. An encyclopædia of agriculture : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and of the cultivation and economy of the animal and vegetable productions of agriculture. hneumon piercing the maggots with a sting ; and, from stinging the same maggotI dly, it i- probable the By delights to destroy the maggots, as well as to deposit eggs in their irwig, also, devours the maggots as food. [Brit. Farm. Mag. voL iii. p. 493.) Mr. Gorrie estimatessustained by the farming interest in the Carse of Gowrie district a
. An encyclopædia of agriculture : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and of the cultivation and economy of the animal and vegetable productions of agriculture. hneumon piercing the maggots with a sting ; and, from stinging the same maggotI dly, it i- probable the By delights to destroy the maggots, as well as to deposit eggs in their irwig, also, devours the maggots as food. [Brit. Farm. Mag. voL iii. p. 493.) Mr. Gorrie estimatessustained by the farming interest in the Carse of Gowrie district alone, by the wheat fly, at 20,1 00/.in 1828, and at 36,000V. in 1829. [Perth Miscellany, vol i. p. 42.). The same writer, in May1830, thus depicts the prospect of the wheat crop in the Carse of Cowrie : — The Cecidomyia are still alivein formidable legions. That the flies will this season lie in as great plenty as ever, is now (]U i te certain; thati] ej will lay their eggs on no other plant than those of the wheat genus, is also true; the only chance ofI time the pupa? appear the fly state. Should this sunny weather bring them forwardwithin a fortnight or three weeks from this date, the greater part will have perished before the wheat is. Book VI. RYE. 821 in the ear; or should the earing take place before the flies appear, then only the late or spring-sownwheats will suffer: but these appear slender chances. We know the history and habits of the insecttoo well to believe that either mist, or rain, or dew, or drought, will either forward or retard their opera,tions, if the main body appear about the time the wheat comes in the ear. In addition to that vile gnat,our neighbours in the Lothians are threatened with a no less formidable invader in the Ascius pumili-nus, which, as we are informed on respectable authority, have already commenced their depredations,and are thinning the wheat plants rather liberally in that quarter. It, like the Hessian tiv inAmerica, attacks th; un
Size: 1694px × 1476px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondo, bookyear1871
