Wood pocket: May be result of virus or toxin in parent tree in certain strain of Lisbon lemon
AuthorsH. S. Fawcett
E. C. Calavan
Authors AffiliationsH. S. Fawcett is Professor of Plant Pathology, Emeritus, and Plant Pathologist in the Experiment Station, Emeritus, Riverside; E. C. Calavan is Assistant Plant Pathologist in the Experiment Station, Riverside.
Hilgardia 2(9):12-15. DOI:10.3733/ca.v002n09p12. September 1948.
A defect or break in the bark is often the first outward symptom of wood pocket in a certain strain of semidense Lisbon lemon. A discoloration of the wood immediately inward from the break is found at the cambium.
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Citrus pest control: Studies made of results from the addition of 2,4-D to oil sprays
Fertilization of celery: Adequate supply of nitrogen required for best yields
Alternate bearing of avocado: May be corrected eventually by one of two possible solutions to problem
Abscission: Chemical control of shedding or dropping of plant parts
Fruit-stem die-back: Reduction is extra benefit of application of 2,4-D to citrus for fruit drop control
Weed control: Effectiveness of soil treatment compared with contact sprays in rank growing crops
Control of rats and mice: Effectiveness requires continuous application of proven methods
Onion seed yields increased: By adequate supply of irrigation water
Sulfa drugs tested: For control of coccidiosis, pullorum, typhoid and cholera in chickens
Aphid control on potatoes: Experimental plots near Arvin and Shafter used to test effectiveness of insecticides
Swine production: Development of bacon-type hog considered by California growers
A preliminary study of petroleum oil as an insecticide for citrus trees