Table 2 Infection test of Ditylenchus destructor populations on the potato cultivar ‘Helan 15’
Population name | Mean percentage of potatoes with lesions (%) | Disease index* | Final nematode population (Pf) | Reproduction factor (RF) |
|---|---|---|---|---|
PH19-07 | 0 | 0.00 ± 0.00d | 0.00 ± 0.00 | 0.00 ± 0.00 |
PH19-30 | 25 | 3.13 ± 3.13d | 80.00 ± 60.00 | 0.04 ± 0.03 |
Lulong | 100 | 75.00 ± 14.43a | 47,032.50 ± 19,478.87 | 23.52 ± 9.74 |
JT | 100 | 25.00 ± 0.00bc | 1187.00 ± 32.30 | 0.59 ± 0.02 |
BX | 100 | 68.75 ± 11.97a | 11,213.25 ± 5768.64 | 5.61 ± 2.88 |
SD19-1 | 75 | 12.50 ± 7.22 cd | 1295.00 ± 719.72 | 0.65 ± 0.36 |
CX | 0 | 0.00 ± 0.00d | 0.00 ± 0.00 | 0.00 ± 0.00 |
ShaanX18-12 | 25 | 6.25 ± 6.25 cd | 168.75 ± 153.75 | 0.08 ± 0.08 |
NM19-14 | 75 | 18.75 ± 6.25bcd | 7206.25 ± 3225.80 | 3.60 ± 1.61 |
GS18-11 | 0 | 0.00 ± 0.00d | 0.00 ± 0.00 | 0.00 ± 0.00 |
LN18-13 | 100 | 33.33 ± 8.33b | 2481.67 ± 851.69 | 1.24 ± 0.18 |
ShaanX19-2 | 100 | 25.00 ± 0.00bc | 1090.75 ± 2263.67 | 0.56 ± 0.43 |
CK | 0 | 0.00 ± 0.00d | 0.00 ± 0.00 | 0.00 ± 0.00 |