Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Pruning-time studies on grapes: Southern California investigations on relationship between vine pruning time and the so-called grape bud mite problem

Authors

Martin M. Barnes
Chester L. Hemstreet
Charles L. Turzan

Authors Affiliations

Martin M. Barnes is Assistant Entomologist, University of California College of Agriculture, Riverside; Chester L. Hemstreet is Farm Advisor, San Bernardino County, University of California College of Agriculture; Charles L. Turzan is Senior Laboratory Technician, University of California College of Agriculture.

Publication Information

Hilgardia 6(2):6-14. DOI:10.3733/ca.v006n02p6. February 1952.

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Abstract

Vineyard pruning-time studies in southern California—for the season of 1950 and confirmed in 1951—have shown a relationship between pruning time in head-pruned vineyards and the incidence of so-called bud mite injury. This term was adopted in California following general acceptance of a diagnosis in which the grape bud mite, a physiological strain of Eriophyes vitis (Pgst.), was designated as the causal agent of certain growth abnormalities and crop losses in vineyards.

Barnes M, Hemstreet C, Turzan C. 1952. Pruning-time studies on grapes: Southern California investigations on relationship between vine pruning time and the so-called grape bud mite problem. Hilgardia 6(2):6-14. DOI:10.3733/ca.v006n02p6
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