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Chinese Agricultural Science Bulletin ›› 2018, Vol. 34 ›› Issue (28): 120-123.doi: 10.11924/j.issn.1000-6850.casb18050001

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Lethal Effect of Heat Treatment on Insect States of Callosobruchus chinensis

  

  • Received:2018-05-01 Revised:2018-05-31 Accepted:2018-06-19 Online:2018-10-11 Published:2018-10-11

Abstract: To obtain the temperature and time of the total control of Callosobruchus chinensis, the most tolerated high temperature was tested. We selected 35, 45 and 55℃ to treat the eggs, larvae, pupa and adults of C. chinensis for 30, 60, 90, 120, 150 and 180 minutes, respectively. The mortality rates of C. chinensis after different treatments were determined. The results showed that the most heat- resistant insect state of C. chinensis was the pupa stage. After treatment of 150 min at 55℃ during the pupa stage, the mortality rate of the C. chinensis reached 100%. Therefore, it is feasible to use high temperature to prevent and control C. chinensis in storage.

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