Resistance in Alfalfa to Acyrthosiphon kondoi12

Abstract
Ten alfalfa cultivars and 4 experimental lines were evaluated for resistance to Acyrthosiphon kondoi Shinji in a greenhouse test. The seedling survival of the progeny of CUF-101 was 52.7 and varied from 15.0–45.1% in UC-I02. Percentage seedling survival of the remaining 12 alfalfas varied from 0–1.3%. CUF-101 and UC-102 are the 1st alfalfas to be developed for resistance to this aphid.

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