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Paper Information

Journal:   PLANT PROTECTION (SCIENTIFIC JOURNAL OF AGRICULTURE)   WINTER 2018 , Volume 40 , Number 4 ; Page(s) 61 To 72.
 
Paper: 

INVESTIGATING OVIPOSITION DETERRENCE AND FEEDING INHIBITION METHODS IN REDUCING THE DAMAGE TO MELON FRUIT PESTS

 
 
Author(s):  AKHLAGHI M.R., FARAZMAND H.*, VAFAEI SHOOSHTARI R.
 
* IRANIAN RESEARCH INSTITUTE OF PLANT PROTECTION, AREEO, TEHRAN, IRAN
 
Abstract: 

The fruit flies and cucurbit weevil are the most important pests of melon which can reduce the quantity and quality of the fruits. Several different synthetic insecticides have been used to control melon fruit pests. To reduce the use of chemical insecticides, application of non-chemical methods was tested in melon farms in Semnan region in 2014. Fruit cover with paper and cloth net, kaolin clay (Sepidan? WP 95%, 50000 ppm), mixture of kaolin (50000 ppm) and sulfur (WDG 80%, 10000 ppm), mixture of kaolin (50000 ppm) and azadirachtin (Nimarin? EC 15%, 2500 ppm), and dimethoate insecticide (Roxion? EC 40%, 1500 ppm) were sprayed over the whole canopy of melon. Based on the field studies, fruit covering and kaolin application deterred oviposition and reduced the fruit pest's damage. The percentages of oviposition deterrence for fruit flies and cucurbit weevil were 93.43, 78.19 for fruit cover with cloth net treatment and 83.49 and 38.19 for mixture of kaolin and sulfur treatment, respectively. The percentages of damage reduction for melon fruit pests were 11, 14, 22, 25 and 86 in cloth net cover, paper cover, mixture of kaolin and sulfur, kaolin and control treatments, respectively. Also, the results showed that fruit weight increased in the kaolin treatments. Therefore, application of fruit covers and mineral compounds such as kaolin and sulfur could be used successfully to reduce fruit pests’ oviposition and their damage on melon.

 
Keyword(s): MELON, MELON FLY, CUCURBIT FLY, CUCURBIT WEEVIL, OVIPOSITION DETERRENCE
 
References: 
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