Tomatoes grow best between 70☏/21C° (nighttime) and 85F°/29C° (daytime), with humidity levels between 40-70%. When either case happens, the flowers remain unfertilized, and die as a result. In low temperatures, the female part of the flower (pistil) can become inert, unable to be fertilized. If temperatures are too high, the flower pollen becomes tacky and non-viable for pollination. Symptom: The yellow flower dies and falls off the plant, producing no fruit.Įxtremely high or low temperatures interfere with a tomato plant’s ability to self-pollinate. Whether your tomato plants are thriving or need mega life-support, below are a few of the common diseases that can affect tomatoes, how to diagnose your plants, and tips for prevention and remedies. However, there are still numerous obstacles one can encounter when growing tomatoes. They yield a tremendous amount of fruit, grow big, and are generally easy to grow! Tomatoes are now considered the pride and joy of many gardeners’ summer harvests. Stories like these are likely myth, and luckily, our views of tomatoes have changed. The rumor is that European nobles ate the fruit on lead plates, and given that tomatoes are highly acidic, the chemical reaction between tomato and lead contaminated the food and poisoned nobles. Introduced to Europe after the discovery of the New World, tomatoes were once thought by Europeans to be poisonous.
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