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Factors affecting red crown rot caused by Calonectria ilicicola in soybean cultivation
Journal of General Plant Pathology ( IF 1.0 ) Pub Date : 2020-07-03 , DOI: 10.1007/s10327-020-00938-y
Hajime Akamatsu , Naoya Fujii , Takaaki Saito , Akira Sayama , Hideki Matsuda , Masaya Kato , Rui Kowada , Yukiko Yasuta , Yuji Igarashi , Hideo Komori , Katsuo Tanji , Tomohisa Kuroda , Yoichi Fujita , Makoto Hattori , Osamu Kawakami , Takeshi Hori , Genki Mimuro , Toshiyuki Morikawa , Nobuaki Murasaki , Yumi Aoki , Junko Sekihara , Yukihide Iyama , Hitoshi Nakada , Tadayasu Iwata , Toshinori Kichishima , Tomoka Ebitani , Fumiko Numada , Hitoshi Manta , Hirokazu Nakajima , Toru Yamashita , Kaoru Miyahara , Goro Toyoshima , Kazuyoshi Yamada , Ryo Yamamoto , Sunao Ochi

Red crown rot caused by Calonectria ilicicola, a soil-borne fungus, is one of the main soybean diseases in Japan. In field surveys to understand the present status of the disease in Akita, Fukushima, Niigata, Toyama, and Nagano prefectures, survey data included the cultivation history and conditions as well as the disease ratings for each field. The disease was confirmed to occur in all five prefectures, and the percentage of diseased fields ranged from 38.9 to 100%. Generalized linear mixed model analyses using the data from Akita, Fukushima, and Niigata prefectures revealed the explanatory variables conducive to the disease from the cultivation history, cropping system, and field conditions. Four factors significantly affected disease incidence and severity: past disease incidence in field, number of years with continuous soybean cultivation, sowing date, and number of intertillage ridging applications. Analysis of Niigata Prefecture data revealed additional factors affecting the disease: the use of agrochemical-treated seeds and field drainage-related variables. Early implementation of intertillage ridging was associated with greater disease severity, indicating that the disease was affected not only by the number but also by the timing of intertillage ridging application. Careful planning of cultivation and management methods to avoid these risk factors may reduce damage caused by the disease. To our knowledge, this is the first comparative analysis of the incidence and severity of red crown rot and the factors influencing the disease using a comprehensive data set from five Japanese prefectures.

中文翻译:

大豆栽培中Calonectria ilicicola引起的红冠腐烂的影响因素

Calonectria ilicicola造成的红冠腐土生真菌,是日本的主要大豆疾病之一。为了了解该疾病在秋田县,福岛县,新泻县,富山县和长野县的现状,进行了实地调查,调查数据包括耕种的历史和条件以及每个田地的疾病等级。该病已确认在所有五个州都发生,患病地区的百分比为38.9%至100%。使用秋田县,福岛县和新泻县的数据进行的广义线性混合模型分析显示,从耕种历史,耕作制度和田间条件来看,解释性变量有利于该病。有四个因素显着影响疾病的发病率和严重程度:过去的田间疾病发病率,连续大豆种植的年限,播种日期,耕作搭接应用的数量。新泻县的数据分析显示了影响该病的其他因素:使用农药处理的种子和田间排水相关的变量。早稻田间垄沟的实施与疾病的严重程度有关,表明该疾病不仅受到间田垄沟应用的时间的影响,而且还受到间期垄沟应用时间的影响。认真规划种植和管理方法,以避免这些风险因素,可以减少由疾病引起的损害。就我们所知,这是使用来自日本五个县的综合数据集对赤冠腐病的发生率和严重程度以及影响该病的因素进行的首次比较分析。使用农药处理的种子和田间排水的相关变量。早稻田间垄沟的实施与疾病的严重程度有关,这表明该疾病不仅受到间田垄沟应用的时间的影响,而且还受到间期垄沟应用时间的影响。认真规划种植和管理方法,以避免这些风险因素,可以减少由疾病引起的损害。就我们所知,这是使用来自日本五个县的综合数据集对赤冠腐病的发生率和严重程度以及影响该病的因素进行的首次比较分析。使用农药处理的种子和田间排水的相关变量。早稻田间垄沟的实施与疾病的严重程度有关,表明该疾病不仅受到间田垄沟应用的时间的影响,而且还受到间期垄沟应用时间的影响。认真规划种植和管理方法,以避免这些风险因素,可以减少由疾病引起的损害。就我们所知,这是使用来自日本五个县的综合数据集对赤冠腐病的发生率和严重程度以及影响该病的因素进行的首次比较分析。表明该疾病不仅受到间耕垄垄施药时间的影响,而且还受到间垄垄施药时间的影响。认真规划种植和管理方法,以避免这些风险因素,可以减少由疾病引起的损害。据我们所知,这是使用来自日本五个县的综合数据集对红冠腐病的发生率和严重程度以及影响该病的因素进行的首次比较分析。表明该疾病不仅受到间耕垄垄施药时间的影响,而且还受到间垄垄施药时间的影响。认真规划种植和管理方法,以避免这些风险因素,可以减少由疾病引起的损害。据我们所知,这是使用来自日本五个县的综合数据集对红冠腐病的发生率和严重程度以及影响该病的因素进行的首次比较分析。
更新日期:2020-07-03
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