. Un manuale di pratiche pregiudizievoli di insetti [microformati] : con metodi di prevenzione e rimedio per i loro attacchi alle colture alimentari, alberi da bosco e frutta : a cui è allegata una breve introduzione di entomologia. Pesti di insetto; parassiti agricoli; entomologica; Insectes nuisibles, Lutte contre les; Ennemis des Cultures, Lutte contre les; Entomologie. Il MAIS THKIPS; TULIP-root. 99 Era Zt!ho27t rr*'-^"" !?^? " ^^^^^^^ °F Attenzione è stata attratta da una malattia o un attacco di frumento che grotta se egli ha l'aspetto di essere prematuramente ripeneTl e presto divenne noto come "White-eared siamo/t." I capi

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. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. CORN THKIPS; TULIP-ROOT. 99 was Zt!i27t rr*'-^"" !?^? " ^^^^ ^'^^ °f attention was attracted by a disease or attack to Wheat which cave if he appearance of being prematurely ripeneTl and soon became known as "White-eared Whe/t." The heads were barren, and the top of the stalk within the sheath Tin the advanced stage m which specimens were sent for examination^ was usually severed across about three or Cr Ss above the uppermost knot; so that though the injury d?d not show externally yei by holding the lower part^of^the s?em and gently pulling at the ear. the stem came out of the sheath hiS knot"%h?s' ?' '' f 'r;".°^^^ ''^^ atUedtte mgnestknot. This stump looked flaccid and shrunken and The injury extremely resembled that caused by the maa«nf vation 01 a very similar attack known as " Silvertop^ in Hav points to Thrips-attack being very likely the ca^is^nffif' ;rin fr f^r^* s^ ^^' EiomS^^isru^BotlL'' pp. 59-62 of Appendix to ' Report of the Experimenta Farms, Canada, to the Minister of Agriculture, 1889.') Tulip-root, or Segging, caused by « Stem Eelworm " lijlenchm devastatnx, Kuhn.. ' Tulip-rooted " Oat-plant. from fb« r.ii "^'''' ^' Tulip-root " in Oats takes its name from the swollen appearance of the base of the stem wh cli bears some resemblance to a Tulip-bulb, though still iore to H 2. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Ormerod, Eleanor A. (Eleanor Anne), 1828-1901. London : Simpkin,

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1890
• booksubjectentomology
• bookyear1