Control of gibberellin in growing citrus

The citrus bugs occur one generation a year in Chenggu area, and the larvae of different ages spend the winter in the branches of orange trees. The larvae ate into the xylem in late March and began to pupate. The peak period of pupation was in the middle and late April, and the pupal period was about 25 days. Adult Eclosion is in the first ten days of May, and in the middle of May.