Chemicals on weeds in onions: Selective herbicides tested for economical control of common broad-leaved weeds and for effects on commercial onion crop
Thomas M. Little
C. Allen Shadbolt
Authors AffiliationsDelbert Purnell is Farm Advisor, San Bernardino County, University of California; Thomas M. Little is Extension Vegetable Specialist, University of California, Riverside; C. Allen Shadbolt is Assistant Olericulturist, University of California, Riverside.
Hilgardia 13(5):13-15. DOI:10.3733/ca.v013n05p13. May 1959.
Trials conducted in commercial onion fields in San Bernardino County indicate that weed competition can be reduced materially by the use of selective herbicides.
Purnell D, Little T, Shadbolt C. 1959. Chemicals on weeds in onions: Selective herbicides tested for economical control of common broad-leaved weeds and for effects on commercial onion crop. Hilgardia 13(5):13-15. DOI:10.3733/ca.v013n05p13
Also in this issue:Cotton price and production: Long term gains for California cotton growers depend on competitive pricing and growth of domestic, export markets
Commercial cut flower industry: Expansion of merchandising outlets for floral products needed to balance increased output capacity of growers
Sugar-beet nematode activity: Yields increased by early planting in sugar-beet nematode infested fields in date-of-planting tests in Monterey County
Polyethylene over strawberries: Strawberry bed covers markedly influence soil temperature and earliness of fruit in Orange and San Diego county tests
Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests
Plantclimates of California: Zones of similar plant responses and their possible interpretation by effective day-night temperatures
Developmental anatomy of the fleshy storage organ of Daucus carota
Structure of end walls in differentiating vessels
Comparative histogenesis of vegetative and floral apices in Amygdalus communis, with special reference to the carpel