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#1
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Dry looking fungus on my cucumber leaves
Lots of dusty gray patches on many leaves. Did not notice this until today.
What is it and what can I do about it? Weather is warm and dry in SoCal, cool nights. |
#2
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Dry looking fungus on my cucumber leaves
Paul M. Cook wrote:
Lots of dusty gray patches on many leaves. Did not notice this until today. What is it and what can I do about it? Weather is warm and dry in SoCal, cool nights. Powdery mildew, fairly common on vine crops like cucumber, squash, and pumpkins. It usually occurs near the end of the growing season. The cure depends on how much you approve of chemicals on your garden. A garden center should have a mildewcide. gloria p |
#3
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Dry looking fungus on my cucumber leaves
"Gloria P" wrote in message ... Paul M. Cook wrote: Lots of dusty gray patches on many leaves. Did not notice this until today. What is it and what can I do about it? Weather is warm and dry in SoCal, cool nights. Powdery mildew, fairly common on vine crops like cucumber, squash, and pumpkins. It usually occurs near the end of the growing season. The cure depends on how much you approve of chemicals on your garden. A garden center should have a mildewcide. gloria p I've had luck with oil sprays. Neem or Canola/fish mixed oils seem to work fairly well. YMMV - the spray won't save the badly infected plants, nor will it stop infected leaves from dying. It's pushing the end of August and I haven't yet seen any mildew on my squash, but it's pretty much inevitable around here. Humidity and overhead watering make it worse. Crowded plants also make it worse. Dry windy conditions make it better. I can't water my squash overhead at all, it's practically a death sentence to do so this time of year, especially when the weather cools below 80. |
#4
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Dry looking fungus on my cucumber leaves
"Gloria P" wrote in message ... Paul M. Cook wrote: Lots of dusty gray patches on many leaves. Did not notice this until today. What is it and what can I do about it? Weather is warm and dry in SoCal, cool nights. Powdery mildew, fairly common on vine crops like cucumber, squash, and pumpkins. It usually occurs near the end of the growing season. The cure depends on how much you approve of chemicals on your garden. A garden center should have a mildewcide. gloria p I picked up an organic 3 in 1 solution. It said it was effective against powdery mildew. So I applied it. And I blasted my praying mantis square in the face. Damn. I really like that little guy. I hope he'll be OK. This stuff is supposed to work againsgt tiny larvae and small isects. Paul |
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