CAS No.: 131929-60-7 Insecticide Spinosad D

Specification:

Spinosyn A does not appear to interact directly with known insecticidal-relevant target sites, but rather acts via a novel mechanism. Spinosyn A resembles a GABA antagonist and is comparable to the effect of avermectin on insect neurons. Spinosyn A is highly active against neonate larvae of the tobacco budworm, Heliothis virescens, and is slightly more biologically active than Spinosyn D. In general spinosyns possessing a methyl group at C6 (Spinosyn D-related analogs) tend to be more active and less affected by changes in the rest of the molecule. Spinosyn A is slow to penetrate to the internal fluids of larvae; it is also poorly metabolized once it enters the insect. The apparent lack of Spinosyn A metabolism may contribute to its high level of activity, and may compensate for the slow rate of penetration

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