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J. Walgenbach | 1994The distribution patterns of parasitized and nonparasitized potato aphids, Macrosiphum euphorbiae (Thomas), were assessed on four plantings of staked tomatoes from 1988 to 1990. Within plant distribution of nonparasitized aphids changed through [...]
article/chapitre/communication
J. Walgenbach | 1997Field studies were conducted in 1990 and 1992 to measure the impact of potato aphid, Macrosiphum euphorbiae (Thomas), infestations on the yield, quality, and economics of staked, fresh-market tomato production. Treatments consisted of a nontreat[...]
