With 8 years old Shixia longan trees as materials and with the treatment of spraying clear water as CK, 0.

以8年生石硖龙眼树为材料，并以清水处理为对照，在果实成熟期叶面喷施0。

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[Method] with 8 years old Shixia longan trees as materials and with the treatment of spraying clear water as CK, 0.

[方法]以8年生石硖龙眼树为材料，并以清水处理为对照，在果实成熟期叶面喷施0。

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The longan variety Shixia and the spring shoot, late autumn shoot and the pedicel were more serious injured by the pest.

其对龙眼石硖品种及春梢、花穗、二次秋梢蛀害较严重。

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