treacherously Any ideas about whats causing these spots? I’m thinking it doesn’t look like insects. Maybe sunburn, because we’ve gone so fast from cool and cloudy weather to hot sunny weather? Comments appreciated.
cabbage spots
Pests & Pathogens
treacherously Any ideas about whats causing these spots? I’m thinking it doesn’t look like insects. Maybe sunburn, because we’ve gone so fast from cool and cloudy weather to hot sunny weather? Comments appreciated.
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This is not a professional opinion, but my mustard and arugula also has spots similar to yours and they only showed up after a week of extremely hot weather and lots of sun. It could be sunburns, some small parts of theplants even look dry and crispy.
Could it be the White rust?
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7733