Control of Rice Pests:
24% Duolaimi SC at 15-30ml/667m2 demonstrates effective control against both rice leaf rollers and Chilo suppressalis. The leaf protection efficacy of 24% Duolaimi SC against rice leaf rollers at 20ml/667m2 and 30ml/667m2 was 76.7% and 79.9% respectively at 7 days after application, and 88.8% and 92.8% at 15 days after application. For controlling Chilo suppressalis, 24% Duolaimi SC at 30ml/667m2 effectively reduces damage from striped stem borers, with seedling protection efficacy exceeding 90%.

Control of Noctuid Pests:
Through plot and field trials, 24% Duolaimi SC was found to have outstanding efficacy against beet armyworms on autumn cabbage. At a dosage of 20mL/667m2, the control efficacy reached over 90% within 24 hours after application and continued to increase daily, exceeding 98% by the 7th day. Field trial results showed that 24% Duolaimi SC at 20ml/667m2 provides excellent control of beet armyworms, with efficacy rates of 89% at 2 and 5 days after application, and still above 80% at 11 days after application. Field results indicated that spraying with 24% Duolaimi SC at 4000 times dilution controls beet armyworms effectively, with efficacy rates above 80% at 1 and 7 days after application, peaking at over 90% on the 3rd day after application.

Control of Apple Pests:
In apple pest control, 24% Duolaimi SC is highly effective against both overwintering and first-generation larvae of the apple tortrix. Its treatments at 3000-8000 times dilution achieve control efficacy between 87-99%, with effective field control lasting over 15 days, effectively mitigating pest damage. Particularly, methoxyfenozide effectively kills larvae of all instars within leaf rolls, achieving desirable results even during peak infestation periods when numerous leaf rolls have formed. Under normal pest density conditions, spraying once at the end of the overwintering larval emergence peak and during the first-generation larval damage peak can effectively control annual harm. Considering economic and efficacy factors, a recommended dilution of 5000-6000 times is advisable.

Summary:
24% Duolaimi SC, as a bionic hormone insecticide, promotes abnormal molting in lepidopteran larvae. Larvae cease feeding within 1-2 hours after ingestion, stopping crop damage and triggering abnormal molting responses that lead to dehydration, starvation, and death. It is effective against both older and younger larvae, with a long duration of efficacy. Safe for crops at recommended doses and unlikely to cause phytotoxicity, its high efficiency and environmental friendliness align with modern pesticide requirements and trends.

Danh m?c ngành:	Chemicals/Intermediates/Pesticide Intermediates
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