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Dung Beetles Attracted to Feces of Japanese Black Bear (Ursus thibetanus japonicus)
dung beetle Japanese black bear prevalence tunneller Ursus thibetanus
2009/8/28
We studied the fauna and the seasonal and diel activities of dung beetles that use the feces of the Japanese black bear (Ursus thibetanus japonicus) in Ashikawa, Yamanashi and Okutama, Tokyo. We recor...
Improving the Pine Wilt Disease Resistance of Cutting-propagated Japanese Black Pine Plantlet Populations by Inoculating Ortets with Pinewood Nematodes
Bursaphelenchus xylophilus cutting inoculation pine wilt disease resistance Pinus thunbergii
2009/8/28
Fifteen resistant individuals were selected from 38 sexually reproduced, open-pollinated seedlings from a pine wilt disease-resistant clone (Sendai (t)-290) of Japanese black pine (Pinus thunbergii). ...
Relationship between Degeneration of Branch Tissues and Whole Tree Death of Japanese Black Pine (Pinus thunbergii),Caused by Pine Wood Nematode (Bursaphelenchus xylophilus)
browning of branch pieces Bursaphelenchus xylophilus death Pinus thunbergii
2009/8/24
We investigated the relationship between degeneration of tissues and death of potted 3-year-old seedlings of Japanese black pine, Pinus thunbergii, from 6 families with different resistance, inoculate...