1) A chemical substance found in an organism, but is not naturally produced or expected to be present in that organism. 2) An artificial substance not present in nature before it was synthesised by humans.
1) A chemical substance found in an organism, but is not naturally produced or expected to be present in that organism. 2) An artificial substance not present in nature before it was synthesised by humans.
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Many of the Glossary terms have been adapted from: Tronsmo, A.M., Collinge, D.B., Djurle, A., Munk, L., Yuen, J. and. Tronsmo, A. 2020 Plant pathology and plant diseases. CABI, Wallingford. ISBN 9781789243185.
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