DESCRIPTION OF BURSAPHELENCHUS-LIGNICOLUS N-SP (NEMATODA-APHELENCHOIDIDAE) FROM PINE WOOD AND HISTOPATHOLOGY OF NEMATODE-INFESTED TREES
DESCRIPTION OF BURSAPHELENCHUS-LIGNICOLUS N-SP (NEMATODA-APHELENCHOIDIDAE) FROM PINE WOOD AND HISTOPATHOLOGY OF NEMATODE-INFESTED TREES
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DOI：
10.1163/187529272x00296
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发表时间：
1972-01-01
期刊：
影响因子：
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通讯作者：
KIYOHARA, T
中科院分区：
文献类型：
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作者：
MAMIYA, Y;KIYOHARA, T
松材线虫（Bursaphelenchus lignicolusn.sp.）在日本，它被描述为。外阴有一个宽的，重叠的前唇瓣，类似于Laimaenchus和Rhadinaphelenchus，但尾巴和骨针的形状与Bursaphelenchus相似。唇区高而偏置，口针14至18 µ长，基鞘小，卵巢外展，卵母细胞单列，子宫后囊延伸至肛门的四分之三，外阴占67至78%，雌性尾近圆柱形，末端宽圆形至指状，雄性尾弓形，末端爪状尖，末端被末端翼包围，成对，分开的骨针有一个尖锐的突出的喙和在末端上的表皮状突起。受害木材树脂道上皮细胞受损，有时完全破坏。接种3000 ~ 5000 B的2年生红松幼苗在接种后21天也观察到上皮细胞的破坏。接种后40 ~ 50 d，有7 ~ 13株幼苗出现叶片变色、萎蔫等症状，全部死亡。木质素杆菌容易在灰葡萄孢，盘多毛孢，和其他几种真菌，包括蓝变真菌。M.R.S.
Bursaphelenchus lignicolusn.sp. occurring mostly in axial and radial resin canals of wood of pine trees (Pinus densifloraandP. thunbergii) in Japan is described. The vulva has a wide, overlapping anterior lip flap similar to that ofLaimaphelenchusandRhadinaphelenchusbut the tail and spicule shape are as inBursaphelenchus. The lip region is high and offset, stylet 14 to 18 µ long with small basal swellings, ovary outstretched with single row of oocytes, postuterine sac extends three-fourths distance to anus, vulva is at 67 to 78%, female tail is subcylindrical with broadly rounded to digitate terminus, male tail is arcuate with talon-like pointed terminus surrounded by terminal alae and the paired, separate spicules have a sharply pointed prominent rostrum and cuticular-like projections on distal ends. The resin canal epithelial cells of infested wood were damaged and sometimes completely destroyed. The destruction of epithelial cells was also observed on 2-year-old red pine seedlings 21 days after inoculation with 3, 000 to 5, 000B. lignicolus, while 7 to 13 inoculated seedlings developed symptoms of discolouration and wilting of leaves and died in 40 to 50 days.B. lignicoluswas easily grown on cultures ofBotrytis cineras, Pestalotiasp., and several other fungi, including blue stain fungi. M.R.S.