About HIYAMA HIROYA
About 茨城県園芸研究セ
About SAKAI ICHIRO
About Castanea crenata
About breed
About plant disease
About die-back
About damping off
About training
About fruit
About branch
About color
About stage(period)
About taste
About damage(loss)
About Curculionidae
About plant growth
About pruning(fruit tree)
About tree crown
About exocarp
About seed coat
About breed specificity
About cultivation management
About morphology(form)
About crop yield
About cultivation
About Botryosphaeria dothidea
About Castanea crenata
About Curculio dentipes
About Colletotrichum gloeosporioides
About Endothia parasitica
About Macrophoma castaneicola
About Curculio dentipes
About damage from a pest
About 甘栗
About 鬼皮
About black rot
About 枝の色
About 枝管理
About 枝梢
About 実炭疽病
About tree form
About strength of trees
About harvest
About 渋皮
About 倉方甘栗
About 貯蔵腐敗
About low tree-height cultivation
About Succulent Growth
About species specificity
About 葉形
About leaf color
About Fruit trees
About Crop varieties(=cultivars)
About 品種
About クリ
About 倉