Hormone végétale. Substance biologique hautement active qui régule la croissance et le développement des plantes. Certaines agissent en tant que vecteur d'information pour réagir aux stress ...
THE formaldehyde method of disinfecting cereal seeds for smuts often results in substantial reduction in germination and in retarded growth. It has been found that the addition of 1/100–10 ppm. of ...
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