Show colored onions repel germs in the course of tin an investigation of some plant diseases discuses that attack tie common onion plant dr J C walker has bas discovered that the colored col oreil varieties of onions are highly resistant to the diseases whereas the pure white title onions succumb nt at once the secret Is that the skins of the colored onion contain a chemical which Is polso poisonous to the germs calking the disease dl sense it one of these gerim triet to penetrate nto the colored orion bulb the germ Is killed white onions lack tills ills gern germ poison and disease finds them therefore an easy prey |