| 摘要 |
The preparation method for wrapping papers (I) of pear culture consists of (1) dying pulp to white to yellow brown with dyes, (2) adding sizing agent, stabilizing agent, binder and 0.1-0.4% of insecticide and fungicide to the dyed pulp, (3) drying to 15-20% water content, (4) treating with paraffin wax or dried fibers to give water repellance and control the light permeability. (I) has 65-80% of light permeation, when soaking in paraffin wax to 15-30% and (I) has 50-60% treated in 5-15% paraffin wax or fiber. (I) can control the temperature and humidity inside wrapping and protect pears from insect and fungi.
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