Abstract
A TOPOGRAPHICAL chemical test for germination was devised by Lakon1 using sodium biselenite, which, on account of its toxicity, he rejected in favour of the tetrazolium salts2. Later, he evolved a technique for maize3 with 2,3,5-triphenyl tetrazolium chloride, which was used in Germany during the War4. As information about other cereals was inadequate, a preliminary assessment of this compound as a germination indicator has now been made.
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References
- 1.
Lakon, G., Ber. deut. bot. Ges., 57, 191 (1939).
- 2.
Lakon, G., Ber. deut. bot. Ges., 60, 299 (1942).
- 3.
Lakon, G., Ber. deut. bot. Ges., 60, 434 (1942).
- 4.
C.I.O.S. Report, Item 24, No. XXVI–73.
- 5.
Kuhn and Jerchel, Ber. deut. chem. Ges., 74B, 941.
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Affiliations
Research Laboratories, May and Baker, Ltd., Dagenham.
- H. J. COTTRELL
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