Scaly bark disease of citrus: Nine-year study of seven older orange orchards indicates advance of psorosis may be faster than is generally believed
AuthorsPaul W. Moore
Authors AffiliationsPaul W. Moore is Specialist in Citrus Grove Rejuvenation Research, University of California, Riverside; Edward Nauer is Assistant Specialist in Horticulture, University of California, Riverside.
Hilgardia 11(6):11-15. DOI:10.3733/ca.v011n06p11. June 1957.
Psorosis—scaly bark—is a progressive disease which may take several years to render a tree unprofitable or completely nonproductive. Nevertheless, it can take a bearing tree out of production faster than replants can be brought into production.
Also in this issue:Two-price system for barley: Analytical study of economic and administrative aspects of a probable dual pricing program indicates increased returns
Mechanized grape grafting: Portable machine developed for bench or field grafting of grapes saves time and eliminates the need for skilled labor
Grape leaf folder: Field tests compared effectiveness of insecticides in control of vineyard pest
Crown blight of cantaloupe: Experimental plots established in Imperial Valley to refute or confirm observations made in earlier studies of disorder
Frost protection by sprinklers: Use of overhead sprinklers for frost protection on low growing plants tested on blueberries in Santa Cruz County
Russet on Bartlett pears: Neither sprays nor dusts applied during the cluster-bud and bloom period increased russeting in tests during 1956 season
Fumigants for citrus nematode: Several fumigants available for treatment of old citrus soil for control of nematode before replanting with young trees
Outline of ampelography for the vinifera grapes in California