%0 Journal Article
%T Studies on induced protective resistance in Geranium sylvaticum populations and interactions between pathogenic fungi<br>银叶老鹳草(Geranium sylvaticum)种群中诱导保护抗性和病原菌相互作用的研究（英）
%A Lars Ericson
%A <br>刘登义
%J 生物多样性
%D 2002
%I Science Press
%X We studied, through field survey, field inoculation experiments and hand inoculation experiments, whether Geranium sylvaticum plants differed in resistance against a macrocyclic pathogenic rust, Uromyces geranii, when they were healthy or diseased by one of two microcyclic pathogenic rusts, Puccinia leveillei and P. morthieri, and whether the macrocyclic rust interacted with the two microcyclic rusts when they infected the same host plants at the same season. The results indicated that P. morthieri-diseased plants were much more resistant to U. geranii than P. leveillei-diseased plants and healthy plants. Furthermore, P. leveillei-diseased plants were more resistant than healthy plants. The results suggest that P. leveillei induces a short-term resistance, while P. morthieri induces a long-term resistance. Induced protective resistance may be one important factor in explaining disease patterns in natural plant populations.
%K pathogenic fungi interaction
%K induced protective resistance
%K Geranium sylvaticum
%K Puccinia leveillei
%K Puccinia morthieri<br>病原菌相互作用
%K 诱导保护抗性
%K 银叶老鹳草
%K 柄锈菌
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=284A3BE2D09272C2DA95716775015427&aid=4E10CE5349E30AE4&yid=C3ACC247184A22C1&vid=F3090AE9B60B7ED1&iid=CA4FD0336C81A37A&sid=771469D9D58C34FF&eid=42425781F0B1C26E&journal_id=1005-0094&journal_name=生物多样性&referenced_num=0&reference_num=35