By Chelston W. D Brathwaite
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Additional info for An Introduction to the Diagnosis of Plant Disease
With increased sophistication in analytical methods, it is possible to establish plant species and their products with a precision previously unimaginable. A good example is the work by Delwin Samuel on beer making in Egypt. She used scanning electron microscopy to find that barley had been fermented. Likewise, workers can now use nuclear magnetic resonance and chromatography to make accurate analyses of ancient deposits like embalming compounds used in Egypt. The magisterial volume edited by P.
In fact, the tree is in such demand that programs for planting trees to avoid cutting older trees in the forest are being developed in several South Asian countries. The oil is distilled from the heartwood of the tree. Unlike many other woody plants with aromatic compounds, agarwood cannot be tapped or the material collected by incisions in the bark; the tree trunk must be destroyed to prepare the incense (Langenheim 2003). The wood is sold either as chips or splinters or as the derived oil. How did agarwood become “aloe”?
In both of these places I received innumerable kindnesses and help. Worthy of special note are Professors Majd Jamal, Fawaz Azmeh, and Ibtasam Hamad of Damascus University, who arranged for visits to so many natural areas to study plants and expended so much time and hospitality in assisting me. Professor Jamal, now Director General of the General Direction of Scientific Research, Ministry of Agriculture for Syria, continues to build relationships between plant scientists in our two countries. In addition, I would have learned little that is new about plants of the two holy books without firsthand interaction with the farmers and shepherds who continue the ancient uses of many of the plants.