. The principles of fruit-growing, with applications to practice. Fruit-culture. Fig. 131. Apple-scab. TTie young nymphs may be killed by spraying with "black leaf 40" tobacco extract, three-fourths of a pint in one hundred gallons of water, adding three to four pounds of soap. Nurserymen often catch the adults by the use of sticky shields. .4ppr,B Leap-Rollek [Archips argyrospila).— A green caterpillar with a black head, 1 inch or less in length when mature, attacks the opening buds, rolling and webbing together the leaves, flowers and young fruit into a nest. Holes are eaten ia the
. The principles of fruit-growing, with applications to practice. Fruit-culture. Fig. 131. Apple-scab. TTie young nymphs may be killed by spraying with "black leaf 40" tobacco extract, three-fourths of a pint in one hundred gallons of water, adding three to four pounds of soap. Nurserymen often catch the adults by the use of sticky shields. .4ppr,B Leap-Rollek [Archips argyrospila).— A green caterpillar with a black head, 1 inch or less in length when mature, attacks the opening buds, rolling and webbing together the leaves, flowers and young fruit into a nest. Holes are eaten ia the young apples, deforming them. Eggs are laid in June in small, flat masses on the bark, and are covered with a smooth, vamish-Uke coating. They do not hatch till the follow- ing spring. To kill eggs, spray with miscible oil, one gallon in fifteen gal- lons of water, making the apphcation as late as possible before the buds open. If the eggs have been neg- lected, recourse must be had to arsenate of lead, six pounds . in one hun- dred gallons water. Apply before the blos- soms open. Apple-Maggot (Rhagoletis pomonella).—A white maggot that tunnels apples through and through, causing decay and falling of the fruit. The parent flies appear. FiQ. 132, Bordeaux 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 Bailey, L. H. (Liberty Hyde), 1858-1954. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfruitculture, bookyea
