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multilingual compendium of plant diseases

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64<br />

Corchorus spp. + Microsphaera polygoni (de Cauidolle) Sawada (Sphaerotheca fuligena (Sch.)<br />

Sawada) =<br />

ENGLISH<br />

FRENCH<br />

Powdery Mildew<br />

SPANISH Mildi6 polvoriento<br />

PORTUGUESE<br />

ITALIAN<br />

RUSSIAN<br />

SCANDINAVIAN<br />

GERMAN<br />

DUTCH<br />

HUNGARIAN<br />

BULGARIAN<br />

TURKISH<br />

ARABIC<br />

PERSIAN<br />

BURMESE<br />

THAI<br />

NEPALI<br />

HINDI<br />

VIETNAMESE<br />

K(lleme hastaligh<br />

CHINESE Hudng mi b6r f~n blng<br />

JAPANESE udonko-byO _j A1 k1IC.<br />

In the early stages the disease may be recognized by the presence <strong>of</strong> small groups <strong>of</strong> thin,<br />

light gray or white fungus growths spreading rapidly over the surface <strong>of</strong> the leaves. Reddening<br />

<strong>of</strong> the underlying leaf tissue is sometimes evident. Later the infected areas take on a white<br />

powdery appearance, as though coated with flour. Heavily coated leaves _,rn brown and drop<br />

<strong>of</strong>f.<br />

In le stadios initial le morbo se characterisa per le apparition de gruppamentos del tenue fungo<br />

gris o blanc, le quales se extende rapidemente al superfacie del folios. ,ubification del texito<br />

infra es a vices evidente in le folios. Plus tarde, le areas afflicte es pulverose, quasi coperte<br />

de farina. Folios con un dense coperatura deveni brun, se separa, e cade.<br />

A ses premieres phases, la maladie peut se reconnattrE h la pr~sence de petites colonies minces<br />

gris pAle ou blanches du champignon, qui ne tarde pas h recouvrir les feuilles. On peut quelquefois<br />

observer le rougissement des tissus sous-jacents. Puis, les plages infectdes semblent<br />

recouvertes d'une poudre blanche ou de farine. Les feuilles trbs infect4es brunissent et tombent.<br />

Al comienzo la enfermedad puede reconocerse por la presencia de pequefios grupos de crecimiento<br />

fungcsos delgados, de color gris claro o blanco, que se diseminan rApidamente sobre<br />

la superficie de las hojas. A veces es evidente el enrojecimiento del tejido interno de la hoja.<br />

Mis tarde las ireas infectadas adquieren una apariencia de polvo blanquecino, como si estuvieran<br />

cubiertas de harina. Las hojas muy atacadas se vuelven de color caf4 y se caen.<br />

DISTRIBUTION: A.

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