Summary
The measurement of optical density of acid hydrolysed oil palm leaves provides the basis for a quantitative determination of the cyanidin liberated. This in turn was shown to be highly related to the boron status of the palm and provides a means of assessing its requirements. re]19730715
References
Chapman, G. W., and Gray, H. M., Ann. Botany 13, 414 (1945).
Coulter, J. K., Malayan Agr. J. 41, 131 (1958).
Rajaratnam, J. A., Ann. Botany 36, 289 (1972).
Rajaratnam, J. A., Ann. Botany 36, 299 (1972).
Rajaratnam, J. A., Expl. Agr. 9, 257 (1973).
Rajaratnam, J. A. et al., Science 172, 1142 (1971).
Rajaratnam, J. A., Expl. Agr. 8, 339 (1972).
Rajaratnam, J. A., International Oil Palm Conference, Kuala Lumpur (1972).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Rajaratnam, J.A., Lowry, J.B. & Hock, L.I. New method for assessing boron status of the oil palm. Plant Soil 40, 417–420 (1974). https://doi.org/10.1007/BF00011526
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00011526