. La protezione delle piante [microformati]. Plantes; malattie delle piante; insetticidi; parassiti agricoli; Ennemis des Cultures, Lutte contre les; insetticidi. - 14 - Seconda spray: quando le prugne sono impostati con avvelenato miscela bordolese (pagina 25). Terzo spray: 3 settimane dopo il secondo, con avvelenato miscela bordolese. Per prugna aphis, aggiungere solfato di nicotina a miscela. Da novembcr ad aprile, tagliata e masterizzare tutti i nodi nero. Cilie-. Insetti.-Cherry fly scavo frutti e altri prugna pesti di insetto. Malattie.-vedere susino. Controllo mediante spruzzatura.-lo stesso come per il susino. IV.-insetti e malattie INJU

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. The protection of plants [microform]. Plantes; Plant diseases; Insecticides; Agricultural pests; Ennemis des cultures, Lutte contre les; Insecticides. — 14 — Second spray: when plums are set, with poisoned Bordeaux mixture (page 25). Third spray: 3 weeks after the second, with poisoned Bordeaux mixture. For plum aphis, add nicotine sulphate to mixture. From novembcr to April, cut away and burn all black knots. Cherry Tr—. Insects.—Cherry fly hollowing fruits and other plum insect pests. Diseases.—See plum tree. Control by spraying.—The same as for the plum tree. IV.-INSECTS AND DISEASES INJURIOUS TO FRUIT BUSHES. Goo»eberry-Currant. INSECTS-The most widely spread and equally the most dangerous arc: the imported currant worm, a green caterpillar, dark spotted, eating up leaves- plant lice are also found by thousand lots under the leaves which they curl up' The saw-fly, striped bug and cane-borer are also to be reckoned with. • Diseases.—Mildew does much damage to leaves; blister rust covers the reverse side of leaves with a smooth orange-colored dust; white pine is destroved in a few years when this disease is communicated to it. C0NTROL.-I. Only stout, hardy stalks, and free from rust should be planted as this terrible disease is presently causing damage in tliis Province it would be advisable not to multiply gooseberry and currant plantations. 2. Pull out and burn all plants infested by rust and notify the Honorable Minister of Agriculture of the presence of this pest. 3. Spray as hereafter recommended: First spray: with Bordeaux mixture (page 23) when buds are growing green; sulphur may also be sprinkled before leaves open to prevent mildow. Second spray: with poisoned Bordeaux mixture, immedia- tely after the blossoms appear (page 25). Third spray; with poisoned Bordeaux mixture as soon as fruits have formed. For plant lice, add nicotine sulphate to previous spravs, if necessary (page 20). As these sucking insects infest bushes practically duri

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• bookcentury1900
• bookdecade1910
• booksubjectinsecticides
• bookyea