Soil desiccation and fumigation for armillaria root rot in citrus
AuthorsR. L. Rackham
W. D. Wilbur
T. E. Szuszkiewicz
Authors AffiliationsRobert L. Rackham is Farm Advisor, San Bernardino County; Wesley D. Wilbur is Laboratory Technician IV, Plant Pathology Department, University of California, Riverside; Theodore E. Szuszkiewicz is Laboratory Technician IV, Irrigation Department, University of California, Riverside; Joe Hara, deceased, was Laboratory Technician IV, Plant Pathology Department, University of California, Riverside.
Hilgardia 22(1):16-18. DOI:10.3733/ca.v022n01p16. January 1968.
Numerous Unsuccessful attempts have been made to replant sites in citrus groves where trees have been infected with Armillaria mellea. The original rootstock, sweet orange, is susceptible. Some sour orange rootstocks are resistant to the disease, but cannot be recommended because of susceptibility to tristeza (quick decline). Troyer citrange and trifoliate orange are most commonly replanted now, but both are extremely susceptible to Armillaria mellea. An Ichang hybrid has shown resistance in greenhouse tests and is now being field tested.
Also in this issue:Influences of forests on snow in the ponderosa-sugar pine-fir zone of the central Sierra Nevada
Mobile gamma irradiator
Orchard heating with solid fuel heating bricks — under minimum favorable conditions
Fertilizer trials with safflower in sacramento valley
Hollow stem in broccoli
Decline of quince-rooted pear trees in Santa Clara County
Washing citrus leaves for leaf analysis
Vegetative propagation of quaking aspen
Sugar beet yields increased by phosphorus fertilization