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And, whether pruning the tomatoes improved the fruit just depended on luck as to whether or not the tomato plant developed disease because of the pruning. So, scientifically speaking, who is right? A study at Iowa State University (PDF) published in 2000 showed that pruning tomato suckers sometimes made a difference and sometimes did not in terms of the size the fruit.
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Others claim that pruning tomato suckers damages the plant unnecessarily, opening it up to disease and doing nothing to actually help. Some people assert firmly that pruning tomato suckers improves the production and health of a plant. The answer to this question is actually a personal one. Sometimes the tomato plants in our gardens get so large and so unwieldy that you can’t help but wonder, “Should I prune my tomato plants?” This question is quickly followed by, “ Exactly how do I prune tomato plants?” Let’s look at these two questions.
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