The Botanical Garden of Peradeniya had considerable influence on the development of agriculture in Ceylon where the Para rubber tree ( ) was introduced from Kew, which had itself imported the plant from South America.
2.
A study of ribosomal DNA from 33 samples of oak powdery mildew from Europe showed that " E . alphitoides " contains identical sequences to " O�dium mangiferae ", a major disease of mango in several tropical regions and " O�dium heveae ", an economically important pathogen of the para rubber tree.
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