About MASUDA T
About NIAR, Ibaraki
About YOSHIOKA T
About NIAR, Ibaraki
About INOUE K
About Tottori Horticultural Experiment Station, Tottori
About MURATA K
About Tottori Horticultural Experiment Station, Tottori
About KITAGAWA K
About Tottori Horticultural Experiment Station, Tottori
About TABIRA H
About Tottori Horticultural Experiment Station, Tottori
About YOSHIDA A
About Tottori Horticultural Experiment Station, Tottori
About KOTOBUKI K
About NIAR, Ibaraki
About SANADA T
About NIAR, Ibaraki
About 園芸学会雑誌
About Pyrus pyrifolia
About Japanese pear
About Fruit trees
About Influence on plants
About Plant diseases caused by fungi
About Crop breeding
About ニホンナシ
About おさ
About ガンマ線
About ナシ
About 黒
About 耐病性
About 突然変異体