Killing Spider Mites – Questions to Jorge Cervantes

 
 
I need to know about rotenone and pyrethrum sprays. What the hell is it with the spider mites? They seem to begetting worse. Under the microscope they are starting to look like Bush and Cheney!
Mr. Steven K

Looking at spider mites close up is definitely a scary thing! Avoid weapons of mass destruction! Pick the proper
Rotenone is an extract of roots of several plants including Derris species, Lonchocarpus species, and Tephrosia species. This poison is allon-selective contact insecticide, stomach poison, and slow-acting nerve poison. Rotenone controls of beetles, caterpillars, flies, mosquitoes, thrips, weevils, and beneficial insects. They have to eat it to die. Rotenone does not kill spider mites.
Pyrethrum, a botanical pesticide, is extracted from the flowers of the pyrethrum chrysanthemum, Chrysanth-emum coccineum and C. cinerariifoliu. Pyrethrins— pyrethrins, cinerins, and jasmolins—are the active ingredients in natural pyrethrum and kills insects on contact. Pyrethrum is often combined with rotenone or ryania to ensure broad spectrum effectiveness. Aerosol forms contain synergists. It is abroad-spectrum contact pesticide, that kills aphids, whiteflies, spider mites, and insects including beneficials. It is very effective to control flying insects, but they must receive a killing knockdown dose, or they may revive and buzz off.
Spot spray plants infested with spider mites. Aerosol sprays are most effective on spider mites. The spray is ice-cold when it exits the nozzle and if applied closer than 30 cm it can burn foliage. Aerosol spray contains a synergist, piperonyl butoxide (PB0) or MGK264. Both are toxic to people. Pyrethrum dissipates within a few hours in the presence of air, HID light, and sunlight. 0vercome this limitation by applying just before turning off the lights, the circulation, and vent fans for the night. 0ne manufacturer, Whidmere®, offers encapsulated pyrethrum in aerosol form called Exclude®. As the spray fogs out of the nozzle, a bubble forms around each droplet of pyrethrum mist. The outside coating keeps the pyrethrum intact and extends its life for several days. When a pest touches the bubble, it bursts, releasing the pyrethrum. Liquid and wettable pyrethrum applied with apumptypesprayer isdifficult to apply under leaves where spider mites live.

I need to know about rotenone and pyrethrum sprays. What the hell is it with the spider mites? They seem to begetting worse. Under the microscope they are starting to look like Bush and Cheney!Mr. Steven KLooking at spider mites close up is definitely a scary thing! Avoid weapons of mass destruction! Pick the properRotenone is an extract of roots of several plants including Derris species, Lonchocarpus species, and Tephrosia species. This poison is allon-selective contact insecticide, stomach poison, and slow-acting nerve poison. Rotenone controls of beetles, caterpillars, flies, mosquitoes, thrips, weevils, and beneficial insects. They have to eat it to die. Rotenone does not kill spider mites.Pyrethrum, a botanical pesticide, is extracted from the flowers of the pyrethrum chrysanthemum, Chrysanth-emum coccineum and C. cinerariifoliu. Pyrethrins— pyrethrins, cinerins, and jasmolins—are the active ingredients in natural pyrethrum and kills insects on contact. Pyrethrum is often combined with rotenone or ryania to ensure broad spectrum effectiveness. Aerosol forms contain synergists. It is abroad-spectrum contact pesticide, that kills aphids, whiteflies, spider mites, and insects including beneficials. It is very effective to control flying insects, but they must receive a killing knockdown dose, or they may revive and buzz off.Spot spray plants infested with spider mites. Aerosol sprays are most effective on spider mites. The spray is ice-cold when it exits the nozzle and if applied closer than 30 cm it can burn foliage. Aerosol spray contains a synergist, piperonyl butoxide (PB0) or MGK264. Both are toxic to people. Pyrethrum dissipates within a few hours in the presence of air, HID light, and sunlight. 0vercome this limitation by applying just before turning off the lights, the circulation, and vent fans for the night. 0ne manufacturer, Whidmere®, offers encapsulated pyrethrum in aerosol form called Exclude®. As the spray fogs out of the nozzle, a bubble forms around each droplet of pyrethrum mist. The outside coating keeps the pyrethrum intact and extends its life for several days. When a pest touches the bubble, it bursts, releasing the pyrethrum. Liquid and wettable pyrethrum applied with apumptypesprayer isdifficult to apply under leaves where spider mites live.

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