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While the Neem tree has been used intensely for centuries wherever it grows, Western interest did not register until the 1920's. Real interest was peaked in 1959 when a German entomologist, Heinrich Schmutterer, noticed that Neem trees were not consumed by locusts during a plague in the Sudan; characteristically, all other vegetation was stripped to the ground. After Schmutterer's report, research on the Neem tree and its uses became a little industry of its own.
Neem is now gaining acceptance
in the West. Neem extracts have been found to be extremely effective
against more than 200 arthropod species including, but not limited
to, the Mediterranean fruit fly, house flies, fleas, head lice,
the Gypsy moth, the Colorado potato beetle, the boll weevil, and
cockroaches. This list is a veritable Who's Who of super-resistant
insects. As the American
National Research Council (NRC) points out, Neem has a complex chemical
makeup, more than twenty compounds identified to date, which makes
developed resistance unlikely. This smacks of 20/20 hindsight since
no problem insects in the Orient, where the Neem tree has grown
for thousands of years, are known to have developed resistance to
it. Neem accomplishes this without committing "ecocide." Mr. Stix,
a writer with the Scientific American
points out that birds and bats regularly
eat the Neem fruits with no ill effects. They must see the dead
insects as a wonderful windfall! He adds that Neem leaves are routinely
added to grain stores in India to keep weevils out, with no effect
to the grain or the people who eat it.
Medical benefits are vastly claimed and there is ongoing research into its benefits. Neem paste is applied to the skins of victims of chicken pox (stops the itching among other benefits) and warts. Several reports document Neem's effect on oral bacteria.
Quietly balancing this very conservative approach is the legendary guru of miracle plants, Noel D. Vietmeyer. Dr. Vietmeyer is a program officer with, and spent 20 years on the Board of Science and Technology for International Development for the NRC. He has "shepherded" the debuts of such plant giants as the jojoba, and amaranth. In the foreword to the NRC's Neem report he insists: "I've never come across a plant with the potential the Neem has." Enough said.
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