, 73% of Ruijing's net treatment effectiveness increased by 4.51, 4.72, and 2.75 percentage points respectively.
220% Nuohong enemy 6000 times Jiaqi large magic king 7500 times treatment, medication after 6 days, 13 days, 20 days, control effectiveness were 94.4%, 93.86%, 92.44%, while more than 20% Nuohong enemy 3,000 times to prevent The efficiency increased by 5.75, 7.1, and 9.61 percentage points respectively.
31.8% of avermectin 10000 times + 7500 times the king of the great magic effect treatment, medication 6 days, 13 days, 20 days after the control effect was 87.64%, 75.38%, 74.27%, over the same period 1.8% abamectin 5000 The double treatment effect increased by 12, 30, and 41 percentage points respectively, and the efficiency was significant.
Third, the conclusion
1. The synergies between the bizarre effects king (pesticide synergists, non-toxic side effects) and the halving of pesticides are all effective, and some pesticides have significant synergies. Therefore, they are worthy of demonstration and promotion in pollution-free production.
2.73% Ruijingjing and 20% Nuohongjiao are both low in toxicity, effective, and effective for a long period of time. They can be used for demonstration in Datian production; more than 24.5% of the insects are effective in control and can be used in non-pollution production. As a replacement for highly toxic, high residue pesticides transitional pesticides.
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