. Control of diabrotica, or Western spotted cucumber beetle, in deciduous fruit orchards. Diabrotica; Diabrotica; Fruit. 28 University of California- 1400 -Experiment Station q: UJ Q_ < »— o cc CO < Q U_ O a: UJ CD 2 lx UJ ipoo 800 600 400 200. 21-30 Fig. 18.—Reduction in diabrotica population in three orchards fol- lowing dusting with Pyrocide (pyrethrins, per cent) in talc. The three tall bars at the left indicate the populations at the time of dusting; the shorter bars indicate later counts in the respective orchards. The orchards represented by the black and the cross-hatch


. Control of diabrotica, or Western spotted cucumber beetle, in deciduous fruit orchards. Diabrotica; Diabrotica; Fruit. 28 University of California- 1400 -Experiment Station q: UJ Q_ < »— o cc CO < Q U_ O a: UJ CD 2 lx UJ ipoo 800 600 400 200. 21-30 Fig. 18.—Reduction in diabrotica population in three orchards fol- lowing dusting with Pyrocide (pyrethrins, per cent) in talc. The three tall bars at the left indicate the populations at the time of dusting; the shorter bars indicate later counts in the respective orchards. The orchards represented by the black and the cross-hatched bars received applications of 50 pounds per acre; that of the horizontally hatched bar, 46 pounds per 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 Michelbacher, A. E. (Abe Ezra), 1899-1991; MacLeod, G. F. (Guy Franklin), 1897-1981; Smith, Ray F. Berkeley, Cal. : Agricultural Experiment Station


Size: 2349px × 1063px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublisherberkeleycalagric, booksubjectfruit