Asparagus Rust1 1 Asparagus Rust

Asparagus rust Puccinia asparagi is favoured by moist and warm climate. Small amounts of rain and wind will distribute the urediaspores whereas heavy rains can wash them down to soil. By this reason a leaf wetness period with more than 10 mm of rain is not taken for an infection periods. Leaf wetness periods coming from light rains and dews from 3 to 8 hours with temperatures from 25°C down to 10°C can be infection periods for urediaspores in summer and late summer.



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