The root is shortly fusiform in shape with sulcate. 3.Okinawa No.100 is an early matured and wet tolerant variety, but it is not tolerant to dry condition and cold weather.

• 3.；冲绳100号为早熟品种，耐湿而不耐旱，耐寒性较弱，不宜晚植，对于春作生育期间之高温多雨气候，反应不敏感，极适于春季栽培。