| 摘要 |
PURPOSE: A frost damage prevention agent for flowers of fruit trees and fruit vegetables is provided to prevent a bud from being frozen by inducing generation of a cold tolerant material. CONSTITUTION: A frost damage prevention agent for flowers of fruit trees and fruit vegetables contains 0.1-25 wt% of glycine betaine, 1-20 wt% of saccharides, 0.1-20 wt% of rare earth resources, 0.5-15 wt% of honey or sugar, and water or one or more water soluble diluents selected among lactose, sodium bicarbonate, and sodium sulfate. The agent additionally contains 5-20 wt% of potassium phosphate monobasic, 0.1-15 % of proline, 1-20 wt% of calcium nitrate, 0.05-10 wt% of boric acid, and 0.05-10 wt% of zinc nitrate. |
