אסיף מאגר המחקר החקלאי

Acetaldehyde Toxicity to the Green Peach Aphid on Harvested Head Lettuce in High Carbon Dioxide or Low Oxygen Atmospheres

Year:

1979

Source of publication :

Authors :

Volume :

72

Co-Authors:

Preston L. Hartsell, Joseph K. Stewart, David K. Young

Facilitators :

Link :

Abstract:

Fumigation for 4 h with acetaldehyde (Aa) vapor in an atmosphere containing 25–35% carbon dioxide (CO₂) increased the mortality of Myzus persicae (Sulzer) ca. 3-fold as compared with Aa fumigation alone. All aphids were killed by treatment with 1% Aa in 50–60% CO₂ or 1.5% Aa in 35% CO₂ as compared to 32 and 92% mortality, respectively, in treatments without CO₂, Fumigation with Aa vapor in a low oxygen (1–2%) atmosphere did not increase the mortality rate of the aphids.

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