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MLN Workshop: Maize lethal necrosis symptoms scoring -- B Das

Date post: 16-Jul-2015
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Symptoms of MLN develop distinctly from existing foliar diseases Mottling and dead heart symptoms (top down) are distinct from most foliar, fungal diseases
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Page 1: MLN Workshop:  Maize lethal necrosis symptoms scoring -- B Das

Symptoms of MLN develop distinctly from existing foliar diseases

Mottling and dead heart symptoms (top down) are distinct from most foliar, fungal diseases

Page 2: MLN Workshop:  Maize lethal necrosis symptoms scoring -- B Das

Plot level whole plant scoring scale

1 3 5

Page 3: MLN Workshop:  Maize lethal necrosis symptoms scoring -- B Das

1 2 3

4 51 = no MLN symptoms 2 = fine chlorotic streaks

on lower leaves3 = chlorotic mottling

throughout plant4 = excessive chlorotic

mottling and dead heart

5 = complete plant necrosis


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