International Journal of Agronomy / 2012 / Article / Tab 3

Research Article

Cotton (Gossypium hirsutum) Cultivars Exhibiting Tolerance to the Reniform Nematode (Rotylenchulus reniformis)

Table 3

Early season reniform nematode reproductive index (RI) for 13 cultivars in a field study at the Delta Research and Extension Center in Stoneville, MS, in 2006 and 2007; data averaged across fields and nematicide treatments.

CultivarEarly season RIw

Croplan Genetics 3520 B2RF1.69bcx
Deltapine 20B1.82bc
Deltapine 445 BG/RRy2.38abc
Deltapine 449 BG/RR3.27a
Deltapine 455 BG/RR2.34bc
Deltapine 488 BG/RR1.91bc
DES 119z1.92bc
DynaGrow 2520 B2RF2.20bc
Fibermax 960 B2R1.95bc
Phytogen 370 WR1.56c
Phytogen 485 WRF2.14bc
Stoneville 5242 BR2.51ab
Stoneville 5599 BR1.63bc

w Early season RI = Pm/Pi = (midseason reniform nematode count)/(planting reniform nematode count).
xMeans followed by the same letter in the same column are not significant at the 0.05 level based on differences of least squares means.
yControl cultivar with respect to yield.
zTolerant control.