“Achiochi”是日语的音译。它是温带低地水田经常发生的一种水稻生理性病害,而在热带和亚热带水田土壤上很少有报道。据文献记载,“Achiochi”的发病特点如下:在营养生长期植株生长正常或极度繁茂,后期生长则减缓,老叶早死,根系受害并造成子粒减产。日本学者对该病发生的土壤 Achiochi is a transliteration of Japanese. It is a rice physiological disease often occurring in temperate lowland paddy fields, while rarely reported in soils of tropical and subtropical paddy soils. According to the literature, the disease characteristics of “Achiochi” are as follows: normal or extremely vegetative growth during vegetative growth, late growth slowed down, old leaves premature death, root damage and grain yield reduction. Japanese scholars on the incidence of the disease soil