Скачать или смотреть Canola School: Sweep net monitoring for aster leafhoppers

Aster yellows is a ‘phytoplasma’ disease carried by aster leafhoppers. It’s known for the odd-shaped canola pods it causes later in the growing season.

Problems with aster yellows are hit and miss, depending on your area and the year.

“We are kind of waiting for the next leafhopper infestation with aster yellows, the next big aster yellows outbreak. The last one was in 2012, and we had a lot of migrating leafhoppers and they came up infected. There was an infection rate of about 10 per cent,” notes Tyler Wist, field crops entomologist with Agriculture and Agri-Food Canada.

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