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The main symptoms of Ditylenchus destructor, common to potatoes and its other hosts, are the rotting and discoloration of subterranean plant tissue. In potatoes, early infection can be detected by small white spots underneath the potato's skin. As the disease progresses, these spots become larger and darker with a spongy or hollow appearance. [7]
Therefore, the most economical and effective alternatives to control potato degeneration are exactly the same as those necessary to control viruses in the crop: to obtain, on the one hand, seed tubers free of viruses and other pathogens through micropropagation or in vitro cultivation of potato varieties and, on the other hand, to develop new ...
Control of aphids with insecticide application is the only means of managing this problem in production years that are highly favorable for aphids. Seed borne infection generally results in small, stunted, badly impaired plants which have reduced yield both in tuber numbers and in tuber size.
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As S. subterranea infects the roots of potatoes, the virus is given access to the root cells and starts its habitation of the plant. By taking control of the cell's cellular machinery, the virus can replicate. The virus then moves onto more potato cells and spreads systemically through the plant.
According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.
Place the small potatoes in the water, and let them soak for 5 minutes. Using a vegetable brush, thoroughly scrub the potatoes to remove dirt from the skins.
Click beetle larvae, called wireworms, are usually saprophagous, living on dead organisms, but some species are serious agricultural pests, and others are active predators of other insect larvae. Some elaterid species are bioluminescent in both larval and adult form, such as those of the genus Pyrophorus .