Sowing times | Stem borer (%) | Stem rot by bacteria (%) | Root rot by fungi (%) |
March | 16.6 ab | 17.1 a | 12.7 a |
April | 20.8 a | 13.5 abc | 10.5 ab |
May | 14.8 bc | 14.3 ab | 9.6 b |
June | 15.8 ab | 11.6 bcd | 9.1 b |
July | 10.0 cd | 8.7 cd | 8.3 bc |
August | 7.4 d | 6.7 d | 6.3 c |
P | <0.01 | 0.01 | <0.01 |