So initially, I noticed a few haphazard leaves going paler, then dropping after that recent rainfall.. I thought those leaves were old , maybe first year growth.. I wasn't really concerned... and having such an enormous mass of vine and leaves entwined across the stair railings, I never even considered that perhaps one was outcompeting the other or that there was any real sign of emergency..
Yesterday I noticed all the fallen and dying leaves had a particular pattern on them, trailed them back to one plant of the 3. I soaked it in Seasol, put in some zinc coated nails.. and today there are more leaves. So sad. I want to hear that this is a nutritional deficiency and not some kind of disease or virus. Please does anyone have any suggestions on how I can save this vine? I will do whatever it takes! Any advice much appreciated!!
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There are 3 passionfruit in total. 2 are 2 + years old, including the sick one. Each in 60L plastic pots because we were planning to have built a deck by now.. but their roots extend through to the ground. I haven't have fruit yet, although the other, flourishing 2 year old is flowering currently.
If they were mine, they would be rooted out and composted. Passionfruit are quick-growing short-lived perennials. Two years in a small pot wouldn't be to their liking, they are such enthusiastic growers. Zinc-coated nail - ouch. How about just using Trace Elements? Much more readily available for the plant and a lot less painful; quicker too. Get some new plants when there is a permanent space ready for them.
I had a beauty that I got 4 years out of (planted in the ground). It died about a year ago. My Rozie replaced it with 3 more which are quickly taking over. I can't see my gooseberry or bell chili any more and I certainly can't get to the paw paw trees. Curse those triffids... although I do love Kumquat and Pasionfruit marmalade.
It does look like some sort of spider mite. A pic of the underside of the leaves would help with diagnosis.
But I agree with others, passionfruit is replaceable, and is guaranteed to do better in the ground. Especially if you haven't had fruit these past two seasons. That's in indication that plant nutrition isn't being met in the pots.
The yellowing definitely looks like some sort of mineral deficiency.
https://www.google.com.au/search?q=mineral+deficiency+leaf+pictures...
Look at the pic of 'passionfruit virus' and compare. I have noticed patchy fruit that shrivels on my own vine, so suspect this is a common problem.
Hail will usually shred the leaves altogether. and is unlikely to cause the blotchy colours.
First pic is what I first noticed on the leaves after the tiny chard hail damage.. this was taken just now, today. Next pics are all of bad leaves - the undersides. A total of 5 bad leaves today. Im worried this could spread to the healthy one.. Please excuse the dodgy photography, my iphone won't take pics unless its through Snapchat, odd. So... to kill or to save?
Save. Underside looks fungal to me. Solution could be as simple as a basic milk spray. or spray with worm tea. A few leaves here and there isn't going to mean disaster.
Always add photos using the "From my computer" option, even if you are on a mobile phone or other device.
Added by Doug Hanning
Added by Doug Hanning
Added by Doug Hanning
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