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‘Haruto34’ : An Extremely Early-Budding New Green Tea Cultivar 极早出芽绿茶新品种“春茶34”
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_7
H. Yoshidome, Hirofumi Nagatomo, T. Mizuta, Kenichiro Sato, Minoru Miyamae, T. Furuno
{"title":"‘Haruto34’ : An Extremely Early-Budding New Green Tea Cultivar","authors":"H. Yoshidome, Hirofumi Nagatomo, T. Mizuta, Kenichiro Sato, Minoru Miyamae, T. Furuno","doi":"10.5979/cha.2018.125_7","DOIUrl":"https://doi.org/10.5979/cha.2018.125_7","url":null,"abstract":"seedlings the between 'Saemidori and Sakimidori ’， were carried out : ‘ Haruto34 ’ is extremely early budding and plucking time of the first crop is about two days earlier than that in ‘ Saemidori'. The shape of the plant is of intermediate type and its growth is vigorous. ‘ Haruto34 ’ is fairly resistant to tea gray blight (Pestalotio ρ sis longiseta (Spegazzini) Dai et Kobayashi), but it is susceptible to tea anthracnose (Discula theas 引 ・nensis (I.Miyake) Moriwaki & Toy.Sato)and tea blister blight (Exobasidium vexans Massee ）.‘ Haruto34 ’ is vulnerable to mulberry scale (Pseudaulacas ρ is ρ entagona Targioni ）.‘ Haruto34 ’ is fairly resistant to cold injury damage in winter. The yield of 'Haruto34 ’ is higher than that of ・y abukita ’ and ‘ Saemidori'. Sencha, Kamairicha to make with ‘ Haruto34 ’ is high quality, as indicated by the bright green color of tea and mild aroma and taste. The amino acid content in the processed tea is high, whereas the tannin content is low. The covering cultivation of haruto34 around five days can greatly improve quality of the tea.","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122096995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of Umami and Astringency of Kamairicha, Tama-ryokucha and Sencha by Using a Taste Sensor System 用味觉传感器系统评价Kamairicha、Tama-ryokucha和Sencha的鲜味和涩味
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_45
Kouzou Yamaguchi, Hideo Miyazaki
{"title":"Evaluation of Umami and Astringency of Kamairicha, Tama-ryokucha and Sencha by Using a Taste Sensor System","authors":"Kouzou Yamaguchi, Hideo Miyazaki","doi":"10.5979/cha.2018.125_45","DOIUrl":"https://doi.org/10.5979/cha.2018.125_45","url":null,"abstract":"","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"413 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126690720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Occurrence of Bacterial Spot Disease of Tea Caused by Acidovorax valerianellae Gardan, Stead, Dauga and Gillis 2003 in Shizuoka Pref. 2003年静冈县紫叶酸霉细菌性斑疹病的发生。
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_25
M. Togawa, M. Tsuji, Y. Takikawa
{"title":"Occurrence of Bacterial Spot Disease of Tea Caused by Acidovorax valerianellae Gardan, Stead, Dauga and Gillis 2003 in Shizuoka Pref.","authors":"M. Togawa, M. Tsuji, Y. Takikawa","doi":"10.5979/cha.2018.125_25","DOIUrl":"https://doi.org/10.5979/cha.2018.125_25","url":null,"abstract":"A red spot disease has been observed on leaves of a line of tea (Camellia sinensis) in Shizuoka Pref., in 2015. At first glance, the symptoms were similar to bacterial shoot blight caused by Pseudomonas syringae pv. theae (Hori 1915) Young, Dye and Wilkie 1978. But water-soaked lesions around spots were narrower than that observed in bacterial shoot blight, and the margin of water-soaked lesions was unclear. Further, no symptom on petiole has been observed, which was frequently observed as the first major symptom of bacterial shoot blight. Therefore, identification of the causal agent was performed through isolation of pathogenic bacteria, artificial inoculation, physiological tests and phylogenic analysis based on 16S rRNA gene. As a result, it became clear that this disease was identical with bacterial spot of tea caused by Acidovorax valerianellae Gardan, Stead, Dauga and Gillis 2003. This is the first report on the occurrence of this disease outside Kagoshima Pref.","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128703357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Japanese Kamairicha (Pan Fired Tea) 日本Kamairicha(锅炒茶)
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_1
Takayoshi Sakamoto
{"title":"Japanese Kamairicha (Pan Fired Tea)","authors":"Takayoshi Sakamoto","doi":"10.5979/cha.2018.125_1","DOIUrl":"https://doi.org/10.5979/cha.2018.125_1","url":null,"abstract":"","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123679268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Egg Parasitism by Trichogramma spp. on the Smaller Tea Tortrix, Adoxophyes honmai Yasuda, and the Oriental Tea Tortrix, Homona magnanima Diakonoff 赤眼蜂寄生在小茶蜂和东方茶蜂上的卵研究
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_33
Chikara Ishijima, Yasushi Sato
{"title":"Egg Parasitism by Trichogramma spp. on the Smaller Tea Tortrix, Adoxophyes honmai Yasuda, and the Oriental Tea Tortrix, Homona magnanima Diakonoff","authors":"Chikara Ishijima, Yasushi Sato","doi":"10.5979/cha.2018.125_33","DOIUrl":"https://doi.org/10.5979/cha.2018.125_33","url":null,"abstract":"and a large peak at late October and mid-November, during which the rate of parasitism of A. honmai eggs was about 30%. The rate of parasitism of H. magnanima eggs had a small peak from late September to early October and a large peak from late October to early November, during which the rate of parasitism of H. magnanima eggs was about 60% to 80%. The rate of parasitism of H. magnanima eggs was significantly higher than that of A. honmai eggs during investigation period. These results suggest that Trichogramma spp. has high potential as a biological control agent for H. magnanima.","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128704206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introduction on the Research Project 27015C, Science and Technology Research 科学技术研究项目27015C简介
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2018-06-30 DOI: 10.5979/cha.2018.125_53
H. Horie, Toshikazu Suzuki, T. Takemoto, Tsutomu Niwa, Takashi Ikka
{"title":"Introduction on the Research Project 27015C, Science and Technology Research","authors":"H. Horie, Toshikazu Suzuki, T. Takemoto, Tsutomu Niwa, Takashi Ikka","doi":"10.5979/cha.2018.125_53","DOIUrl":"https://doi.org/10.5979/cha.2018.125_53","url":null,"abstract":"","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114547407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
マルチ回転翼型無人航空機 (ドローン) の空撮によるチャ炭疽病の被害推定の試み 多旋翼无人驾驶飞机(无人机)的航拍，试图推测茶炭疽病的危害
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2017-12-31 DOI: 10.5979/CHA.2017.124_9
朗人 小澤, 徹 内山, 哲也 大石
{"title":"マルチ回転翼型無人航空機 (ドローン) の空撮によるチャ炭疽病の被害推定の試み","authors":"朗人 小澤, 徹 内山, 哲也 大石","doi":"10.5979/CHA.2017.124_9","DOIUrl":"https://doi.org/10.5979/CHA.2017.124_9","url":null,"abstract":"","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114715213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential of Monitoring for Some Species of Eriophyid Mites by Using Suction Devices Developed for Capturing Small Insects in Tea Fields 茶田小虫吸捕装置监测某些类叶面螨的潜力
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2017-12-31 DOI: 10.5979/cha.2017.124_17
A. Ozawa, Toru Uchiyam
{"title":"Potential of Monitoring for Some Species of Eriophyid Mites by Using Suction Devices Developed for Capturing Small Insects in Tea Fields","authors":"A. Ozawa, Toru Uchiyam","doi":"10.5979/cha.2017.124_17","DOIUrl":"https://doi.org/10.5979/cha.2017.124_17","url":null,"abstract":"We tried monitoring the seasonal occurrences patterns of several species of mites in tea fields by using small suction devices driven by dry cell batteries, which were developed for capturing Pseudaulacaspis pentagona larvae, from April to November 2010. The devices captured Tetranychus kanzawai, phytoseiidae mites and two species of eriophyid mites: Acaphylla theavagrans, and Calacarus carinatus. The number of captured individuals of the two species of eriophyid mites was larger. Simultaneously, after replacing the trap cartridge in the device, we collected 20 tea leaves weekly from areas near the place where the capturing device was set, and investigated the density of each mite species on the collected leaves. We compared the densities of the mites and the number captured by the device. For the two species of eriophyid mites, A. theavagrans, and C. carinatus, the patterns of seasonal occurrence revealed that the number of mites captured and their density on leaves were almost synchronized. Moreover, a significant positive correlation was found between the number of mites captured and their density. Although the device had some problems in outdoor durability, the findings suggested that it is suitable for monitoring of eriophyid mites in tea fields.","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121551428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kamairicha (Pan Fired Tea) Made by Using Tilted Pan 用倾斜的平底锅制作的Kamairicha茶
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2017-12-31 DOI: 10.5979/cha.2017.124_23
Takayoshi Sakamoto
{"title":"Kamairicha (Pan Fired Tea) Made by Using Tilted Pan","authors":"Takayoshi Sakamoto","doi":"10.5979/cha.2017.124_23","DOIUrl":"https://doi.org/10.5979/cha.2017.124_23","url":null,"abstract":"","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130348440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generation Mechanisms of Bark Split Frost Injury of Tea Plant by the Artificial Freezing Treatment 人工冷冻处理对茶树树皮裂霜害的产生机理研究
Chagyo Kenkyu Hokoku (Tea Research Journal) Pub Date : 2017-12-31 DOI: 10.5979/cha.2017.124_1
A. Takahashi, K. Nakajima, Masafumi Hirakawa, K. Fukuda
{"title":"Generation Mechanisms of Bark Split Frost Injury of Tea Plant by the Artificial Freezing Treatment","authors":"A. Takahashi, K. Nakajima, Masafumi Hirakawa, K. Fukuda","doi":"10.5979/cha.2017.124_1","DOIUrl":"https://doi.org/10.5979/cha.2017.124_1","url":null,"abstract":"Bark split frost injury of tea plant occurs to young trees in early winter and early spring. If the damage is severe, the tea plant can wither and die. This led us to investigate the mechanism of bark split frost injury. Bark splitting caused by the formation of ice, was observed near the cambium layer of tea branch within 2cm above the surface of rock wool fully absorbed with water, when treated at -5°C. Bark splitting was not observed when the tea branches were inserted into dry rock wool. These facts indicate that bark split frost injury is caused by water. Liquid leaks were observed at several places of tea branches when the temperature was returned from -5 °C to room temperature. This phenomenon is possibly involved in bark split frost injury of tea plant. Although a split in cortex at the part of damage was confirmed with MRI, the blockage of sap-flow could not be confirmed.","PeriodicalId":201655,"journal":{"name":"Chagyo Kenkyu Hokoku (Tea Research Journal)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123764402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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