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Sterilization composition containing metconazole and JS399-19

A technology of cyanobacteryl and metconazole, which is applied in the directions of fungicides, biocides, biocides, etc., can solve problems such as drug resistance risks, and achieve the effects of reducing the dosage of drugs, having a significant bactericidal effect, and improving bactericidal activity.

Inactive Publication Date: 2014-01-08
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, indoor studies have shown that gibberella is very prone to resistance under the high selection pressure of such agents, and there is a certain risk of drug resistance

Method used

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  • Sterilization composition containing metconazole and JS399-19
  • Sterilization composition containing metconazole and JS399-19
  • Sterilization composition containing metconazole and JS399-19

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1. Field test

[0024] Mix metconazole and cyclostrobin according to the ratio of active ingredients 5:1, 1:5, 1:10 and 1:20 respectively, add additives and carriers, and mix them in a ratio of 5:1 and 1:10 Processed into wettable powder (WP), 1:5 and 1:20 ratio processed into suspending concentrate (SC) fungicide preparation, sequentially numbered compositions 1, 2, 3, 4, and carried out field tests.

[0025] The experimental sites were arranged in Baima Lake Farm in Huai'an, Jiangsu Province and Xinyang Farm in Yancheng City, where Fusarium scab has developed resistance to carbendazim. The wheat varieties were Huai Mai No. 22 and Huai Mai No. 33. In November 2012, the seeds were planted in the valley, and the field management was carried out according to the routine, and no other pesticides were used. On May 2, 2013, which is the early stage of wheat flowering, the first spraying was carried out with AGROLEX SPRAYER JACTOHD 16L knapsack sprayer, and the s...

Embodiment 2

[0032] Embodiment 2. Seed treatment test

[0033] The test was set up in the net room of the Plant Protection College of Nanjing Agricultural University, using disposable plastic cups, and the substrate was peat soil. The bottom of the plastic cup is perforated, placed on the tray, and water is added to the tray in the middle. 20 plants per cup. Before sowing, adopt the method of four kinds of formula seed dressings of the above-mentioned metconazole-cyclostrobin fungicidal composition 1, 2, 3, and 4 to carry out seed treatment, set active ingredient 5g ai / 100Kg seed, 10g ai / 100Kg seed, 20g ai / 100Kg seeds and blank control four treatments. Treat 100g of wheat seeds according to the treatment dose, make the seeds evenly adhere to the liquid medicine, dry for 24 hours and then sow. 4 pots per treatment. Check regularly after medication until 2 weeks after medication. The survey adopts direct contrast observation method and measurement method.

[0034] The test results show...

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Abstract

The invention relates to a sterilization composition which contains metconazole and JS399-19 (the chemical name of which is 2-cyan-3-amino-3-ethyl-phenylacrylate and the test number of which is 'JS399-19'), which serve as effective active components. When the weight ratio of the metconazole to the JS399-19 is (1-40):(40-1), a synergistic interaction effect can be achieved on suppression of the growth of gibberella saubinetii. The composition has a wide bacteriocidal spectrum and is mainly used for preventing and treating the wheat scab, the powdery mildew and the rust disease, and a preventing and treating effect is outstanding; the preventing effect is stabilized over 80 percent; the sterilization composition has the advantages of high fast-acting property and high persistence; furthermore, the yield of wheat can be increased, and the quality of the wheat can be improved. A working mechanism of the sterilization composition is novel; the number of working sites is large; the sterilization composition can treat the drug resistance of gibberella saubinetii to carbendazim as well as the powdery mildew to triadimefon; the generation and the development of the drug resistance of pathogenic bacteria to a triazole fungicide are delayed.

Description

technical field [0001] The invention discloses a fungicide composition containing metconazole and cyclostrobin, belonging to a novel, high-efficiency, low-toxicity mixture of two fungicides that can be used to prevent and treat various fungal diseases of wheat crops. Background technique [0002] Wheat is an important food crop in my country. Fusarium scab, powdery mildew and rust are important diseases that harm wheat production, affecting the yield and quality of wheat in my country for a long time, causing economic losses. At present, my country mainly uses triazole fungicides such as triadimefon, tebuconazole, and difenoconazole to treat seeds before sowing or spray benzimidazoles such as triadimefon and carbendazim during the growth period. Bactericides for control. However, after long-term use of these single-site fungicides, it has been found that powdery mildew and gibberella have developed resistance to fenxining and carbendazim, respectively, which poses a severe ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01P3/00A01N37/44
Inventor 周明国黄婷婷王建新段亚冰
Owner NANJING AGRICULTURAL UNIVERSITY
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