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Yukio Kosugi

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Publication

Featured researches published by Yukio Kosugi.

Annual Report of the Kansai Plant Protection Society | 2009

Control of the mulberry scale, Pseudaulacaspis pentagona (Targioni), by JHA pyriproxyfen and its effects on natural enemies of the scale in tea fields.

Akihito Ozawa; Shuji Kaneko; Yukio Kosugi

Annual Report of the Kansai Plant Protection Society | 2013

Seasonal changes of adults of the tea spiny whitefly, Aleurocanthus camelliae Kanmiya and Kasai, in tea fields where the pest was first discovered in Shizuoka prefecture, Japan

Akihito Ozawa; Toru Uchiyama; Yukio Kosugi; Hajime Haga

Annual Report of the Kansai Plant Protection Society | 2013

The effect of insecticides on yellow tea thrips, Scirtothrips dorsalis Hood collected from tea fields in Shizuoka prefecture

Yukio Kosugi; Hajime Haga

Annual Report of the Kansai Plant Protection Society | 2017

Methodologies for estimating the density of tea spiny whitefly larvae, Aleurocanthus camelliae Kanmiya and Kasai in tea fields

Akihito Ozawa; Toru Uchiyama; Yukio Kosugi; Hajime Haga

Chagyo Kenkyu Hokoku (Tea Research Journal) | 2015

Distribution of the Parasitoid Encarsia smithi (Silvestri) on the Tea Spiny Whitefly Aleurocanthus camelliae Kanmiya & Kasai in Tea Fields in Shizuoka Prefecture, Japan

Akihito Ozawa; Toru Uchiyama; Yukio Kosugi; Hajime Haga

Annual Report of the Kansai Plant Protection Society | 2012

Genus Phomopsis isolated from tea die-back

Masayuki Togawa; Yukio Kosugi; Hajime Haga

Annual Report of the Kansai Plant Protection Society | 2000

Efficacy of insect growth regurator against tea leafroller, Caloptilia theivora .

Yukio Kosugi

Annual Report of the Kansai Plant Protection Society | 2000

Efficacy of BT ( Bacillus thuringiensis ) products against tea leafroller, Caloptilia theivora .

Yukio Kosugi

Annual Report of the Kansai Plant Protection Society | 1999

Effect of pesticides application in early spring for control of Tetranychus kanzawai Kishida in tea field.

Akio Tatara; Yukio Kosugi; Tazuko Onikubo

Annual Report of the Kansai Plant Protection Society | 1998

Oviposition sites of Tea Green Leafhopper, Empoasca onukii Matsuda in a new shoot of tea plants.

Yukio Kosugi

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Collaboration

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Shuji Kaneko

ENVIRON

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Akio Tatara

Hosei University

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