. Commercial mass culture of the California red scale parasite : Aphytis lignanensis. Citrus; Scale insects. Fig A squash-holding rack loaded with scale-infested squash. 64 1/2. Fig. 17. Details of a squash-holding rack. 210 trays. The metal frame for these is made of % x % inch angle iron. One- half inch hardware cloth forms the bot- tom and a hardwood brace is placed across the middle, as shown in figure 18. This brace lends support to the hardware cloth and minimizes sag. [41]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for rea
. Commercial mass culture of the California red scale parasite : Aphytis lignanensis. Citrus; Scale insects. Fig A squash-holding rack loaded with scale-infested squash. 64 1/2. Fig. 17. Details of a squash-holding rack. 210 trays. The metal frame for these is made of % x % inch angle iron. One- half inch hardware cloth forms the bot- tom and a hardwood brace is placed across the middle, as shown in figure 18. This brace lends support to the hardware cloth and minimizes sag. [41]. 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 DeBach, Paul; White, Ernest B. Berkeley, Calif. : Division of Agricultural Sciences, University of California, California Agricultural Experiment Station
Size: 1542px × 1621px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1900, booksubjectcitrus, booksubjectscaleinsects