The occurrence of orange-coloured leaf disease of rice, a phytoplasma disease, was investigated widely during 1992 - 1996.

1996年对水稻橙叶病的发生流行条件进行广泛深入调查研究。

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For her experiment she studied the inheritance of three traits: a maroon coloured leaf marking, a white V-shaped leaf mark pattern, and the production of hydrogen cyanide in damaged leaves, which is thought to be a defence against predators.

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