. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. LEGUMINOUS CROPS. 21 Cure.—(1) As the beetles retire to the ground at night, treat the ground with lime, gas-lime, soot, or a mixture of lime and soot. These substances destroy the beetles. (2) Paraffin oil mixed with soil has also proved an effective remedy against the ravages of these beetles. The Silver Y Moth {Plusia gamma). The cater- pillars of this moth, which are of a green colour, feed upon. Fig. 8.—SiEiPED Pea Weetil {Sitona lineata). A. Pea Weevil (natural size) deTo
. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. LEGUMINOUS CROPS. 21 Cure.—(1) As the beetles retire to the ground at night, treat the ground with lime, gas-lime, soot, or a mixture of lime and soot. These substances destroy the beetles. (2) Paraffin oil mixed with soil has also proved an effective remedy against the ravages of these beetles. The Silver Y Moth {Plusia gamma). The cater- pillars of this moth, which are of a green colour, feed upon. Fig. 8.—SiEiPED Pea Weetil {Sitona lineata). A. Pea Weevil (natural size) deTonring leaves of pea-plant. B. Pea Weevil (enlarged). the leaves of peas, beans, sugar-beets, linseed, and hemp. Towards the end of the caterpillar stage, each caterpillar spins a cocoon on a leaf of the infested plant, and in it changes into a chrysalis. Plusia gamma, in any one of the three stage of its life, rarely does much damage to crops in Great Britain, although, according to Dr. Lindeman,. 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 Griffiths, A. B. (Arthur Bower), 1859-. London : G. Bell
Size: 1188px × 2103px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorgriffith, bookcentury1800, bookdecade1890, bookyear1890
