Zinc effect on citrus, avocado: Large concentrations of zinc added to sand or soil cultures corrected mottle-leaf, increased leaf size and tree growth
AuthorsJoseph N. Brusca
A. R. C. Haas
Authors AffiliationsJoseph N. Brusca is Principal Laboratory Technician in Plant Biochemistry, University of California, Riverside; A. R. C. Haas is Plant Physiologist, Emeritus, in Plant Biochemistry, University of California, Riverside.
Hilgardia 13(1):12-12. DOI:10.3733/ca.v013n01p12. January 1959.
Zinc can stimulate the growth of citrus and avocado trees. Applied to the roots in nutrient solution at concentrations greater than required in sprays to correct mottled leaf symptoms, zinc will promote vegetative growth.
Also in this issue:The chemical status of zinc in the soil with methods of analysis
Evaporated milk in California: Analysis made of in-plant costs and relationship between the unit cost of processing and output rate of plant production
Alfalfa wafers for dairy cows: No significant differences detected between alfalfa wafers and alfalfa hay in feeding trials with lactating heifers
Alfalfa and sorghum silages: Experiments indicate no difference between sweet forage-type sorghum and dual purpose-type when fed as silage to steers
Abnormalities in tomato fruits: Effects of fruit-setting plant hormones and nitrogen level in relation to quality and storage life of tomatoes studied
Quality study on strawberries: Experiments with Shasta berries show harvested fruit should be protected against the effects of high field temperatures
Control of drywood termites: Infestation or reinfestation after eradication prevented by treatment with inert dusts nontoxic to humans or animals
Peach tree borer on apricots: Trunk treatments for the control of major pest of apricots, prunes, plums, and peaches in the coastal growing districts
Micronutrients in valencias: Study made on the effects of nitrogen fertilization on the micronutrient concentrations in leaves of Valencia orange