Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Red mite on citrus: Timing control treatments important and influenced by climate of growing areas

Author

L. R. Jeppson

Author Affiliations

L. R. Jeppson is Associate Entomologist, University of California, Riverside.

Publication Information

Hilgardia 12(3):11-11. DOI:10.3733/ca.v012n03p11. March 1958.

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Abstract

Populations of red mite—spider—on citrus are influenced by temperature and humidity, local air movements and weather variations.

Jeppson L. 1958. Red mite on citrus: Timing control treatments important and influenced by climate of growing areas. Hilgardia 12(3):11-11. DOI:10.3733/ca.v012n03p11

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Citrus trees in water cultures: Information derived from studies using nutrient solutions as tools of research is of inestimable value to citrus industry

Effect of nontillage of navels: Relation of some tillage practices to water infiltration, yield, and quality of oranges part of fertilizer experiment

Splitting of Navel oranges: Studies indicate local temperature and humidity more closely related to incidence of injury than is soil moisture content

Albinism in citrus seedlings: Nongenetic absence or deficiency of chlorophyll in seedlings prevented by treating freshly extracted seeds with fungicide

Iron and zinc foliage sprays: Radioactive tracers being used in basic studies on factors influencing absorption and translocation of micronutrients

Chlorine absorption: All portions of citrus trees grown in soil cultures absorbed chlorine in test

Grocery store credit service: Combinations of credit with telephone and delivery services are related to the locations, ownership and sizes of stores

Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests

Toxicity studies with arsenic in eighty California soils

Arsenic fixation in relation to the sterilization of soils with sodium arsenite

Toxicity studies with sodium chlorate in eighty California soils

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