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tomato blight


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Maintainance around the garden is getting increasingly important.  Late Blight can even be carried over in some weeds and it affects more than tomatoes and potatoes.  It also infects tomatillos and peppers.

 

Keep a wide swath mowed around the garden, don't plants any of the plants that can carry Late Blight in the same spot two years in a row.  Get your tomatoes up off of the ground and mulch.  Keep them healthy and well fed to give them a better immune system and keep some fungicide such as Chlorothalonil on hand for actual disease breakouts, prune out every leaf that looks funny and you can also spray with Tea Tree Oil early in the season.

 

Here's a great website to check:  http://www.longislandhort.cornell.edu/vegpath/photos/lateblight_tomato.htm

 

Next year may show the outbreak of yet another blight but hopefully the same precautions will keep most gardens clean.

 

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Can garlic carry the blight?

Only plants of the Solanaceae family are associated with the blight. These include tomatoes, potatoes, peppers, eggplants, petunias, nightshades, tobacco and a few other odds and ends. Only tomatoes and potatoes are significantly affected by this blight. I have never seen any conclusive proof from a reputable source that anything else is susceptible to it. There is a lot of speculation and talk but that is probably all it is. At the moment anyway. Mutations do occur.

Don't worry about your garlic or your ground. It is not going to come from any of those. Cold kills it and it needs living tissue that doesn't freeze to overwinter to survive in the ground. That is why potatoes are such a problem.  We were destroying the tomato plants to keep it from spreading to our neighbors not to keep it from overwintering. The spores go airborne and can travel great distances.

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