Reproduction of Meloidogyne enterolobii on selected root-knot nematode resistant sweetpotato (Ipomoea batatas) cultivars
Publié en ligne: 21 juil. 2020
Pages: 1 - 6
Reçu: 20 avr. 2020
© 2020 Janete A. Brito et al., published by Sciendo.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Response of five sweetpotato (Ipomaea batatas) cultivars to inoculation with Meloidogyne enterolobii in this study.
Factor |
Fibrous fresh root weightu (g) |
Gall indexv
|
Egg mass indexv
|
Eggs per egg mass |
Eggs per fibrous fresh root weight |
Eggs per gram fresh rootx
|
RFw
|
Sweetpotato cultivar
t
|
Beauregard |
15.21 bc |
4.65 a |
3.65 b |
475 a |
30,975 c |
2,668 c |
6.20 c |
Covington |
14.99 bc |
4.25 a |
4.45 ab |
490 a |
84,585 b |
5,683 ab |
16.92 b |
Evangeline |
22.70 a |
4.65 a |
4.80 a |
503 a |
150,070 a |
7,161 a |
30.01 a |
Hernandez |
16.35 b |
4.70 a |
4.90 a |
462 a |
113,235 b |
6,979 a |
22.65 b |
Orleans |
11.65 c |
1.95 b |
2.30 c |
475 a |
42,022 c |
3,678 bc |
8.41 c |
Test
|
Test 1 |
15.42 |
4.24 |
4.22 |
504 |
81,325 |
5,444 |
16.27 |
Test 2 |
16.94 |
3.84 |
3.82 |
459 |
87,030 |
5,024 |
17.41 |
F probability cv |
< 0.001 |
< 0.001 |
< 0.001 |
> 0.50 |
< 0.001 |
< 0.001 |
< 0.001 |
F probability test |
0.12 |
0.06 |
0.10 |
> 0.50 |
0.46 |
0.50 |
0.46 |
Tomato |
37.7 |
5 |
5 |
n/ax
|
176,340 |
4,801 |
35.27 |