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Tropigal
04-16-2012, 12:30 PM
My banana plant has dark spots and streaks on the leaves and white powder on the trunk.
http://www.bananas.org/gallery/watermark.php?file=48479 (http://www.bananas.org/gallery/showphoto.php?photo=48479&ppuser=12899)

Any ideas?

sunfish
04-16-2012, 01:14 PM
No big deal

alias
04-16-2012, 01:53 PM
Mine also has that white powder- just like Musa Cavendish. Just don't touch it too much, she is fine.

Olafhenny
04-16-2012, 05:26 PM
Hi Tropigal,

that must be, because you have a red thumb? - Aaww, really!
(blush)

It may well be some kind of (powdery?) mildew - or not.

Be that as it may, there is a new supposedly bio-friendly fungicide on the market:
Serenade Biofungicide - Growing Supplies - Compare Prices, Reviews and Buy at Nextag - Price - Review (http://www.nextag.com/serenade-biofungicide/shop-html)

I bought the 32oz bottle of concentrate. It will last for a decade to spray my three
Grapevines and the 4 clematis.

Good luck,
Olaf

Tropigal
04-16-2012, 06:13 PM
So I guess the powder may not be a big deal.. What about the spots? Some big scary looking ones and a cluster of little black ones along the middle of the leaf. The new leaf is coming in really small also with spots on it. They used to come in totally green and big. I'm really worried about it, and wondering if I should cut the spotted leaves off.

http://www.bananas.org/gallery/watermark.php?file=48481&size=1 (http://www.bananas.org/gallery/showphoto.php?photo=48481&ppuser=12899)

Thanks everyone!

Richard
04-16-2012, 06:53 PM
Don't cut the leaf off until it is no longer functioning as a solar panel. Follow the mantra of pitangadiego (Jon): green is good, brown is bad.

For fungicide, I recommend old-fashioned baking powder (potassium bicarbonate). You'll find it either in the no-sodium section of the supermarket or on the pesticide shelf at an independent nursery. Don't use modern baking powder -- that is sodium bicarbonate and will harm your plant.

Tropigal
04-16-2012, 10:25 PM
Thanks! Do I just sprinkle the powder all over the leaves and trunk? Work into the soil?