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Paper Information

Journal:   APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY   September 2001 , Volume 69 , Number 1; Page(s) 33 To 50.
 
Paper: 

STUDY ON BIOLOGY OF TETRANYCHUS CINNABARINUS (BOISD.) ON ORNAMENTAL PLANTS UNDER LABORTORY CONDITIONS

 
 
Author(s):  BARADARA P., ARBABI MASOUD, OSTOVAN HADI, KAMALI K.
 
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Abstract: 

Biology of carmine spider mite (Tetranychus cinnabarinus) has been studied on difterent ornamental host plants (Rose, Ficus, Gerbera, Gladiolus, and Dieffenbachia) under laboratory conditions (20±2, 26±2, 30±2°C,30-60% R. H. and 16 Land 8 D), during 1998- 1999. Both sexes of mite have three developmental stages (larva, protonymph and deutonymph) and interrupted with a quiescent stage in between. Min. and Max. duration of immature stages for male and female recorded 1I.01±0.67,28.33±1.2and 11.42± 0.48, 33.25±1.88days under 30±2 and 20 ±2°C on rose and ficus respectively. Analysis of collected data indicated that, a negative correlation between in an increase of temperature and reduction in mite developmental stages and in female longevity also observed. Under field condition of Varamin region the female mite entered in diapause when temperature fall below mean of 15°C. Effect of different laboratory temperatures on diapause of female mite were studied. A negative correlation observed when diapause interrupted by an increase of temperature. but statistically was not signigicent at the rate of oviposition.

 
Keyword(s): TEFRANYCHUS CINNOBARINUS, BIOLOGY, ORNAMENTAL PLANTS
 
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