Navel orangeworm on walnuts: Infestations in northern California orchards dependent on population overwintering in past crop's waste left in field
AuthorA. E. Michelbacher
Author AffiliationsA. E. Michelbacher is Associate Professor of Entomology, University of California, Berkeley.
Hilgardia 10(6):8-8. DOI:10.3733/ca.v010n06p8. June 1956.
The navel orangeworm infestation in the 1955 walnut crop in northern California was less than it was in 1954, but whether the downward trend will continue in 1956 is unknown.
Michelbacher A. 1956. Navel orangeworm on walnuts: Infestations in northern California orchards dependent on population overwintering in past crop's waste left in field. Hilgardia 10(6):8-8. DOI:10.3733/ca.v010n06p8
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