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Effects of damage of cotton squares and flowers on boll formation caused by Pectinophora gossypiella

Effects of damage of cotton squares and flowers on boll formation caused by Pectinophora gossypiella

Insect Knowledge 24(1): 19-21

The effect of the gelechiid Pectinophora gossypiella on cotton boll formation was studied in Jiangsu, China, in 1982-83. Cotton bolls formed from flowers infested by the 1st generation of the pest in mid-late July developed normally. The number of infested flowers (3-16%) was insignificant compared with bolls shed (55-60%).

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