Black-end of pear: Problem is subject of extensive field and laboratory studies
AuthorL. D. Davis
Author AffiliationsL. D. Davis is Professor of Pomology and Pomologist in the Experiment Station, Davis.
Hilgardia 2(6):10-15. DOI:10.3733/ca.v002n06p10. June 1948.
Intensive investigations have been conducted in the field and in the laboratory since about 1930 regarding black-end or hard-end condition of pears and the relation of the rootstock to the incidence of the disease.
Also in this issue:California Clingstone peaches: Economic status, 1948
Effect of potash on oranges: Studies on deficiency and excess in relation to tree growth, composition and fruit quality
Studies on dehydration of figs: Reduction in yeast count achieved is considered advantage for this type of drying
Low volume spraying: Of deciduous fruit trees successful with air carrier speed sprayers
Irrigation practices: Efficiency of different systems determined by various factors
Avocado root rot: Two-phase series of experiments to determine control methods
Suggestions for vineyard fertiliization: Test plots recommended to determine most efficient fertilization proggram
Two new table-wine grapes: Promising in combining high productivity and wine quality
Citrus red mite: New chemical gives promising results in control experiments
PE in poultry: Variety of factors found to affect control of avian pneumoencephalitis
Sweet root orange trees: Symptomless hosts of the quick decline virus
Some factors affecting the irrigation requirements of deciduous orchards