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Pesticides may reduce lettuce yield

Pesticides may reduce lettuce yield

California Agriculture 35(11/12): 4-5

ISSN/ISBN: 0008-0845

Several insecticides were used on the lettuce Climax in 1979 and on the cvs Great Lakes and Mesa in 1980. Half the plots were sprayed during the whole season and the other half from germination to thinning and from head formation to harvest. All insecticides tested adversely affected photosynthesis and transpiration.

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Accession: 000948166

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