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RELATIVE SUSCEPTIBILITY OF CERTAIN POTATO VARIETIES TO POTATO TUBER MOTH, PHTHORIMAEA OPERCULELLA (ZELLER) INFESTATIONS
Arab Universities Journal of Agricultural Sciences
Field trials and laboratory experiments were undertaken for monitoring the relative susceptibility of four potato varieties namely; Atlas, Spunta, Simone and Nicola to potato tuber moth (PTM) Phthorimaea operculella (Zeller) infestations. Experiments were carried out for two summer plantations during 2006 and 2007. Results obtained indicate that Nicola potato variety was the least susceptible one among the four tested varieties. The least infestation (5.5 & 7.17) as average number of larvae/100doi:10.21608/ajs.2008.15029 fatcat:n7jmcb4k5nccfjsbege6so6r5y