Meloidogyne minor

Zhao, Zeng Qi, Ho, Wellcome, Griffin, Ruth, Surrey, Michael, Taylor, Robert, Aalders, Lee T., Bell, Nigel L., Xu, Yu Mei & Alexander, Brett J. R., 2017, First record of the root knot nematode, Meloidogyne minor in New Zealand with description, sequencing information and key to known species of Meloidogyne in New Zealand, Zootaxa 4231 (2), pp. 203-218 : 205

Meloidogyne minor

( Figs 1–6 )

MEASUREMENTS

See Table 1 .

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Figures

FIGURE 1. Meloidogyne minor. A: Juvenile; B: Anterior of male; C: Anterior head end of female; D – H: Female; I: Posterior end of male; J – L: Tails of Juvenile (lateral). (Scale bars: A – I = 50 µm; J – L = 10 µm)

FIGURE 2. Light microscope photographs of Meloidogyne minor. Female. A – D: Perineal patterns (phasmids arrowed). (Scale bars: A – D = 10 µm)

FIGURE 3. Scanning electron microscope photographs of Meloidogyne minor. Female. A: Body; B: Neck region; C: Anterior end and excretory pore; D: Perineal pattern. (Scale bars: A = 50 µm; B, D = 20 µm; C = 2 µm)

FIGURE 4. Light microscope photographs of Meloidogyne minor. Male. A – B: Anterior head end; C: Lateral incisures; D: Posterior end and Spicule; E: Phasmid (arrowed). (Scale bars: A – D = 10 µm)

FIGURE 5. Scanning electron microscope photographs of Meloidogyne minor. Male. A – B: Anterior head end; C: Excretory pore; D – F: lateral lines, Posterior end and spicule. (Scale bars: A, B = 2 µm; C – F = 5 µm)

FIGURE 6. Light microscope photographs of Meloidogyne minor. Juvenile. A: Body anterior; B – C: Tail with lipid dot marks (arrowed); D: Tail with body annules. (Scale bars: A – D = 10 µm)

Tables

TABLE 1. Morphometrics of adult and second stage juveniles (J 2) of Meloidogyne minor isolated from New Zealand. Measurements are in µm and in the form: mean ± SD (range).

Character	Female	Male	J2
n	1 1	1 1	1 3
L	4 1 3±7 0 (332-534)	1219±271 (818-1689)	377±8.0 (370-390)
a	1.6±0.2 (1.4-1.9)	29.8±6.7 (19.2-37.7)	22.8±3.4 (17.7-28.7)
b		18.1±4.0 (14.0-22.0)	6.5±0.2 (6.1-6.8)
c	-	136.5±11.7 (121.1-146.3)	6.9±0.4 (6.1-7.8)
c’	-	-	4.8±5.5 (3.7-5.4)
T	-	5 8-6 0	-
Greatest body diam.	258±47 (199-363)	42±11 (25-52)	17±3 (13-22)
Body diam. at stylet knobs	-	17.3±3.1 (15.3-20.8)	-
Body diam. at excretory pore	-	42.0±38 (37.6-44.9)	-
Body diam. at anus	-	22.4±2.7 (22.5-26.4)	11.3±1.5 (9.3-13.5)
Head region height	-	4.3±1.0 (3.4-6.1)	2.6±0.4 (2.0-3.2)
Head region diam.	-	10.7±1.2 (9.1-12.3)	5.8±0.4 (5.2-6.1)
Neck length	104.9±23.5 (80.5-138.8)	-	-
Neck diam.	62.9±8.7 (51.3-63.9)	-	-