Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889. Excerpt: ... backwards-The genera! or of the body from being of a darker green, now become of a Hirhter hue. but afterward regains much of its intensity of it/ir. HahiU.--The e-"-.. are laid en the under surfaces of the leaver. There are numerous hrxds throughout the summer, and the in.ects isr fce found on the riant in a!: stages of growth at the same time, and frequently several or. the .,:ne laf. Tr.ey feei by inserting t:.:r ro-tra or pr i.,=:e int.. tht. ti-sne cf the leaf, and thereupon imbibing it. j liet. Saturt of I,.ju.y.--The effect of t! eir punoru'e is often that of kilIir.'-r the ri-ue of the pi,rrl n of the leaf operated upon, bat this is not invsriahly the case. AVLen iii grvAt numbers they may do considerable damage, especially when they attack early potatoes. Occurrence.--Tte first notice of their habit of injuring, or even feedir.2 on the potato, was received from Mr. Searie. of Kosehill Gardens. T,,owotn.ba. This Cuspicona is, however, a native insect, and we have iuhii teen fanvhiar with it, as a common pest of another solanaceo's plan:--the ordinary 'blackberry" of school children, the nightshade (Sol mum nijrun). So that on having discovered the natural affinity between the two i/.ants, it has migrated from this weed on to the potato, thus repeating the action taken by both the preceding beetle pests. Bcmelie«.--At present the extent of its ravages is not such as to call for the use of special means for preventing its attacks. FUXGCS DISEASES. Faxse Potato Disease (Epicoceum scabrum).. Our object in the following remarks is to correct an impression that has gained ground concerning the appearance in the colony of the well-known fatal potato disease (Peronospyra infestani). This has emanated from one whose statements concerning the potato ar...
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