Seed Testing of Maize and Wheat A Laboratory Guide - Search ...
Seed Testing of Maize and Wheat A Laboratory Guide - Search ...
Seed Testing of Maize and Wheat A Laboratory Guide - Search ...
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Bipola1'is zeicola (Stout) Shoem.<br />
Helminthosporium carbonum Ullstrup<br />
Drechslera zeicola (Stout) Subram. & Jain<br />
Teleomorph: Cochliobolus carbonum Nelson<br />
Disease I Identification 61 63 I Quick clue<br />
Black ear rot; carbonum leaf spot;<br />
northern leaf spot; <strong>and</strong><br />
Helminthosporium leaf spot <strong>of</strong><br />
maize.<br />
Distribution<br />
~ ~.<br />
World-wide.<br />
Significance<br />
Crop production: Minor disease<br />
although commonly found on<br />
stalks <strong>and</strong> leaves. Ear rots are only<br />
found occasionally. Moderate<br />
temperatures <strong>and</strong> high relative<br />
humidity favour the disease.<br />
fli<br />
Quarantine: Restrictions for<br />
Indonesia. Egypt. Chile. <strong>and</strong> by<br />
NEPPO (Near East) on list A 1 (not<br />
present in region); <strong>and</strong> by EPPO<br />
(Europe) <strong>and</strong> IAPSC (Africa) on list I Colony on maize (x64) <br />
A2 (present in part <strong>of</strong> the region, <strong>of</strong> <br />
quarantine importance elsewhere). <br />
Conidia (x400)
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