Ant-hostile greenhouse
be carefull with rosemary oil it WILL burn your plants
Jim Madco Pest-a-Side "Larry Dighera" wrote in message ... Thank you for your report. On 25 Dec 2002 13:11:45 -0700, (Aaron Hicks) (Aaron Hicks) wrote in Message ID : ANOTHER interesting pesticide I have discovered is Mycotech's BotaniGard. The product is a biological pesticide, consisting of Beauveria bassiana strain GHA- a fungus. It is mixed with water, and sprayed on the plants. I have been using it to control greenhouse whitefly which, as anybody who works with Solanaceae can attest, is truly one of the most miserable of pests. With a 42-day life cycle, getting them all is next to impossible. However, the BotaniGard can be applied any time of day, and has a good residual activity. Contact is essential; the bugs must come into contact with the spores you have sprayed on the plants. Once infected, the bugs take 3-7 days to die. It takes 7-10 days to see appreciable reduction in the number of pests. It has been shown to be effective against whitefly, aphids, thrips, psyllids, weevils, and mealybugs. Since scale is related to mealybug, I suspect this product is effective against scale, but it is NOT labeled for it. It IS listed for use with orchids. The application rate is 1/2 to 2 pounds per 5,000 to 20,000 square feet (!). See also: http://www.mycotech.com/horticulture...2wplabel.shtml It's a little pricey. I buy it from a hydroponics store locally for $8 per ounce; an ounce makes 1-2 gallons (it's supposed to be 1 gallon, but stretching it isn't a problem- you can't form resistance to fungi quite the same way as chemical pesticides). Probably much cheaper when you buy it by the pound. Cheers, -AJHicks Chandler, AZ Have you looked at Hexcide (active ingredient: Rosemary oil): http://www.biconet.com/botanicals/hexacide.html It seems to be effective on a wider range of insects. |
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