サトウキビ畑に発生したクロイワニイニイについて
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概要
- 論文の詳細を見る
The incidence of Platypleura kuroiwae MATSUMURA, which originally ingabited the forests and bushes of the northern Ryukyus, has increased in the sugarcane fields of some areas of the main island of Okinawa and Okinoerabu-island since 1973,The density of nymphs per sugarcane stool sometimes exceeded 100 resulting in the decrease of the number of newly sprouted stalks. Adults laid eggs only on dead sugarcane leaves, and when many dead leaves remained in the sugarcane field the insect was able to repeat generations within the field. It is suggested that the density of the cicada could be reduced below the economic injury level by removing dead leaves along with regular ploughing of the sugarcane fields.
- 日本応用動物昆虫学会の論文
- 1982-02-25
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- サトウキビ畑に発生したクロイワニイニイについて