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Pesticide composition containing orysastrobin

A technique of pesticide composition, orysastrobin, applied in the field of pesticide compounding, to achieve good control effect, strong adaptability, and improved control effect

Inactive Publication Date: 2012-08-15
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, long-term single and continuous use of the above agents has a higher risk of resistance

Method used

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  • Pesticide composition containing orysastrobin
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  • Pesticide composition containing orysastrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Toxicity determination of oryzastrobin combined with any of econazole, hexaconazole and triconazole against rice blast fungus in laboratory

[0042] Test object: rice blast fungus collected from the field

[0043] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", pot method. Select rice seedlings at the three-leaf stage with consistent growth potential, 2 seedlings per pot, and 5 pots of rice seedlings for each treatment. Cultivate Magnaporthe grisea on tomato oat agar medium, wash the spores with sterile water after spore production, and make 1×10 5 spores / mL suspension, sprayed evenly on the rice seedlings to be tested, and covered with a black plastic bag to moisturize and cultivate for 24 hours after inoculation. 24 hours after inoculation, carry out medicament treatment, set 5 concentration gradients for each medicament, and spray at 50PSI pressure with a Potter spray tower, about 5mL per pot. After spraying, the ...

Embodiment 2

[0062] Toxicity determination of orysastrobin combined with any of econazole, hexaconazole and triaconazole against rice sheath blight

[0063] Test object: Rice sheath blight fungus collected from the field

[0064] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", broad bean detached leaf method. Rice sheath blight fungus is cultivated with PDA medium, and when the bacterial colony just covers the petri dish, a puncher with an inner diameter of 5 mm is used to punch holes from the edge, and the resulting mycelium block is used as an inoculum. Select broad bean leaves with the same leaf position, 10 leaves for each treatment, soak in the prepared medicinal solution for 10 minutes, take it out to dry, put it in a petri dish covered with moisturizing paper, and set 5 concentration gradients for each medicinal solution. Finally, the mycelium block was placed upside down in the center of the leaves, and cultured in a constant temp...

Embodiment 3

[0077] Biological Assay Example 3: Indoor Toxicity Determination of Oryzastrobin and Econazole, Hexaconazole, and Triconazole Compounded to Rice Aspergillus

[0078] Test object: rice smut fungus collected from the field

[0079] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. The rice smut fungus is cultivated with PDA medium. When the bacterial colony is just full of the petri dish, a puncher with an inner diameter of 7 mm is used to punch holes from the edge, and the resulting mycelium block is used as an inoculum. Take 5ml of prepared medicine solution and 75ml of sterilized culture medium and mix evenly to make 4 medicine-containing liquid plates, and mix equal amount of sterile water and culture medium as a control. The mycelium block was placed upside down and placed in the center of the plate, and cultured in a 28°C incubator. After 7 days, the colony diameter was measured by the cross me...

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Abstract

The invention discloses a pesticide composition containing orysastrobin. The pesticide composition is formed by performing binary compounding by taking an active ingredient A, namely the orysastrobin, and an active ingredient B as active ingredients, wherein the active ingredient B is any one of epoxiconazole, hexaconazole and flutriafol, the ratio of the percentage by weight of the active ingredient A to the active ingredient B in the composition is (1:70)-(70:1), and the sum of the weight of the active ingredient A and the active ingredient B accounts for 5-75% of the total weight of the pesticide composition. The pesticide composition can be prepared into wettable powder, water dispersible granules, suspension concentrate, microcapsule suspension concentrate, microemulsion or emulsion in water and other conventional formulations. The composition is used for controlling agricultural plant diseases, in particular to rice sheath blight, rice false smut, rice blast and other diseases. The bactericide composition disclosed by the invention has the advantages of high efficiency, long lasting period, effects of reducing environmental pollution and delaying the production of medicament resistance of pathogenic bacteria and the like.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a pesticide composition containing orysastrobin. Background technique [0002] During the entire growth process of crops, they are faced with the threat of many pests such as diseases, insects, and weeds. Among them, diseases, especially fungal diseases, are characterized by various types, complex symptoms, rapid spread, serious damage, and compound occurrence. It makes it more difficult to control and poses a huge threat to crop yield and quality. In the process of agricultural production, in order to reduce the losses caused by fungal diseases, chemical control is one of the more significant means at present. The currently used medicaments produce different degrees of resistance, and it is reported that due to this unscientific drug use method, the resistance generation time of various medicaments is shortened year by year, resulting in a substantial increase in ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N37/50A01P3/00
Inventor 李现玲张攀宋娜张继甫郑宏文
Owner GAUNGXI TIANYUAN BIOCHEM
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