Pollen, the* fertilising or male element in plant production, has been the object of studies by S. Nohara, reported in the Japanese Journal of Botany. Mr Nohara used- pollen from several species cf willow, subjecting it to various conditions, and determined "how long it could - be kept and still have power to germinate. Kept in a. dry, cool, dark place, pollen was still alive after seventy days. Temperatures as.low as 4 degrees below zero. Fahrenheit bad no effect on it in eight hours, Chloroform vapour terminated the germinating power of pollen in four or but at 98 degrees above zero it died, five hours, and ether vapour in twenty hours. It was found possible to induce the pollen to': germinate by placing it in sugar solutions, of a strength from 2 tot o per cent.
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Hawera Star, Volume XLVIII, 27 September 1924, Page 15
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299Page 15 Advertisements Column 4 Hawera Star, Volume XLVIII, 27 September 1924, Page 15
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