Abdel-Rahman,, S., Ibrahim, A., Soliman, S. (2007). SEMI FIELD AND LABORATORY TRIALS TO STUDY THE SUSCEPTBILITY OF DIFFERENT FABA BEAN VARIETIES TO Tetranychus urticae KOCH INFESTATION. Journal of Plant Protection and Pathology, 32(2), 1507-1512. doi: 10.21608/jppp.2007.219433
Soheir I. Abdel-Rahman,; Abla A. Ibrahim; S. M. Soliman. "SEMI FIELD AND LABORATORY TRIALS TO STUDY THE SUSCEPTBILITY OF DIFFERENT FABA BEAN VARIETIES TO Tetranychus urticae KOCH INFESTATION". Journal of Plant Protection and Pathology, 32, 2, 2007, 1507-1512. doi: 10.21608/jppp.2007.219433
Abdel-Rahman,, S., Ibrahim, A., Soliman, S. (2007). 'SEMI FIELD AND LABORATORY TRIALS TO STUDY THE SUSCEPTBILITY OF DIFFERENT FABA BEAN VARIETIES TO Tetranychus urticae KOCH INFESTATION', Journal of Plant Protection and Pathology, 32(2), pp. 1507-1512. doi: 10.21608/jppp.2007.219433
Abdel-Rahman,, S., Ibrahim, A., Soliman, S. SEMI FIELD AND LABORATORY TRIALS TO STUDY THE SUSCEPTBILITY OF DIFFERENT FABA BEAN VARIETIES TO Tetranychus urticae KOCH INFESTATION. Journal of Plant Protection and Pathology, 2007; 32(2): 1507-1512. doi: 10.21608/jppp.2007.219433
SEMI FIELD AND LABORATORY TRIALS TO STUDY THE SUSCEPTBILITY OF DIFFERENT FABA BEAN VARIETIES TO Tetranychus urticae KOCH INFESTATION
Plant Protection Research Institute, Agric. Res. Center, Dokki, Giza
Abstract
A semi field trial was done to estimate the population numbers of the different stages of the two spotted spider mite, Tetranychus urticae on six different varieties of Faba bean, which are Giza 40, Giza 3, Nubaria 4, Masr 2, Masr 1, and Giza 2. Two levels of artificial infestation, 2 and 4 adult females of about the same age per plant beside control were noticed and recorded. Obtained results revealed that, there are significant differences in number of eggs, adult females and males. On the other hand, no-significant differences in the number of moving immature stages were noticed. This study showed a variable significant difference in the average numbers for all stages for the tested six faba bean varieties when infested with T. urticae. Observation of inspection showed significant differences of the average numbers and abundance of the mite T. urticae. The laboratory studies estimate the influence of the six faba bean varieties. On developmental stages of mite T. urticae, results revealed that incubation period, total immature stages and life cycle have low significant differences. On the other hand, the average durations of life span, longevity and fecundity have significant differences.
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