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Mixed formulation for Chinese pear quarantine treatment and low temperature treatment technology thereof

A mixed dosage form and pear technology, which is applied in the field of quarantine treatment of pear pathogenic fungi and foreign-eating pests, can solve the problems of lack of methods and standards, and achieve the effects of short processing time, avoiding adverse effects, and low pesticide residues

Inactive Publication Date: 2010-12-29
CHINESE ACAD OF INSPECTION & QUARANTINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, post-harvest and pre-export quarantine treatment of pears, especially the quarantine treatment of pear diseases, still lack a set of effective methods and standards

Method used

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  • Mixed formulation for Chinese pear quarantine treatment and low temperature treatment technology thereof
  • Mixed formulation for Chinese pear quarantine treatment and low temperature treatment technology thereof
  • Mixed formulation for Chinese pear quarantine treatment and low temperature treatment technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The 99% purity of 10% imidacloprid wettable powder and the 99% purity of 50% imazalil emulsifiable concentrate were diluted 1:200 and 1:833 respectively to prepare a mixed medicine working liquid.

Embodiment 2

[0016] At a temperature of 5°C, different concentrations of imidacloprid were used to treat the mature larvae of Psylla psyllus with medicament, and observe its killing effect after the treatment. LC50 is the concentration of imidacloprid required for 50% killing rate, and LC95 is the concentration of imidacloprid required for 95% killing rate.

[0017] Table 1 Indoor virulence determination of different pesticides for preventing and controlling Psylla

[0018]

Embodiment 3

[0020] At a temperature of 5°C, different concentrations of imidacloprid were used to treat the mature larvae of Tetranychus hawthorne, and observe its killing effect after the treatment. LC50 is the concentration of imidacloprid required for 50% killing rate, and LC95 is the concentration of imidacloprid required for 95% killing rate.

[0021] Table 2 Indoor virulence determination of different pesticides against hawthorn spider mites

[0022]

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PUM

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Abstract

The invention discloses a mixed formulation for Chinese pear pathogenic fungi and ectophagous pest quarantine treatment and low temperature treatment technology thereof. The mixed formulation is characterized in that: the medicament is the mixed formulation of 500ppm imidacloprid and 600ppm imazalil; and the treatment condition is that the Chinese pear is soaked in the mixed formulation at the temperature of between 0 and 5 DEG C for 10 minutes. The mixed formulation can be used under the refrigeration condition, has good effect of killing Alternaria kikuchiana carried by the Chinese pear and internationally concentrated quarantining pests such as pear psylla and Tetranychus viennensis Zacher, has low residue and no phytotoxicity on the Chinese pear, and can be used for quarantine treatment after the Chinese pear is picked and before the Chinese pear is loaded and transported.

Description

Technical field [0001] The invention relates to a quarantine treatment technique for pathogenic fungi and phagocytic harmful organisms of Yali pear, in particular to a mixed dosage form for quarantine treatment of Yali pear and its low-temperature treatment technique. Background technique [0002] Pyrus bretschneideri Rehd. is one of the most famous varieties of Chinese pears. It is known for its beautiful fruit shape, fresh color, thin skin and tender flesh, sweet and refreshing. Yapears from Hebei and Shandong have been exported to the United States since 1997, and later become the main fruit varieties exported to the United States, Canada, the European Union, Australia, Japan and Southeast Asia. It is a major industry for local economic development and farmers' income increase. Among them, Hebei Province has a planting area of ​​3.5 million mu and an output of more than 2.5 million tons, ranking first in China, accounting for 31.70% of the national pear output and 16.20% of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/05
Inventor 王跃进刘波刘涛李丽张广平詹国平
Owner CHINESE ACAD OF INSPECTION & QUARANTINE
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