Disease incidence and index caused by <i>Cylindrocladium parasiticum</i> at different P levels in field.

Note: Disease incidence and index was measured as described in Materials and Methods. HP: 80 kg P2O5 ha−1 added as calcium superphosphate, NP: none P fertilizer added. All the data were the mean of four replicates with SE. The different letter after numbers in the same column indicated significantly different at 0.05 (P<0.05).