Skip to main content
Bulletin of the National Research Centre

Table 2 Infestation percentage of pink bollworm (P. gossypiella), spiny bollworm (E. insulana) and cotton planting date

From: Relationship between cotton planting date and two bollworms associated with their natural enemies

Planting date

No. of infested bolls/100 bolls

Pectinophora gossypiella percentage (%)

Earias insulana percentage (%)

23rd of March

19.00 a

2.11 b

1.60 b

17th of April

18.00 a

3.50 a

2.79 a

6th of May

14.00 b

2.33 b

1.67 b

LSD0.05

1.13

0.48

0.37

  1. L.S.D0.05 least significant difference at 0.05 level of probability; means accompanied by the same letter in the same column are not significantly different at 0.05 level of probability
Back to article page