. The protection of plants [microform]. Plantes; Plant diseases; Insecticides; Agricultural pests; Ennemis des cultures, Lutte contre les; Insecticides. dmroyetl in this way. Some cabbage al«, en off the leaves âf parsnips and do great damage. Diseases.âBacterial wilt, rhizoctonia. CoN^ Damages by the fly will be prevented by delaying seeding. 2. Sow a few beds, one week apart; as a rule, only the first ...u will be injured. 3. To control the destructive work of the fly. sp-ay wish keroM n. emulsion (page 21). 4. For caterpillars: spray with arsenate of lead (page 18). as
. The protection of plants [microform]. Plantes; Plant diseases; Insecticides; Agricultural pests; Ennemis des cultures, Lutte contre les; Insecticides. dmroyetl in this way. Some cabbage al«, en off the leaves âf parsnips and do great damage. Diseases.âBacterial wilt, rhizoctonia. CoN^ Damages by the fly will be prevented by delaying seeding. 2. Sow a few beds, one week apart; as a rule, only the first ...u will be injured. 3. To control the destructive work of the fly. sp-ay wish keroM n. emulsion (page 21). 4. For caterpillars: spray with arsenate of lead (page 18). as olt.â ^ as considered necessary. Itutt-fly ⢠C«lTy. tide '';'';"*;-^'"y-^«*"Pi"«^ velvet like, green and black, with two retrac tide horns, feeding on cdery. carrots and parsnips. Carrot rust-fly. Diseases -Early and late leaf-blight. The rist damages twigs and makes tt^'h'ighU'Trir'""^'^' ^â "'"^' ^'^" ^"'"' ''-' ''^ '-' and'^commar,;;: To control leaf-blight, spray with Bordeaux mixture (page 2il ^^ every 10 days until fully ripe. 2. To prevent rust, fit a paper cone around the stalk. from root to leaves or fix plants between boards. 3. Caterpillars are big. very conspicuous and very lound in large numbers; they are hand picked and after- wards destroyed. For large crops, where this pest would be in large number, use arsenate of lead (page 18) or poisoned Bordeaux mixture (page 25). Celery Caterpillar Cabbage-Turnip-Cauliflowar. abbalr^'' ""'''^ "'"""^ **â¢'« P'«" immediately after p^antat ^^ts'lZi: %T:rlr'u ^^^^^ '^^^^ throughout'he summe" C ;: worms, plant lice flea-beetle, zebra caterpillar, cabbage looper. plusia. etc. U, root, swdling of the roots, black nervation, black leg., Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsecticides, bookyea
