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Citation:

A PRELIMINARY STUDY ON THE PATHOGENICITY OF PICEA KORAIENSIS L. LEAF RUST

  • Received Date: 1989-03-10
  • Leaf rust of Picea koraiensis L. is caused by Chrysomyxa rhodod-endri de Bary. Its pycnia, aecia occur on the first-year new leaves. They reduce forest increment by causing premature defoliation. Its uredinia occur on the leaves of Rhododendron dahuricum. They are orange-coloured and exc-urrent. But a few uredinia occur on the shoots. Telia are brownish-red colour and oval in shape. It will produce basidiospores in the following summer and reinfect the shoots of Picea koraiensis.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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A PRELIMINARY STUDY ON THE PATHOGENICITY OF PICEA KORAIENSIS L. LEAF RUST

  • 1. The Yichun Academy of Forestry, Heilongjiang Province
  • 2. The Forest Management Bureau of Yichun City, Heilongjiang Province

Abstract: Leaf rust of Picea koraiensis L. is caused by Chrysomyxa rhodod-endri de Bary. Its pycnia, aecia occur on the first-year new leaves. They reduce forest increment by causing premature defoliation. Its uredinia occur on the leaves of Rhododendron dahuricum. They are orange-coloured and exc-urrent. But a few uredinia occur on the shoots. Telia are brownish-red colour and oval in shape. It will produce basidiospores in the following summer and reinfect the shoots of Picea koraiensis.

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