Question

Under which environmental conditions does bacterial blight spread?
Responses

Low humidity
Low humidity

High winds
High winds

High humidity
High humidity

High temperatures
High temperatures
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Answer 1

Bacterial blight spreads most under warm, wet conditions — i.e., high humidity and (often) relatively high temperatures. Wind and rain/splash can also aid dispersal (wind-driven rain or splashing water spreads the bacteria). Low humidity does not favor spread.