Diseases & insects of the home garden . Treatment.—Fumigate with carbon disulphid (see page 30), or if the /~^ARBON disulphid is explosive, and club members should^^ use it only under the direction of the club leader or parents. DISEASES AND INSECTS OF THE HOME GARDEN 21 seed are not to be used forplanting, place in a shallow panand bake in an oven for 5 to10 minutes. PEA APHIS.—The pea aphisis one of the largest of thej)lant-lice, being about one-eighth of an inch long. It ispea green, the same as its foodplant. Attack begins uponthe young vine, the lice gath-ering in clusters about thetips.
Diseases & insects of the home garden . Treatment.—Fumigate with carbon disulphid (see page 30), or if the /~^ARBON disulphid is explosive, and club members should^^ use it only under the direction of the club leader or parents. DISEASES AND INSECTS OF THE HOME GARDEN 21 seed are not to be used forplanting, place in a shallow panand bake in an oven for 5 to10 minutes. PEA APHIS.—The pea aphisis one of the largest of thej)lant-lice, being about one-eighth of an inch long. It ispea green, the same as its foodplant. Attack begins uponthe young vine, the lice gath-ering in clusters about thetips. Later they attack thestem and suck out the life ofthe plant. Treatment. — Nicotine sul-phate (see page 29) and kero-sene soap emulsion (see page29) are good remedies if usedwhen the insects first beginto attack the plants in earlyspring. The plant-lice can also bebeaten off the vines on to theground. This can best bedone with a brush of smalltwigs or a pine bough withthe leaves left on. On a warm,sunny day the lice are killed by. >et b the hot ground on which they fall and few, if any, everthe plants. This aphis also feeds on clover, alfalfa, field peas, and several Fig. 31.—Potato leaves with dead spots due to late-blight. >ack toweeds.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
