Substitution of Germanium for Boron in Plant Growth 1
AUTOR(ES)
McIlrath, Wayne J.
RESUMO
The observation was confirmed that the addition of germanium dioxide (soluble form) to the nutrient solution can delay for a short time the appearance of boron deficiency symptoms on the shoots of sunflower plants (Helianthus annuus L.). This appeared to be true, however, only under growing conditions in which the plants had a low boron requirement. The delay in the appearance of boron deficiency symptoms by administering germanium was demonstrated in sunflower plants ranging in age from 7 to 20 days. This effect was noted whether the germanium was administered prior to or at the time the plants were transferred to minus-boron nutrient solution.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=550499Documentos Relacionados
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