K. Kegasawa

Publications24
h-index8
Citations175
Highly Influential Citations5
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Seasonal Abundance and the Possibility of Spring Immigration of the Diamondback Moth, Plutella xylostella(LINNAEUS)(Lepidoptera:Yponomeutidae), in Morioka City, Northern Japan
IDENTIFICATION OF ASPARAGUSIC ACID AS A NEMATICIDE OCCURRING NATURALLY IN THE ROOTS OF ASPARAGUS
A nematicidal constituent, present at least at 35 ppm, was isolated from the roots of asparagus and identified as asparagusic acid, which has also been reported to exist in the edible part of the…
Circadian Locomotor Activity Rhythms in the African Clawed Frog, Xenopus laevis: The Role of the Eye and the Hypothalamus
TLDR
The effects of hypothalamic lesioning and removal of the eyes on locomotor activity rhythms of African clawed frog, Xenopus laevis were examined and freerunning periods in intact frogs were significantly shorter in dimLL than in DD.
Population dynamics of adult Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae): Dispersal distance of male moths and its seasonal change.
TLDR
Dispersal distance traveled by male spodoptera litura and its seasonal change frorn May to September wereimated by releasing marked males and later recapturing them with sex pheromone traps, and the dispersal distance decreased during summer.
Sex pheromone of the black cutworm moth, Agrotis ipsilon Hufnagel (Lepidoptera:Noctuidae): Attractant synergist and improved formulation.
Major Insect Pests of Leguminous Crops in Japan
Discovery of the Potato Cyst Nematode, Heterodera rostochiensis WOLLENWEBER, 1923, (Tylenchida : Heteroderidae) from Peru Guano
Population Dynamics of Adult Spodoptera litura(FABRICIUS)(Lepidoptera:Noctuidae):Estimation of Male Density by Using Release-Recapture Data
TLDR
Male density was estimated for revealing the reJationship between trap catch wlth synthetic sex pheromone and wild rnale density and showed generally similar, but smaller, fluctuation to the considerably overestimated prejections obtained by PETERsEN's method.
STUDIES ON THE ECOLOGY OF THE RICE NEMATODE, APHELENCHOIDES BESSEYI CHRISTIE I. : ON THE SWIMMING AWAY OF RICE NEMATODES FROM THE SEEDS SOAKED IN WATER AND THE RELATION TO THE WATER TEMPERATURES
Predation on Larvae of Plant Parasitic Nematodes by Soil Vampyrellid Amoebae
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