Green Peach Aphid Populations on Desert Sugar Beets1

Abstract
The green peach aphid (Myzus persicae (Sulzer)) has about nine generations on desert beets between October 15 and March 31. Alatae produced ranged from 15% in low to 99% in high populations. During the 1959-60 season the average production of alatae was more than 25 million per acre, mostly after February 15.

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