Chlorfenapyr: It is a new type of pyrrole compound. It acts on the mitochondria of cells in insects and works through multifunctional oxidases in insects, mainly inhibiting the transformation of enzymes.
Indoxacarb: It is a highly effective oxadiazine insecticide. It blocks sodium ion channels in insect nerve cells, causing nerve cells to lose function. This causes the pests to lose movement, become unable to eat, become paralyzed and ultimately die.
Lufenuron: The latest generation to replace urea insecticides. It is a benzoyl urea insecticide that kills pests by acting on insect larvae and preventing the peeling process.
Emamectin Benzoate: Emamectin Benzoate is a new type of highly efficient semi-synthetic antibiotic pesticide synthesized from the fermentation product avermectin B1. It has been used in China for a long time and is also a common pesticide product at present.
1. Comparison of insecticide methods
Chlorfenapyr: It has stomach poisoning and contact killing effects. It has strong permeability on plant leaves and has certain systemic effects. It does not kill eggs.
Indoxacarb: It has stomach poisoning and contact killing effects, no systemic effects, and no ovicide.
Lufenuron: It has stomach poisoning and contact killing effects, no systemic absorption, and powerful egg killing effect.
Emamectin Benzoate: It is mainly gastric poison and also has contact killing effect. Its insecticidal mechanism is to hinder the motor nerves of pests.
All five are mainly stomach poisoning and contact-killing. The killing effect will be greatly improved by adding penetrants/expanders (pesticide auxiliaries) when applying pesticides.
2. Comparison of insecticidal spectrum
Chlorfenapyr: has excellent control effect against boring, sucking and chewing pests and mites, especially the resistant pests Diamondback moth, Spodoptera exigua, Spodoptera litura, leaf roller, American spotted leafminer, and pod borer. , thrips, red spider mites, etc. The effect is remarkable;
Indoxacarb: Mainly used to control lepidopteran pests such as beet armyworm, diamondback moth, cabbage caterpillar, Spodoptera litura, cotton bollworm, tobacco caterpillar, leaf roller and other lepidopteran pests.
Lufenuron: Mainly used to control pests such as leaf rollers, diamondback moths, cabbage caterpillars, exigua exigua, Spodoptera litura, whiteflies, thrips, rust ticks and other pests. It is particularly effective in controlling rice leaf rollers.
Emamectin Benzoate: It is extremely active against lepidopteran insect larvae and many other pests and mites. It has both stomach poisoning and contact killing effects. For Lepidoptera armyworm, potato tuber moth, beet armyworm, codling moth, peach heartworm, rice borer, tripartite borer, cabbage caterpillar, European corn borer, melon leaf roller, melon silk borer, melon borer Both borers and tobacco caterpillars have good control effects. Especially effective for Lepidoptera and Diptera.
Broad spectrum insecticide: Emamectin Benzoate>Chlorfenapyr>Lufenuron>Indoxacarb
3. Comparison of dead insect speeds
Chlorfenapyr: 1 hour after spraying, pest activity weakens, spots appear, color changes, activity stops, coma, paralysis, and eventually death, reaching the peak of dead pests in 24 hours.
Indoxacarb: Indoxacarb: Insects stop feeding within 0-4 hours and are immediately paralyzed. The insect’s coordination ability will decrease (which may cause the larvae to fall from the crop), and they usually die within 1-3 days after treatment.
Lufenuron: After the pests come into contact with the pesticide and feed on the leaves containing the pesticide, their mouths will be anesthetized within 2 hours and stop feeding, thereby stopping harming the crops. The peak of dead insects will be reached in 3-5 days.
Emamectin Benzoate: The pests become irreversibly paralyzed, stop eating, and die after 2-4 days. The killing speed is slow.
Insecticide rate: Indoxacarb＞Lufenuron＞Emamectin Benzoate
4. Comparison of validity period
Chlorfenapyr: Does not kill eggs, but has outstanding control effect on older insects. The control time is about 7-10 days.
Indoxacarb: Does not kill eggs, but kills both large and small lepidopteran pests. The control effect is about 12-15 days.
Lufenuron: It has a strong egg-killing effect and the insect control time is relatively long, up to 25 days.
Emamectin Benzoate: Long-lasting effect on pests, 10-15 days, and mites, 15-25 days.
Duration of validity: Emamectin Benzoate＞Lufenuron＞Indoxacarb＞Chlorfenapyr
Post time: Dec-04-2023
