Supercooling strawberry plants inoculated with ice-nucleation-active bacteria and treated with Frostgard
1993
Anderson, J.A. | Whitworth, J.
Frostgard did not effectively promote the supercooling of flowering 'Arking' strawberry (Fragaria X ananassa Duch.) plants in the presence or absence of ice-nucleation active bacteria when applied as a spray in laboratory experiments. Frostgard effectively promoted supercooling and reduced the ice propagation rate of aqueous solutions. Detached leaves infiltrated with Frostgard exhibited a negative linear relationship between freezing temperature and Frostgard concentrations from 0% to 20% (by volume). Leaves infiltrated with 20% Frostgard supercooled 1.7C lower than those infiltrated with distilled water. Ice propagation barriers in strawberry plants were observed. Individual leaves froze independently, and a thermal ice propagation barrier sometimes as observed at the crown.
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