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The evaluation of antibiosis of selected lines for resistance of melon to the carmine spider mite Tetranychus cinnabarinus (Acari: Tetranychidae)

Published online by Cambridge University Press:  10 July 2009

Fadel Mansour  and
Zvi Karchi
Fadel Mansour
Affiliation:
Agricultural Research Organization, Newe Ya'ar Regional Experiment Station, Israel
Zvi Karchi
Affiliation:
Agricultural Research Organization, Newe Ya'ar Regional Experiment Station, Israel
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Abstract

Antibiosis of resistant melon lines to the carmine spider mite, Tetranychus cinnabarinus (Boisduval), was evaluated in the laboratory. Significant differences among lines were observed seven days after the inoculation of detached leaf disks. The most resistant lines, namely CHI-8, BUS-7 and BUS-3, reduced the average mite daily fecundity by 49%, 40% and 33%, respectively, as compared to the susceptible NY line. Resistance did not appear to be related to the growth habit. Selfing resistant melon parents resulted in a significant increase in the number of plants on which female mites produced less than one egg per day.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 80 , Issue 3 , September 1990 , pp. 345 - 347
Copyright
Copyright © Cambridge University Press 1990

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