TST 11 produced by the tissues of the plant which is thus made toxic to the caterpillars that feed on TST 11 . This allows not to completely eliminate but significantly reduce Bt toxin sprays on cornfields. RR soy is resistant to glyphosate the active principle of a family of socalled total weedkillers thanks to a transgene of bacterial origin. A RR soy field can be easily weeded by spreading a weed killer of the said family to ...

http://healthflyup.com/tst-11/