Heterosis occurs when cross-breeding two types of plants to produce more vigorous offspring that have higher yields than the parent plants. They call these “aroma volatiles” and have mapped out more than 3,000 of them amongst over 152 varieties of heirloom tomatoes.Īnother group of scientists has been searching for the genes responsible for heterosis. According to them, good tomato flavor is a blend of sugars, acids and rather baffling chemicals that we smell and equate with a prime tomato. Scientists have actually been doing research to unlock the secret to sweet tomatoes. A balance of acidity and sugar are what make a tomato a tomato, and for some, those with a lower level of acidity and a higher level of sugar make for the best fruit. The sweetness of a tomato is comprised of plant chemistry and other variables such as temperature, soil type and the amount of rain and sun given to the plant while growing. It turns out there are a number of factors in play with relation to tomato sweetening. Homegrown doesn’t necessarily equal sweeter tasting. About Tomato SweeteningĪll tomato varieties are not equal in the level of fruit sweetness.
Sweet tomatoes how to#
Read on to find out how to grow sweeter tomatoes. Is there a secret to sweet tomatoes? It turns out that there is a secret component to tomato sweetening. In any case, growing sweet tomatoes can be quite an obsession with some, each year trying to figure out how to make tomatoes sweeter than the year before. Maybe it’s because of the sheer variety available or maybe it’s because of the myriad of uses to which tomatoes can be consumed. Tomatoes are likely the most commonly grown home garden crop.
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