Promote pear tree ripening
隐藏域元素占位
Promote pear tree ripening
Application of regulators to promote pear tree ripening
Ethephon
In Hirota (1971), the experiments of "20th century", "early 20th century", "Asahi" and "New century" of sand pear system showed that spraying 10mg/L ethephon 14-21d before harvest can promote fruit hypertrophy , reduce starch content and fruit firmness, increase sugar content, and can be harvested 7 days earlier.Lin Pingtian et al. (1970) also reported that spraying 100-250 mg/L ethephon in the "twentieth century" in late July could ripen 21-28 days earlier.When "Jushui" and "Bayun" pears are ripened with ethephon in production, in order to reduce fruit drop and cracking and ensure good fruit quality, it is advisable to spray them after July 5th when the fruit size has grown to the original size of the variety. Appropriate to apply.If you want "Chrysanthemum water" to be harvested in advance from July 25 to 30, you can spray 100 to 250 mg/L of ethephon on July 10 to 15, which can achieve better results.
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