›› 1986, Vol. 22 ›› Issue (3): 311-316.
• 研究简报 • Previous Articles Next Articles
Qiu Dexun,Li Mingchang,Tan Songbo,Duan Guanan
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Abstract: Root rots of China fir, Cunninghamia lanceolata, are caused by Pythium ultimum in pure stands of suitable sites in Sichuan province. The disease starts from the root-tip and extends to the fine roots, then the needles of infected tree turn yellow. After three to four years, the affected trees may be killed. Symptoms are particularly prominent in autumn.
Qiu Dexun;Li Mingchang;Tan Songbo;Duan Guanan. A PRELIMINARY STUDY OF THE OCCURRENCE OF CHINA FIR ROOT ROT[J]. , 1986, 22(3): 311-316.
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