Paper Information

Journal:   APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY   March 2003 , Volume 70 , Number 2; Page(s) 101 To 120.
 
Paper: 

COMPARISON OF REARING METHODS OF TWO PREDATORY MITES SPECIES TYPHLODROMUS KETTANEHI DOSSE AND EUSEIUS FINLANDICUS (OUDEMANS) (ACARI: PHYTOSEIIDAE)

 
 
Author(s):  SHIR DEL D., OSTOVAN HADI, KAMALI K., ARBABI MASOUD
 
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Abstract: 

Two predatory mites species, Typhlodromus kettanehi Dosse and Euseius finlandicus (Oudemans), were found native to East Azarbaijan province of Iran. They often recorded with high population, especially on apple and walnut fruit trees. In order to comparison of their rearing methods, an experiment was carried out in the form of factorial with completely randomized design (CRD) in 5 replicates. Factors of the experiment were: factor A, rearing substrate (with two kinds of substrates, plastic substrate and bean leaf); factor B, kind of predatory mite species (with two above mentioned species) and factor C, rearing diet (with three kinds of foods, i. e. Tetranychus urticae Koch, almond pollen and combination of prey mite and pollen). Two kinds of rearing substrates with three kinds of diets formed six different rearing methods for each predator species. Experimental substrates sizes was 5x5 cm and 60 numbers of them were placed into 5 plastic pans. The initial numbers of the predatory mites per experimental substrate were 10 fertilized females. The number of predatory mite stages were counted for each experimental substrate after 15 days under 24± 2 oC, 60± 5% RH and 14L: 10D hours. The data obtained of predatory abundance were analyzied, which results indicated that, T. kettanehi on plastic substrate or bean leaf and almond pollen or combination of T. urticae with almond pollen, and rearing of E.finlandicus only on bean leaf and with these diets were found suitable methods, whereas, results was reversed when two predatory species reared on bean leaf and prey mite.

 
Keyword(s): REARING METHODS, TYPHLODROMUS KETTANEHI, EUSEIUS FINLANDICUS, REARING SUBSTRATE AND DIET
 
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