Plant and Cell Physiology, 1965, Vol. 6, No. 4 609-614
© 1965
Article |
CHOICE OF BIOASSAY IN ASSESSING ACTIVITY OF ENDOGENOUS GROWTH SUBSTANCES1
Department of Vegetable Crops, University of California Davis, California 95616, U.S.A.
A chloroform extract of peelings and buds of Red Pontiac potato tubers yielded chromatographic eluates that exhibited qualitatively and quantitatively different stimulating and inhibiting responses on four bioassays. The essentiality of selecting a satisfactory array of bioassays, coupled with a thorough extraction procedure, is emphasized.
1This research was supported by United States Public Health Service Grant EF-61
2Present address: Department of Botany, Hebrew University, Jerusalem, Israel
3Present address: Department of Agronomy, University of Tokyo, Bunkyo-ku, Tokyo
(Received April 26, 1965; )
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