Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Shin‐ichirou Syobu"'
Autor:
Shin-ichirou Syobu, Sachiko Watanabe
Publikováno v:
Horticulturae, Vol 8, Iss 7, p 578 (2022)
In 2016, an onion downy mildew epidemic caused by Peronospora destructor severely damaged the commercial onion fields in Saga Prefecture, western Japan. To identify the factors underlying the outbreak, we investigated the symptoms of downy mildew cau
Externí odkaz:
https://doaj.org/article/13c6bb3622e04409973e2363969171ff
Autor:
Sachiko Watanabe, Shin‐ichirou Syobu
Publikováno v:
Journal of Phytopathology. 170:711-723
Publikováno v:
Applied Entomology and Zoology. 47:399-412
We analyzed overseas immigrations of rice planthoppers in Kyushu, Japan, based on trap data collected during June–July in 2000–2011. The immigrant density was high in 2006, whereas it was low in 2008 and 2011. To understand these annual fluctuati
Publikováno v:
Applied Entomology and Zoology. 46:41-50
The pattern of overseas immigration of Laodelphax striatellus (Fallen) into northern Kyushu district in relation to weather conditions was analyzed using trap catch data, weather data, and backward trajectory analysis. The investigation covered the p
Publikováno v:
Japanese Journal of Applied Entomology and Zoology. 47:137-141
Relationships between seasonal fluctuations in pheromone trap catches of Spodoptera litura F. (Lepidoptera: Noctuidae) and the number of soybean leaves newly injured by young larvae of this species were examined in soybean fields from 1999 to 2002 in
Autor:
Shin-ichirou Syobu, Hatsuko Mikuriya, Jun-ichirou Yamaguchi, Masafumi Matsuzaki, Masaya Matsumura
Publikováno v:
Japanese Journal of Applied Entomology and Zoology. 46:135-143
"Fluctuations in the wing-form ratio of the brown plant hopper (BPH), Nilaparvata lugens, were examined by collecting fifth-instar nymphs from rice fields. Two peaks of brachypterous females were observed at 40-50 days after transplanting (DAT) and 7
Publikováno v:
Kyushu Plant Protection Research. 48:60-63
Autor:
Syojirou Zen, Hatsuko Mikuriya, Jun-ichirou Yamaguchi, Shin-ichirou Syobu, Masafumi Matsuzaki, Takashi Wada
Publikováno v:
Japanese Journal of Applied Entomology and Zoology. 45:203-207
Overwintering mortality of the apple snail, Pomacea canaliculata was investigated in a paddy field of Southern Japan for seven consecutive years. Field data and laboratory experiments revealed snails larger than 6.0 mm exhibited higher cold tolerance
Publikováno v:
Kyushu Plant Protection Research. 45:5-11
Publikováno v:
Kyushu Plant Protection Research. 43:1-7