International Journal of Agronomy / 2012 / Article / Tab 5

Research Article

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

Table 5

Early season reproductive index and seed cotton yield in a field study at the Delta Research and Extension Center in Stoneville, MS, in 2006 and 2007; data averaged across fields and cultivars.

NematicideEarly season RIxSeed cotton yield (kg/ha)y

No nematicide2.28a2466.4b
Nematicide appliedz1.93b2638.5a

xEarly season RI = Pm/Pi = (midseason reniform nematode count)/(planting reniform nematode count); means followed by the same letter in this column are not significantly different at the 0.10 level based on ANOVA.
ySeed cotton yield taken from the middle two rows of subplots; means followed by the same letter in this column are not significantly different at the 0.05 level based on ANOVA.
zAldicarb applied in furrow at planting (0.84 kg a.i./ha) plus side dress application at pinhead square (1.17 kg a.i./ha).