This is a preview. Log in through your library . Abstract Chromatography of extracts of agar blocks on which shoot tips of tomato had stood for 24 h revealed the presence of at least two ...

So far, all published results relating to the gibberellin content of plants, or plant organs, have been obtained by various gibberellin-extraction techniques. This procedure is useful in the ...

A WEDGE-SHAPED agar gel is formed by pouring out 10 ml. of a hot 2 per cent agar solution (‘Bacto-Agar’, Difco Laboratories) on a pre-warmed glass plate (16 cm. × 4 cm.), which is slightly inclined.

Well cutters used in the agar-gel diffusion technique were made by gluing expended 22-caliber long rifle cartridges to metal surfaces. Journal Information Avian Diseases is an international, ...