. Chemical control of woody plants in California. Woody plants; Herbicides. Table 1. The effect of spraying at different times of year on the kill of brush sprouts and seedlings. The chamise was burned in 1950, seeded to perennial grasses, and sprayed in 1952 with 2 pounds of 2,4-D (low-volatile ester) in 2 gallons Diesel oil and 38y2 gallons of water per acre. Notes on the kill of woody plants were recorded in the summer of 1953. Number of live plants per acre Date of treatment Chamise sprouts Toyon Yerba santa Brush seedlings Chamise Ceanothus Manzanita Feb. 25 March 28 150 180 0 330 1
. Chemical control of woody plants in California. Woody plants; Herbicides. Table 1. The effect of spraying at different times of year on the kill of brush sprouts and seedlings. The chamise was burned in 1950, seeded to perennial grasses, and sprayed in 1952 with 2 pounds of 2,4-D (low-volatile ester) in 2 gallons Diesel oil and 38y2 gallons of water per acre. Notes on the kill of woody plants were recorded in the summer of 1953. Number of live plants per acre Date of treatment Chamise sprouts Toyon Yerba santa Brush seedlings Chamise Ceanothus Manzanita Feb. 25 March 28 150 180 0 330 0 0 0 43 43 43 0 0 0 20 21 344 0 0 0 172 2,150 3,784 0 0 0 21 258 2,150 0 0 April 17 0 May 16 0 July 14 43 Untreated 129 Chaparral. The term chaparral as used in California refers to shrubby vegetation with predominantly broad and thick evergreen leaves—including the various manzanitas, Ceanothus spe- cies, and scrub oak. Chaparral would be handled in a manner similar to chamise (above), especially after burning. Although not at present recommended, one test using a helicopter appears to have been suc- cessful on a scrub oak area. Using high-. Scrub oak killed by spraying with helicopter. Browsing by deer after spraying contributed to the kill. The area was burned 1 V2 years before spraying, and is virtually freed of chamise and other brush. Broadleaf weeds are not abundant. (L. J. and George Gamble ranch.) [17]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Leonard, O. A. (Oliver Andrew), 1911-1975; Harvey, W. A. (William Alfred), 1914-1989. Berkeley, Cal. : California Agricultural Experiment Station
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