Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury

Authors

C. D. McCarty
D. C. Purnell
M. J. Garber

Authors Affiliations

C. D. McCarty is Extension Field Technologist, University of California, Riverside; D. C. Purnell is Farm Advisor, San Bernardino County, University of California; M. J. Garber is Assistant Biometrician, University of California, Riverside.

Publication Information

Hilgardia 12(10):8-15. DOI:10.3733/ca.v012n10p8. October 1958.

PDF of full article, Cite this article

Abstract

Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.

McCarty C, Purnell D, Garber M. 1958. New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury. Hilgardia 12(10):8-15. DOI:10.3733/ca.v012n10p8

Also in this issue:

Canned fruits market, 1958-59: Sales records set by California's major canned fruit packs in 100th year but reduced crops influence 1958-59 outlook

Mechanical fruit tree shaking: Effect of frequency and stroke on fruit removal and power requirements analyzed in study of reciprocating type shaker

Rooting pear, plum rootstocks: Growth-regulator treatments and a warm preplanting storage period promoted rooting of fall-collected hardwood cuttings

Drill seeding of forage ranges: Heavy duty drill permits good placement of desirable grass and legume seeds for establishment of pasture on range land

Weeds controlled with cyanamid: New method for treating winter leafy vegetable crops with calcium cyanamid controlled weeds at moderate cost in tests

Nitrification of fertilizers: Ammoniacal fertilizers used in study on the rate nitrifying bacteria function at various ammonia concentrations in soils

Deficiencies of micronutrients: Influence of phosphate fertilizers on micronutrients in avocado leaves subject of long-term study of Fuerte orchard

Septoria leaf scorch of azalea: Disease especially severe in cloudy, damp weather controlled by spray treatment in tests on experimental plot in Eureka

Lemon fruit quality studied: Comparative tests made of several new strains frequently used to avoid some diseases prevalent in old line Eurekas

Four new asparagus varieties: Now in third season of trial in experimental and commercial plantings, new varieties show promise but more testing needed

Some mosaic diseases of Prunus species

Mosaic diseases of the rose in California

Webmaster Email: sjosterman@ucanr.edu