Table 2 Average root weight, severity of root galling and nematode (J2) reproduction in parental lines and RILs infected with Meloidogyne graminicola as assessed in two seasons
From: QTL mapping for resistance to and tolerance for the rice root-knot nematode, Meloidogyne graminicola
Traits | First season | Second season | ||||||
|---|---|---|---|---|---|---|---|---|
Root wt. | Gall rating | J2 per root system | J2 per g of root | Root wt. | Gall rating | J2 per root system | J2 per g of root | |
IR64 | 11.8 | 5.0 | 54,368 | 4620 | 16.1 | 5.0 | 44,012 | 4113 |
IR78877–208-B-1-2 | 15.6 | 3.0 | 4688 | 372 | 13.8 | 3.0 | 3263 | 359 |
F4 RILs | ||||||||
 Resistant | 12.8 | 3.4 | 802 | 66 | 15.4 | 3.5 | 1696 | 114 |
 Partially resistant | 12.9 | 4.3 | 3629 | 309 | 15.3 | 4.1 | 5789 | 400 |
 Susceptible | 15.6 | 4.6 | 21,373 | 1544 | 15.9 | 4.4 | 20,207 | 1358 |
 H (%) | 69 | 68 | 89 | 88 | 65 | 64 | 94 | 84 |