Resistance or tolerance, either way the most resistant or tolerant gives the home gardener an extra week or so of healthy plant. I find cultural practices do more than worrying about varieties with tolerance or resistance; soil health, mulching program, proper watering, staking or caging being disinfected yearly...just plain sensible gardening practices.
If I were a market tomato farmer the extra week may mean making a profit or losing the farm. As for me, a few extra tomatoes or cleaning out the garden early by a week is mostly inconsequential. Here we have less problematic disease than many other areas of the country so I worry less than other growers. Still all reasonable precautions are taken other than base my varieties grown on tolerance or resistance.
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there's two things money can't buy; true love and home grown tomatoes.
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