Article: Does vitamin B1 help transplants take root?

Not really. But the right fertilizer can make a big difference

FOR MORE THAN 50 years, vitamin B1 (thiamine hydrochloride) has been touted as a cure-all for transplant shock. Labels typically claim that B1 aids rooting and growth of a wide range of plants.

But University of California research on vegetables failed to prove that B1 reduces transplant shock or stimulates root development. Researchers found "no discernible differences in color or vigor among treatments" when B1 and B1 plus iron, manganese, and zinc were used on peppers, pole beans, squash, sweet corn, tomatoes, and watermelons. Elsewhere, studies on chrysanthemums, citrus, and

roses have reached ...

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