Skip to main content

11 Result(s)

within Keizo Katsuya Remove this filter

and

  1. No Access

    Article

    Teliospore-inducing activity for wheat leaf rust in the extracts of various host plant leaves infected with telia of rust fungi

    MeOH and water extracts were obtained from 16 species of infected leaves with rust fungi belonging to 18 species in 6 families: Pucciniaceae, Melampsoraceae, Coleosporiaceae, Pileolariaceae, Phragmidiaceae, an...

    Tomoo Hosoe, Koohei Nozawa, Ken-ichi Kawai, Yuichi Yamaoka, Keizo Katsuya in Mycoscience (2007)

  2. No Access

    Article

    Pathogenic Races of Phakopsora pachyrhizi on Soybean and Wild Host Plants Collected in Japan

    A total of 45 single uredinial isolates of Phakopsora pachyrhizi were collected from rust-infected soybean and wild host plants (Pueraria lobata and G. soja ) at different localities in central and southwestern J...

    Yuichi YAMAOKA, Yukiyoshi FUJIWARA, Makoto KAKISHIMA… in Journal of General Plant Pathology (2002)

  3. No Access

    Article

    A substance inducing teliospore production in wheat leaf rust,Puccinia recondita f. sp.tritici

    A substance inducing teliospore production inPuccinia racondita f. sp.tritici was found in water and methanol extracts of wheat leaves with telia of the wheat leaf rust just before harvest time. Methanol (MeOH) a...

    Tomoo Hosoe, Tatsuya Sano, Hideo Nishikawa, Koohei Nozawa, Ken-ichi Kawai… in Mycoscience (2001)

  4. No Access

    Article

    Morphological classification of ectomycorrhizas ofPinus densiflora

    Morphological classification of ectomycorrhizas ofPinus densiflora was conducted. Fifty soil samples containing pine ectomycorrhizas, and 40 pine seedlings were collected randomly in two separate reforested stand...

    Akiyoshi Yamada, Keizo Katsuya in Mycoscience (1996)

  5. No Access

    Article

    Stem-rot damage and the progress of causal fungi in old-aged Japanese larch trees at the foot of Mt. Fuji

    Damage caused by stem-rot and the progress of the causal fungi in old-aged Japanese larch (Larix kaempferi (Lamb.) Carr.) was investigated at the foot of Mt. Fuji. Stem-rot was found in 75% of 108 trees investiga...

    Masashi Ohsawa, Yoshio Kuroda, Mitsutoshi Tsunoda… in Journal of Forest Research (1996)

  6. No Access

    Article

    Mycorrhizal association of isolates from sporocarps and ectomycorrhizas withPinus densiflora seedlings

    Thirty-two isolates from sporocarps of 27 species of macromycetes, 43 isolates from ectomycorrhizas ofPinus densiflora (Japanese red pine) and 1 isolate from an ectomycorrhiza ofQuercus myrsinaefolia were tested ...

    Akiyoshi Yamada, Keizo Katsuya in Mycoscience (1995)

  7. No Access

    Article

    Vesicular-arbuscular mycorrhizal fungi in coastal dune plant communities II. Spore formation ofGlomus spp. predominates under geographically separated patches ofElymus mollis

    Five study sites in Japan with pure patches ofElymus mollis near to the shoreline were chosen. Abundance of spore formation ofGlomus spp. underE. mollis patches were studied at four sites to understand the factor...

    Jun-ichi P. Abe, Keizo Katsuya in Mycoscience (1995)

  8. No Access

    Article

    Vesicular-arbuscular mycorrhizal fungi in coastal dune plant communities I. Spore formation ofGlomus spp. predominates under a patch ofElymus mollis

    Vesicular-arbuscular (VA) mycorrhizal fungi in pure patches of coastal dune plantsElymus mollis, Wedelia prostrata andZoysia macrostachya were examined for frequency of occurrence and number of spores of VA mycor...

    Jun-ichi P. Abe, Gaku Masuhara, Keizo Katsuya in Mycoscience (1994)

  9. No Access

    Article

    Mating type of isolates derived from the spermogonial state ofPuccinia coronata var.coronata

    Hyphal confrontation between two haploid cultures originating from single basidiospores was used to determine the mating type ofPuccinia coronata var.coronata. Pairs of 15 single-basidiospore cultures were placed...

    Kazuhiko Narisawa, Yuichi Yamaoka, Keizo Katsuya in Mycoscience (1994)

  10. No Access

    Article

    Mycorrhizal differences between genuine roots and tuberous roots of adult plants ofSpiranthes sinensis var.amoena (Orchidaceae)

    Genuine roots ofSpiranthes sinensis var.amoena were infected with the mycorrhizal fungusRhizoctonia repens immediately after root formation in autumn. Infection by the mycorrhizal fungus extended, reaching a maxi...

    Gaku Masuhara, Keizo Katsuya in The botanical magazine = Shokubutsu-gaku-zasshi (1992)

  11. No Access

    Article

    Fungal coil formation ofRhizoctonia repens in seedlings ofGaleola septentrionalis (orchidaceae)

    Protocorms or protocorms with roots of an achlorophyllous orchidGaleola septentrionalis were inoculated with isolates ofRhizoctonia repens, R. solani, andRhizoctonia spp. The seedlings were infected with eight of...

    Gaku Masuhara, Keizo Katsuya in The botanical magazine = Shokubutsu-gaku-zasshi (1991)