17 Aug 22 Irene Bollerman (Australia - sub-tropical climate)
I am noticing coppery (pearlescent brownish) marking on the leaves of otherwise healthy looking potato plants, planted in potato grow bags. I've been monitoring the soil temperature and it had reached 30C until I placed cardboard and bubblewrap insulation over the black fabric bags. It is currently mid-August. I'm in Brisbane. The coppery leaf markings surround the veins rather than being on the fringes of the leaves. The markings do not look like the brown/black spots of wilt. Any thoughts from you potato growers out there??
31 Aug 16 Norman (Australia - sub-tropical climate)
The main article states:"Potatoes exposed to light will go green, so keep them covered up with straw and soil as they grow."
Does this mean I need to cover the complete foliage or just hill up the plant? Thanks.
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