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The aim was to evaluate the effectiveness of synthetic (E)-2-octenal in managing Leptocorisa chinensis populations in paddy fields.

Leptocorisa chinensis Management in Paddy Fields Employing a Synthetic Form of ( E )‐2‐Octenal, the Major Compound of Its Alarm Pheromone

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The aim was to evaluate the effectiveness of synthetic (E)-2-octenal in managing Leptocorisa chinensis populations in paddy fields.
Conducted outdoor experiments to determine effective concentration of (E)-2-octenal.
Applied a 1% emulsified (E)-2-octenal solution in paddy fields during the milk-ripe stage of rice.
Set up treated and control plots 30 meters apart to compare outcomes.
Plots treated with (E)-2-octenal showed a significant reduction in pecky rice grains caused by L. chinensis.
No significant difference in total rice grain yield between treated and control plots.

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Field trials show synthetic (E)-2-octenal reduces damage from Leptocorisa chinensis in rice, suggesting an effective pest control method.

Yamashita et al. (2026) studied this question.

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