カメムシ類の薬剤による防除効果
1981 年 1981 巻 32 号 p. 10-11
詳細
1981 年 1981 巻 32 号 p. 10-11
Rice bugs were scarcely found 1 day after dusting in the paddy field. Though the bugs were found on ears again 7 days after dusting, occurrence of pecky rice was controlled by dusting twice on the 7th and the 16th day after heading time.
