Cotton (Gossypium hirsutum) Cultivars Exhibiting Tolerance to the Reniform Nematode (Rotylenchulus reniformis)
Table 4
Seed cotton yield for cultivars in four fields in a field study at the Delta Research and Extension Center in Stoneville, MS, in 2006 and 2007; data are averaged across nematicide treatments.
Cultivar
Seed cotton yield (kg/ha)w
Field 4
Barn Field
Field 1
Field 12
Croplan Genetics 3520 B2RF
2242.6
abx
1971.1
3052.3
abx
3822.1
abcx
Deltapine 20B
1602.6
cd
1863.4
2803.8
b
3156.6
fg
Deltapine 445 BG/RRy
2015.3
abc
2111.1
3225.2
a
3521.9
cdef
Deltapine 449 BG/RR
2140.9
ab
2149.7
2833.5
b
3492.1
cdef
Deltapine 455 BG/RR
1943.7
bc
1615.2
2960.7
ab
3343.5
efg
Deltapine 488 BG/RR
2103.9
ab
1942.9
2298.8
c
3081.1
g
DES 119z
1686.0
cd
1789.6
2154.6
c
2608.7
h
DynaGrow 2520 B2RF
1960.7
abc
2097.1
3006.7
ab
3540.9
bcde
Fibermax 960 B2R
1438.9
d
1787.5
2391.7
c
3306.7
efg
Phytogen 370 WR
2187.0
ab
2184.4
3084.4
ab
3955.7
a
Phytogen 485 WRF
2147.8
ab
2020.2
3107.4
ab
3917.8
ab
Stoneville 5242 BR
2363.4
a
2194.5
3170.5
a
3776.3
abcd
Stoneville 5599 BR
1337.7
d
1806.6
2983.9
ab
3427.2
defg
wSeed cotton yield taken from the middle two rows of subplots.
xMeans followed by the same letter in the same column are not significantly different at the 0.05 level based on differences of least squares means.
yControl cultivar with respect to yield.
zTolerant control.
