. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 100 PAPERS OX CEREAL AND FORAGE INSECTS. tlie fourth side by a clean cultivated orchard. The plats were 1 square rod in area, as tliey were tlie year before, and separated from each otlier by strips of oats 1 yard wide. Two plats of each variety were planted side by side. (See fig. 39.) Plate X sliows a part of the experimental plats used tliis season. The moths were not quite so destructive this season as last, per cent being the greatest damage done to any variety tliis year, while in 1910 as high as pe


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 100 PAPERS OX CEREAL AND FORAGE INSECTS. tlie fourth side by a clean cultivated orchard. The plats were 1 square rod in area, as tliey were tlie year before, and separated from each otlier by strips of oats 1 yard wide. Two plats of each variety were planted side by side. (See fig. 39.) Plate X sliows a part of the experimental plats used tliis season. The moths were not quite so destructive this season as last, per cent being the greatest damage done to any variety tliis year, while in 1910 as high as per cent. ^ Fig. 37.—Diagram showing maxiiniiin and minimiun damage done by the legume pod moth to varieties of which ceased to bloom on a given date in 1910. (Original.) of one varietj" was destroyed. However, the results obtained are as conclusive as those recorded last year. Table III gives the data of this season's work and is self-explan- atory. Table IV is arranged to show the mean percentage of damage done to all ])lats which came into full bloom on any one date. Figure 40 graphically illustrates these results and very clearly shows that varieties which were in full bloom prior to June 28 were practically 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 United States. Bureau of Entomology. Washington : G. P. O.


Size: 1685px × 1482px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology