Big vein of lettuce: Interrelated effects of the disease and market price on head lettuce yield
AuthorsF. W. Zink
R. G. Grogan
Authors AffiliationsF. W. Zink is Associate Specialist in Vegetable Crops, University of California, Salinas; R. G. Grogan is Assistant Professor of Plant Pathology, University of California, Davis.
Hilgardia 9(2):8-8. DOI:10.3733/ca.v009n02p8. February 1955.
Big vein of lettuce occurs every year in California, especially in the spring crop of the central coastal area where practically 100% of the plants in some fields are affected.
Also in this issue:Costs of packing fresh grapes: Study shows reductions in costs of marketing table grapes are possible by improving operating methods
Crop controls and 1955 outlook: Shifts in land use pattern expected to follow acreage allotments for 1955 will influence farm incomes
Early sprays for mite control: European red mite on pear trees held in check by prebloom sprays until the summer treatment period
Cooling fruit in fibreboard: New containers for plums and pears tested for their suitability to present packing and shipping methods
Coniferous seedling survival: Poor survival may be due to physiological conditions associated with root-producing ability of planting stock
Stored strawberry plants: August planting in southern California frost-free areas gave crop in 1 instead of 1 1/2 years needed by April planting
Avocado variety investigations: Suitability of avocado varieties to climatic conditions of Riverside under long-term tests in experimental orchard
Avocado rootstock-scion studies: Compatibility between avocado and new rootstocks suitable to California is object of plant program
Chloride toxicity in avocados: Tests show chloride absorption and toxicity vary with the seedling variety and the form of nitrogen
Comparative histology of healthy and psorosis-affected tissues of Citrus sinensis
The effects of zinc and iron salts on the cell structure of mottled orange leaves