Cabbage looper control on seedling lettuce

In the Imperial Valley, populations of the cabbage looper, Trichoplusia ni (Hubner) (photo) often build up on cotton and gradually spill into seedling lettuce in the fall. Looper infestations in lettuce are so heavy some years, that lettuce production would be in jeopardy unless efficiently controll...

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Bibliographic Details

Published in:	California Agriculture
Main Authors:	R Sharma, N Toscano, K Kido, A Van Maren
Format:	Article
Language:	English
Published:	University of California Agriculture and Natural Resources 1975-08-01
Online Access:	https://californiaagriculture.org/article/111942-cabbage-looper-control-on-seedling-lettuce