Latest Volume/Issue

Volume And Issue List
Annual Report of the Kanto-Tosan Plant Protection Society
- Vol.2015(2015)
  - No.62 p.1-
- Vol.2014(2014)
  - No.61 p.1-
- Vol.2013(2013)
  - No.60 p.1-
- Vol.2012(2012)
  - No.59 p.1-
- Vol.2011(2011)
  - No.58 p.1-
- Vol.2010(2010)
  - No.57 p.1-
- Vol.2009(2009)
  - No.56 p.1-
- Vol.2008(2008)
  - No.55 p.1-
- Vol.2007(2007)
  - No.54 p.1-
- Vol.2006(2006)
  - No.53 p.1-
- Vol.2005(2005)
  - No.52 p.1-
- Vol.2004(2004)
  - No.51 p.1-
- Vol.2003(2003)
  - No.50 p.1-
- Vol.2002(2002)
  - No.49 p.1-
- Vol.2001(2001)
  - No.48 p.1-
- Vol.2000(2000)
  - No.47 p.1-
- Vol.1999(1999)
  - No.46 p.1-

Predecessor

Proceedings of the Kanto-Tosan Plant Protection Society

Annual Report of the Kanto-Tosan Plant Protection Society Vol. 2015(2015) No. 62

Special lecture

Epidemiology and Control of Black Ring Spot Symptom on Japanese Radish Root Caused by Albugo macrospora

Masanobu KOBAYASHI

Released: February 13, 2017

p.1-5

[in Japanese]

Original papers

Plant diseases

Investigation of a Coleoptile Wound-inoculation Assay of Seedlings for Surveillance of Disease Susceptibility to Bacterial Black Node of Wheat and Barley

Hiroshi UEMATSU, Yasuhiro INOUE

Released: February 13, 2017

p.6-8

[in Japanese]

Effect of Soil Solarization to Reduce Haematonectria ipomoeae Density

Sunao OCHI, Yoshiyuki KUSHIMA, Hirotaka IHARA, Akio NAKAGAWA, Satoshi TERAMOTO, Tomoyoshi ASHIMOTO

Released: February 13, 2017

p.9-12

[in Japanese]

Confirmation of the Transmissibility of Tomato yellow leaf curl virus from a Resistant Tomato Cultivar Grown in a Greenhouse

Maho TAKAHASHI, Yumika SATO, Nanako NAKATA

Released: February 13, 2017

p.13-15

Tomato yellow leaf curl virus (TYLCV) vectored by the sweetpotato whitefly Bemisia tabaci, is a major threat to tomato production. Recently, some tomato growers cultivate a TYLCV-resistant cultivar for control of TYLCV in Chiba Prefecture. The effect of the Japanese commercial resistant cultivar on TYLCV epidemiology has not been well understood. Therefore, the role of the TYLCV infected resistant tomato cultivar on viral acquisition and transmission by its vector was studied in a tomato grower’s greenhouse. The viral copy number in resistant tomato leaf was 1.4×10⁷-5.6×10⁸ TYLCV DNA copies per 1μg total leaf DNA. In line with the high copy numbers, viral acquisition rate of whiteflies obtained from the greenhouse was 85.7%. Furthermore, these whiteflies transmitted TYLCV to the TYLCV-susceptible cultivar. It is highly probable that the TYLCVresistant tomato cultivar could be the reservoirs for TYLCV.

Wilt and Damping Off of Hydroponic Cucumber Plantlets Caused by Pythium aphanidermatum and Grafting to Squash Rootstock for Promising Protection from the Disease

Masaharu KUBOTA, Tadahisa HIGASHIDE, Akimasa NAKANO, Ken-ichiro YASUBA, Hiromi OMORI, So KANEKO

Released: February 13, 2017

p.16-20

In a plant growth factory in Tsukuba, Japan, cucumber plants cultivated with spray hydroponics were wilted. The causal agent was identified as Pythium aphanidermatum based on morphological and genetic characters. Cucumber plants grafted onto squash plants as rootstocks escaped wilt in the factory, but were diseased when grafting points were infected by the pathogen. Eight major squash cultivars for rootstock for cucumber bred in Japan were not wilted after zoospores of the pathogen were mixed with the nutrient solution, however seven cucumber cultivars were wilted. Squash rootstocks would be available for suppression of Pythium root rot on hydroponic cucumbers.

The First Record of Cucumber Root Rot by Globisporangium (Pythium) splendens in Japan

Yuji SUGAWARA, Aoi SHIBATA, Kotone MORITA, Hideo HOSHI, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.21-23

Root rot of cucumber occurred on Hahajima in Ogasawara (Bonin) Islands in 2013 and 2014. The causal fungi isolated from the diseased plants were identified as Globisporangium (Pythium) splendens. Inoculation tests confirmed that this fungus was the causal agent of the disease. This is the first record of the disease in Japan.

Effect of Chemical Control on Strawberry Anthrancnose of Cultivar ‘Natsuotome’ Flowers and Fruits Harvested from Summer to Autumn and Effect of Cultural Control

Junichi TAKANO, Makoto KOBAYASHI

Released: February 13, 2017

p.24-27

[in Japanese]

Control of Bacterial Brown Rot of Welsh Onion by Some Chemicals

Kazuhiko SAKAI

Released: February 13, 2017

p.28-30

[in Japanese]

Relationship between Weather Conditions and Occurrence of Downy Mildew of Welsh Onions Harvested during Autumn and Winter in Chiba Prefecture

Tomoko YOKOYAMA, Shingo USHIO

Released: February 13, 2017

p.31-33

[in Japanese]

Phage-typing of Xanthomonas campestris pv. campestris, the Pathogen of Bacterial Black Rot of Crucifers, Isolated in Japan, and Distribution of the Types

Yasuhiro INOUE, Takayuki MATSUURA, Koji AZEGAMI

Released: February 13, 2017

p.34-36

[in Japanese]

Occurrence of Rhizoctonia Blight of Komatsuna Caused by Rhizoctonia solani AG-4 HG-I

Norihito YAMAUCHI, Takashi SHIRAKAWA

Released: February 13, 2017

p.37-39

Rhizoctonia blight of komatsuna (Brassica rapa var. perviridis) occurred in Ibaraki Prefecture on July, 2009.The causal agent was identified as Rhizoctonia solani AG-4 HG-I, and pathogenicity of this pathogen was moreprominent at relatively high temperature condition. We propose that R. solani AG-4 HG-I should be added tothe pathogens of Rhizoctonia blight of komatsuna.

Occurrence of Komatsuna Downy Mildew Caused by Hyaloperonospora brassicae in Japan

Norihito YAMAUCHI, Mamoru SATOU, Fumio SATO, Takashi SHIRAKAWA

Released: February 13, 2017

p.40-43

In July 2009, yellowing and irregularly-shaped lesions on the leaves of komatsuna (Brassica rapa var. perviridis) were observed in a plastic greenhouse in Ibaraki Prefecture, Japan. The pathogen was identified as Hyaloperonospora brassicae based on the morphological features of conidiophores and conidia, the sequence of rDNA-ITS region and host range of the pathogen.

Examination of Japanese-pear Crown Gall Control Using Copper Wettable Powder (Copper Sulphate Basic) Root Treatment

Kazuhiko SAKAI, Toshihiko SHOJI, Tsuneo UETAKE, Tomohito SHIMADA

Released: February 13, 2017

p.44-46

[in Japanese]

Development of a Model for Forecasting Phytophthora Rot of Japanese Pear in Chiba Prefecture

Youhei KANEKO

Released: February 13, 2017

p.47-54

[in Japanese]

Distribution of Mycelial Compatibility Group (MCG) of Japanese Pear Dwarf Disease Pathogen, Fomitiporia torreyae in Chiba Prefecture

Youhei KANEKO, Azusa SHIOTA, Tatsuya SUZUKI, Takeshi SUZUKI, Shingo USHIO

Released: February 13, 2017

p.55-59

[in Japanese]

Influence of Removing Leaves on Decay Development in Japanese Pear Trees Caused by Fomitiporia torreyae

Youhei KANEKO, Masayoshi OSHIDA, Azusa SHIOTA, Takeshi SUZUKI

Released: February 13, 2017

p.60-62

[in Japanese]

Field Survey on Appearance of Japanese Pear Dwarf in Commercial Orchards and Investigation on Differences among Cultivars in Frequency of Symptoms and Degree of Wood Decay by Inoculation with Fomitiporia torreyae

Azusa SHIOTA, Youhei KANEKO, Tatsuya SUZUKI, Takeshi SUZUKI, Hitoshi NAKAMURA

Released: February 13, 2017

p.63-66

[in Japanese]

Specific Detection of the Dwarf Japanese Pear Pathogen, Fomitiporia torreyae, by the Polymerase Chain Reaction

Takeshi SUZUKI, Azusa SHIOTA, Youhei KANEKO, Tatsuya SUZUKI

Released: February 13, 2017

p.67-72

Little is known about Fomitiporia torreyae, a pathogen of Japanese pear dwarf. Therefore, we used the polymerase chain reaction (PCR) to develop a method for the specific detection of the pathogen in decayed wood. In the ribosomal DNA internal transcribed spacer (rDNA ITS) region, the degree of sequence homology between F. torreyae and related species was between 84 and 99%. We used the F. torreyae rDNA ITS sequence to design specific primers (FP-f1 and FP-r1) for detection of the pathogen. When the primers were tested with several isolates of F. torreyae and eight other basidiomycetes isolates, we obtained the expected PCR products (356 bp) only from the F. torreyae isolates. We then developed a method for the extraction of mycelial DNA from decayed tissues of infected trees. Samples were grated by using emery paper with a buffer containing 10% PEG and 0.35 M sorbitol, and the resulting DNA samples were used for PCR reactions. The sensitivity of detection was improved by the use of nested PCR reactions. Thus we were able to specifically detect the Japanese pear dwarf pathogen, F. torreyae, in decayed wood by PCR.

The First Record of Anthracnose on Atemoya Fruit Caused by Colletotrichum theobromicola in Japan

Kotone MORITA, Yuji SUGAWARA, Ayaka MINOSHIMA, Hideo HOSHI, Yutaro YOSHIZAWA, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.73-77

Fruit rot of atemoya (Annona × atemoya Hort. & Wester) occurred in Chichijima-island of Tokyo in December 2014. The pathogen isolated from the diseased pod was identified as Colletotrichum theobromicola based on morphological characteristics and molecular analysis of the rDNA-ITS, β-tubulin and actin regions. Inoculation test showed that the fungus was the causal agent of the disease. This is the first report of this disease in Japan.

The First Record of Anthracnose on Cacao Pods Caused by Colletotrichum tropicale in Japan

Aoi SHIBATA, Ayaka MINOSHIMA, Yuji SUGAWARA, Kotone MORITA, Yutaro YOSHIZAWA, Hideo HOSHI, Yuuri HIROOKA, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.78-82

Cacao pod rot of Theobroma cacao L. occurred in Chichijima-island of Tokyo in 2014. The pathogen isolated from the diseased pod was identified as Colletotrichum tropicale based on morphological characteristics and molecular analyses of the rDNA-ITS, β-tubulin and actin regions. Inoculation test showed that the fungus was the causal agent of the disease. This is the first report of this disease in Japan.

New Leaf Spot Diseases of Datura spp. Caused by Alternaria crassa

Remi ICHINOSE, Junji NISIKAWA, Kotone MORITA, Aoi SHIBATA, Yutaro YOSHIZAWA, Masako ARAGANE, Yuuri HIROOKA, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.83-86

Datura spp. are medical herbs used as raw material in products such as pain-killers. Since September, 2012, we have investigated diseases of the medical herbs in the Tokyo Metropolitan Medicinal Plant Garden and found leaf spots on Datura inoxia and D. metel. On the spots, Alternaria crassa was abundantly observed. In this study we confirmed the pathogenicity of A. crassa to three Datura species (D. stramonium, D. metel and D. inoxia) and proposed the name of leaf spot (Japanese name: rinmon-byo) for the diseases.

The First Report of Rhizoctonia Rot on Chinese Foxglove, Beach Silvertop and Common Soapwort, and Southern Blight on Sand Plantain and Heal-all in Japan

Kotone MORITA, Remi ICHINOSE, Aoi SHIBATA, Tomoko OTA, Masako ARAGANE, Yutaro YOSHIZAWA, Tatsuro YAHATA, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.87-92

Rhizoctonia rot of Chinese foxglove, beach silvertop and common soapwort, and southern blight of sand plantain and heal-all occurred at the Tokyo Metropolitan Medicinal Plant Garden in 2013 and 2014. The causal fungus isolated from each plant of Chinese foxglove, beach silvertop and common soapwort was identified as Rhizoctonia solani, while the fungus from sand plantain and heal-all was identified as Sclerotium rolfsii. The diseases were first reported on the plants in Japan.

The First Record of Southern Blight on St John's Wort, Japanese Valerian, Common Verbena, Fairy Bells and Chives in Japan

Kotone MORITA, Remi ICHINOSE, Aoi SHIBATA, Yutaro YOSHIZAWA, Masako ARAGANE, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.93-96

In June and July 2013, Southern blight symptoms were observed on St John's wort, Japanese valerian, common verbena, fairy bells and chives in Kodaira, Japan. From each symptom, one fungus was isolated. Koch’s postulates were conducted by inoculating these healthy plants with the isolated fungi and indicated that the isolated fungi have pathogenicity to the plants. Based on detail morphological examination and ITS homology test, the pathogens were identified as Sclerotium rolfsii Saccardo. To our knowledge, this is the first report of S. rolfsii causing this blight on the five plants in Japan.

The First Record of Southern Blight on Orange Hawkweed, Pincushion-flower, August-lily, Potentilla, Astilbe and Prostrate Speedwell in Japan

Yuri SASAI, Sayaka TACHI, Aya OZAWA, Yutaro YOSHIZAWA, Fumio ONO, Satoshi KAGIWADA, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.97-100

In 2013, orange hawkweed, pincushion-flower, August-lily, potentilla, astilbe and prostrate speedwell were blighted in flower beds in Saitama, Japan. The pathogens isolated from each diseased plant were identified as Sclerotium rolfsii based on morphological observations and ITS homology test. This is the first report of the diseases in Japan.

First Report of Anthracnose on Arabian Jasmine and Elaeagnus × ebbingei in Japan

Mari KONDO, Remi ICHINOSE, Kotone MORITA, Yuji SUGAWARA, Tsuyoshi ONO, Hideo HOSHI, Jun TAKEUCHI, Seiju ISHIKAWA, Hiromichi HORIE

Released: February 13, 2017

p.101-105

Two severe leaf spot diseases were observed on Arabian jasmine and Elaeagnus × ebbingei in Japan. Fungal isolates were obtained from acervuli on these diseased leaves. Based on morphological and ITS sequence data, the isolates were identified as Colletotrichum tropicale on Arabian jasmine and C. siamense on Elaeagnus × ebbingei. This is the first report of Arabian jasmine and Elaeagnus × ebbingei causing Anthracnose in Japan.

Occurrence of Stem Rot of Luculia sp. Caused by Phoma exigua

Taichi FUNAKUBO, Kyoko YOKOUCHI, Yoshihiro KUNITOMO

Released: February 13, 2017

p.106-109

[in Japanese]

Insect pests

Method for Monitoring Small Brown Planthopper, Laodelphax striatellus Using Yellow Sticky Traps in Paddy Fields

Masahiro HIRAE, Takuya SHIBA

Released: February 13, 2017

p.110-115

[in Japanese]

Control Effect of Fipronil on Laodelphax striatellus and Distribution of Fipronil Resistant Individuals in Gunma Prefecture

Yuriko OGURA, Toru AIZAWA, Kei SHIMADA

Released: February 13, 2017

p.116-118

[in Japanese]

Occurrence of Rice Skipper Parnara guttata guttata (Lepidoptera: Hesperiidae) Larvae on Purple Rice and Forage Rice in Paddy Field

Mami ISHIZAKI

Released: February 13, 2017

p.119-121

Occurrence of second generation larvae and eggs of rice skipper was investigated on purple rice variety Purple rice of NARO Institute of Crop Science (Purple rice) and forage rice cultivar‘Momiroman’, latetransplanted in a paddy field. Number of eggs on leaves of the two varieties did not differ significantly, whereas number of larvae on Purple rice was significantly less than that on‘Momiroman’. Survival rate of newly hatched larvae was investigated by a laboratory rearing experiment using leaves of the two varieties. Half of the larvae on Purple rice leaves had left the leaves within 24 hours, whereas most larvae on‘Momiroman’leaves stayed on the leaves after 24 hours. It is possible that the Purple rice plant is not a suitable food for newly hatched larvae.

Effect of Tomato Seedling Insecticide Treated Soil on Bemisia tabaci (Gennadius) and Tomato yellow leaf curl virus Infection

Naoto HARUYAMA, Yoshiko NAKAZAWA, Kanae MATSUMOTO, Takashi FUKUDA

Released: February 13, 2017

p.122-124

[in Japanese]

Biological Control of Thrips tabaci by Omnivorous Predator Nesidiocoris tenuis on Cucumbers in Greenhouses

Norihide HINOMOTO, Koukichi NAGASAKA, Chie GOTO, Shinji KOHARA, Toshiyuki TEZUKA

Released: February 13, 2017

p.125-129

Thrips-control ability of the mirid bug Nesidiocoris tenuis (Reuter) was investigated against Thrips tabaci Lindeman on cucumbers grown in greenhouses. In 2013, the cucumbers were transplanted in August, and the bugs were released three times with seven-day intervals at the density of 0.5 bugs per plant. In 2014, the bugs were released four times on the cucumbers transplanted in March in the same manner as in 2013. In both trials, the density of thrips on cucumbers was significantly reduced in the bug-released greenhouse.

Evaluation of the Transmissibility of Melon yellow spot virus by its Vector, Thrips palmi, Using a Plant Tissue Culture Container

Tamito SAKURAI, Yasuhiro TOMITAKA, Hiroshi ABE, Shinya TSUDA

Released: February 13, 2017

p.130-132

[in Japanese]

Control of Pest Thrips on Strawberry by Haplothrips brevitubus (Karny) in Forcing Greenhouses

Hitoshi YOSHIZAWA, Masami SAKURAI, Masatoshi HINOTO, Takashi ISHII, Toshihiko URUSHIBARA, Kotaro MORI

Released: February 13, 2017

p.133-137

[in Japanese]

Effect of Some Insecticides on Flower Thrips, Frankliniella intonsa (Trybom) (Thysanoptera: Thripidae) Collected from Strawberry Greenhouses in Ibaraki Prefecture

Tomoya YOKOYAMA, Shinsuke SATO, Tetsurou KASHIMA

Released: February 13, 2017

p.138-140

[in Japanese]

Effect of Ten Insecticides including Diamide Insecticide on Diamondback Moth (Plutella xylostella) in Ibaraki Prefecture in Japan

Mariko INOUE, Katsu OKABE, Takashi OGAWARA

Released: February 13, 2017

p.141-143

[in Japanese]

Control of the Bulb Mites, Rhizoglyphus robini Claparede and Sancassania spp. on Chinese Chive by Rotary Tilling in Winter

Hiroshi NISHIMURA, Takahiro ICHIKAWA

Released: February 13, 2017

p.144-148

[in Japanese]

Species Composition of Ladybird Beetles and their Seasonal Changes in Tea Fields

Akihito OZAWA, Toru UCHIYAMA

Released: February 13, 2017

p.149-152

In 2008 and 2009, we investigated the species composition of ladybird beetles and their seasonal changes in tea fields of Shizuoka Prefecture, Japan. The ladybird beetles were detected by three methods: yellow sticky traps in the tea canopy, SE traps on the tea canopy and beating the side of the tea canopy. Five tea fields in our research center and commercial fields were investigated. Pest management at these fields included various pesticide and non-pesticide control measures. Eight species of the ladybird were found; Chilocorus kuwanae Silvestri, Pseudoscymnus hareja (Weise), Hyperaspis japonica (Crotch), Harmonia axyridis (Pallas), Scymnus (Pullus) kawamurai (Ohta), Coccinella septempunctata Linnaeus, Propylea japonica (Thunberg), and Phymatosternus lewisii (Crotch). The dominant species were C. kuwanae, P. hareja and H. japonica. These three species are predators of scales, and the others seem to be predators of aphids. The peaks of C. kuwanae occurrence in 2008 were observed at the end of June, the beginning of August and mid-September. The peaks of P. hareja were observed from the end of August to the beginning of September, and H. japonica's peaks were observed at the beginning of June and mid-July. The number of C. kuwanae captured in the non-pesticide field was more than those in reduced pesticide and conventional control fields and the number of P. hareja captured in the reduced pesticide field was more than those in other fields.

Seasonal Occurrence of Phytoseiid Mites in Urbanized Japanese Pear Orchards

Daiki YAMAZAKI, Kyo ITOYAMA

Released: February 13, 2017

p.153-155

[in Japanese]

Carabid Beetles Collected in Pear Orchards of Saitama Prefecture

Toshihiko SHOJI

Released: February 13, 2017

p.156-159

[in Japanese]

Aphid Control Programs in Spring to Prevent Spread of Plum pox virus Infecting Japanese Apricot

Ayana KATO, Hideo HOSHI, Syuhei YAMAGUCHI, Tsuyoshi ONO, Yuji SUGAWARA, Koji TAKEUCHI

Released: February 13, 2017

p.160-165

[in Japanese]

Effect of Insecticides against Aphids which Immigrated to Plums in the Autumn Period

Ayana KATO, Hideo HOSHI, Syuhei YAMAGUCHI, Tsuyoshi ONO, Yuji SUGAWARA, Koji TAKEUCHI

Released: February 13, 2017

p.166-170

[in Japanese]

Abstracts

[title in Japanese]

Released: February 13, 2017

p.171-175

Full Text PDF[999K]

[title in Japanese]

Released: February 13, 2017

p.176-181

Full Text PDF[626K]

Newly recognized plant diseases and insect pests

[title in Japanese]

Released: February 13, 2017

p.182-184

[in Japanese]

1 - 44 / 44 Articles.

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Back Issues

Volume And Issue List Annual Report of the Kanto-Tosan Plant Protection Society

Predecessor

Annual Report of the Kanto-Tosan Plant Protection Society Vol. 2015(2015) No. 62

Special lecture

Original papers

Plant diseases

Insect pests

Abstracts

Newly recognized plant diseases and insect pests

System Maintenance

Announcement From J-STAGE

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Volume And Issue List
Annual Report of the Kanto-Tosan Plant Protection Society