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Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight , caused by Alternaria solani , is also often called "potato blight".
Sporangia release zoospores which require water for transport. Zoospores swim in water droplets until they encyst and infect the fruit. [6] Symptoms, beginning with fruit rot, may form within 24 hours. Chlamydospores are the pathogen's resting structure, which allows the disease to survive and overwinter in the soil.
Here’s how to tell if a potato is bad. Related: 30 Tasty Potato Recipes. How Long Do Potatoes Last, Really? First things first, let’s break down the shelf life of these yummy tubers. In ...
Few varieties are resistant to the disease and none are immune, so rotating susceptible plants with non-susceptible ones like cereals is a practice positive to limiting soft rot infection. The control of specific insect vectors is also a good way of controlling disease spread in the field and in storage.
Whoever dubbed it the “humble” potato forgot how versatile—not to mention delicious—the spud can be. And when you consider that potatoes can last in...
There are several examples of relative resistance mechanisms in potato. Thus, the wild potato species Solanum polyadenium, Solanum tarijense and Solanum berthaultii present "trichomes" or glandular hairs on leaves and stems, which discharge an exudate when mechanically damaged by aphids. In contact with atmospheric oxygen, the light-colored ...
Greenhouse tomatoes are a crime against humanity.Ask any foodie — the ideal tomato is grown outdoors in the finest soil; it matures throughout the early and midsummer, just in time for harvest ...
Fusarium dry rot of potato is a devastating post-harvest losses (vegetables) disease affecting both seed potatoes and potatoes for human consumption. [3] Dry rot causes the skin of the tuber to wrinkle. The rotted areas of the potato may be brown, grey, or black and the rot creates depressions in the surface of the tuber.