Effect of nematocides on the halide content and burning time of flue-cured tobacco leaf in south Queensland
1961
Colbran, R.C. | Green, H.T.
Five nematocides were studied under field conditions to determine efficacy in controlling the root-knot nematode Meloidogyne javanica (Treub) and influence on the halide content :and burning time of flue-cured leaf of the variety Hicks. DD and EDB gave a high level of nematode control and were consistently superior to "Vapam" and EN18133 (O,O diethyl 0-2 pyrazinyl phosphorothioate). EN28450 (2-allylthio-2-thiazoline) was ineffective. Soil treatment with EDB resulted in a marked increase in the bromine content of the cured leaf. The chloride content of the leaf was increased following soil treatment with non-halogenated as well as halogenated chemicals. The levels were higher in leaf from plots treated with DD and EDB, and in two trials were sufficient to reduce the burning time.
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