Changes in water status in seedlings of six species in the Fagaceae after inoculation with Raffaelea quercivora Kubono et Shin-Ito
Changes in water status in seedlings of six species in the Fagaceae after inoculation with Raffaelea quercivora Kubono et Shin-Ito
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DOI：
10.1007/s10310-004-0142-7
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发表时间：
2005-06-01
影响因子：
1.5
通讯作者：
Ito, S
中科院分区：
文献类型：
--
作者：
Murata, M;Yamada, T;Ito, S
为了阐明壳斗科6种植物(皱叶栎属、锯缘栎属、麻疯栎属、高山栎属、青冈栎属和锥栗变种)在感病上的差异。Sieboldii)，将该真菌接种于每种植物的7株5年生盆栽幼苗上，观察接种后症状的发展，并测定木质部压力势(XPP)。第1次死亡发生在皱纹栎第11天和锯缘栎第56天。皱叶栎死苗5株，锯缘栎死苗1株，其余4种未见死亡。无论是皱叶栎苗还是锯缘栎苗，接种后XPP均有所下降。相反，其他4个树种的接种苗的XPP几乎与对照苗相同。这些结果表明，该菌对皱纹栎属和锯缘栎属植物均有致病作用，所研究的6种壳斗科植物的敏感性因种而异。
To clarify the differences in susceptibility of six species in the Fagaceae (Quercus crispula, Quercus serrata, Quercus acutissima, Quercus phillyraeoides, Quercus glauca, and Castanopsis cuspidata var. sieboldii) to Raffaelea quercivora, we inoculated this fungus on seven potted 5-year-old seedlings of each species, observed symptom development, and measured xylem pressure potential (XPP) after inoculation. The first death was observed on the 11th day in Q. crispula and on the 56th day in Q. serrata. The number of dead seedlings of Q. crispula and Q. serrata were five and one, respectively, whereas no mortality was observed in the other four species. The XPP of inoculated seedlings in both Q. crispula and Q. serrata decreased after inoculation. In contrast, the XPP of inoculated seedlings of the other four species remained almost the same as in the control seedlings. These results indicate that R. quercivora is pathogenic to Q. crispula and Q. serrata and that the susceptibility of the six Fagaceae species in our study differed among species.