AABDBCAFrom the field study, we can find new challenges. Upper left: Burukina Faso, Lower left: Nepal, right: Nagano, Japan16写真、図写真、図Our laboratory is located at Nobeyama(the altitude 1,351 m) in Nagano. We focus on the use of green manures, e.g., sorghum and hairy vetch, to decrease damage to cabbages caused by clubroot disease. Effect of green manures on soil fertility, and chemical, physical, and biological properties will be also identified. The results of this study can contribute to developing useful methods for protecting cabbages from clubroot disease without the high amount of agrochemicals. In addition, we focus on other study themes as well (please see below). All studies in our lab have the same target, which is to identify the solutions for providing safer agricultural products sustainably. KanakoSUZUKIAssistant Professor, Ph.D.KazuhiroNEMOTOAssistantProfessor,Ph.D.Plant genetic resources, Evaluation and genetic improvement of minor crops, Conservation genetics,Gain amaranths,Seed systemResearch keywords:•Green manure•Soil fertility•Club root•Cabbage•Runner bean•P uptakeIntheworld,therearemanyusefulcropstosolvetheproblemoffoodandnutritionindevelopingcountriesandtoenrichourlife,eventhoughsomearestillminororunderutilizedcrops.Wearefocusingonthesecrops.Geneticimprovementandmolecularanalysisofgrainamaranthsarenowourmajorresearchtopics.FieldworksthroughnationalandinternationalresearcharealsoimportantforourLab.Study theme 1Identification of the effects of green manures to decrease clubroot of cabbage Study theme 2Identification of the effects of the in-organic or organic fertilizer application on cabbage growth and taste Study theme 3Identification of the root function of phosphorus uptake in runner beanTheme 1Genetic improvement and molecular analysis of grain amaranths including under utilized cropsTheme 2Conservation of genetics of local varieties; now we are focusing on Brassicavegetables such as turnip and radish using Shaplotypes.Theme 3Evaluation and characterization of plant genetic resourcesGood growth condition of cabbage root (left) and infected root by clubroot disease (right).Continuous cultivated cabbage plot (left), hairy vetch plot (right back) and sorghum plot (right foreground).Continuous cultivated cabbage showed bad growth status due to infection of clubroot disease.Continuous cultivated cabbages (left), cultivated cabbages after cultivation of hairy vetch (middle) and sorghum (right).Cabbages after green manure were better than continuous one.Grain amaranths are one of our target crops. We have Crevealed their genetic diversity, phylogenetic relationships, molecular analysis of GBSS genes etc.Laboratory of the management for the biological production in the high-cool zoneBio-resource Science DivisionBioresourceScienceDivisionPlant Genetics and Breeding Laboratory
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