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Reproductive factor (Rf) and gall ratings of Meloidogyne arenaria, M. enterolobii, M. floridensis, M. hapla, M. incognita, and M. javanica on yellow and purple nutsedges, coffee senna, and a known susceptible host ‘AgriSet 334’ tomato in two trials of a greenhouse experiment 84 days after plants were inoculated with 5,000 eggs and second–stage juveniles.
Nematode sp.
Y. nutsedge
P. nutsedge
C. senna
Tomato
Y. nutsedge
P. nutsedge
C. senna
Tomato
Rf
Gall index (0-5)
Trial 1
M. arenaria
2.82 c BC1
4.76 b A
0.00 d B
7.75 a A
0.00 b B
0.00 b A
0.00 b C
5.00 a A
M. enterolobii
3.93 b B
1.47 c B
1.89 c A
6.88 a A
0.00 b B
0.00 b A
4.60 a A
5.00 a A
M. floridensis
5.27 ab A
3.69 b A
0.00 c B
6.66 a A
0.00 b B
0.00 b A
0.00 b C
5.00 a A
M. hapla
–
1.57 b B
0.00 c B
2.90 a B
–
0.00 b A
0.00 b C
5.00 a A
M. incognita
2.40 b C
1.61 b B
0.08 c B
6.73 a A
0.00 c B
0.00 c A
4.00 b B
5.00 a A
M. javanica
2.11 b C
1.72 b B
0.00 c B
8.24 a A
3.00 b A
0.00 c A
0.00 c C
5.00 a A
Trial 2
M. arenaria
3.10 c C
6.75 b A
0.00 d B
49.30 a A
0.00 b B
0.00 b A
0.00 b C
5.00 a A
M. enterolobii
5.95 b B
1.83 c B
1.77 c A
24.20 a C
0.00 c B
0.00 c A
4.40 b A
5.00 a A
M. floridensis
8.93 b A
6.06 b A
0.00 c B
35.99 a B
0.00 b B
0.00 b A
0.00 b C
5.00 a A
M. hapla
6.83 a AB
1.59 b B
0.00 b B
7.80 a E
0.80 b B
0.00 c A
0.00 c C
5.00 a A
M. incognita
5.46 b B
1.44 c B
0.07 c B
15.45 a D
0.00 c B
0.00 c A
3.00 b B
5.00 a A
M. javanica
8.97 b A
2.28 c B
0.00 c B
32.05 a B
1.80 b A
0.00 c A
0.00 c C
5.00 a A
Number of Belonolaimus longicaudatus extracted from soil collected from pots containing yellow nutsedge and purple nutsedge, and the known susceptible host ‘FX-313’ St. Augustinegrass, and the reproductive factor (Rf) in two trials of a greenhouse experiment 180 days after being inoculated with 120 mixed-life stages of B. longicaudatus per pot.
Trial 1a
Trial 2
Host
Nematodes/pot
Rf
Nematodes/pot
Rf
Yellow nutsedge
21ab
0.16a
228a
1.90a
Purple nutsedge
23a
0.19a
375a
3.12a
St. Augustinegrass
25a
0.21a
389a
3.24a
Meloidogyne graminis second-stage juveniles (J2) and males per gram of root, per gram of tuber, and reproductive factor (Rf) on yellow nutsedge and purple nutsedge, and the susceptible host ‘Tifway’ bermudagrass in a greenhouse experiment 150 days after plants were inoculated with 4,000 J2.