Morphological and morphometrical identification of Meloidogyne populations from various crop production areas in South Africa with emphasis on M. enterolobii Author Rashidifard, Milad Author Fourie, Hendrika Author Daneel, Mieke Stefanie Author Marais, Mariette text Zootaxa 2019 2019-08-22 4658 2 251 274 journal article 25937 10.11646/zootaxa.4658.2.3 6c4ff371-ec38-493c-83b1-6edddccf9f52 1175-5326 3375820 9AA35B64-5307-4438-9C5C-BD01ACA4FFFB

TABLE 9. Morphometrical (in µm) observations (means, standard deviations and ranges) of second-stage juveniles of eight Meloidogyne incognita populations from South Af- rica.

Population number (number of specimens studied)
Characteristic	P3	P6	P25	P26	P32	P33	P34	P36
	(n = 8)	(n = 7)	(n = 8)	(n = 7)	(n = 7)	(n = 8)	(n = 7)	(n = 7)
Body length	369± 15.2	419 ± 6.9	385 ± 21.7	399 ± 16.5	360 ± 17	355 ± 9.2	379 ± 9.6	373 ± 18.1
	(347–393)	(407–427)	(352–417)	(378–419)	(331–377)	(346–371)	(370–396)	(346–398)
a	25 ± 1.2	28 ± 1.4	29 ± 2.5	27 ± 2.3	26 ± 1.8	26 ± 1.3	29 ± 1.6	28 ± 2.7
	(23–27)	(27–30)	(24–36)	(24–31)	(23–28)	(24–28)	(26–31)	(24–33)
b	3 ± 0.2	4 ± 0.2	3 ± 0.2	3 ± 0.3	3 ± 0.2	3 ± 0.5	3 ± 0.3	3 ± 0.2
	(3–4)	(3–4)	(3–4)	(3–4)	(3–4)	(2–4)	(3–4)	(3–4)
c	9 ± 0.7	9 ± 0.8	8 ± 0.7	8 ± 0.5	7 ± 0.5	8 ± 0.5	8 ± 0.6	8 ± 1.6
	(8–10)	(8–10)	(7–9)	(7–9)	(7–8)	(7–9)	(8–9)	(6–10)
Stylet length	13 ± 0.6	12 ± 0.8	13 ± 0.7	13 ± 0.9	13 ± 0.6	13 ± 0.8	13 ± 1.2	13 ± 1.2
	(12–14)	(11–13)	(12–15)	(11–16)	(12–14)	(12–15)	(11–15)	(11–14)
Opening of dorsal gland behind stylet knobs	3 ± 0.8	3 ± 0.4	3 ± 0.4	3 ± 0.4	3 ± 0.4	± 0.6	3 ± 0.3	3 ± 0.4
	(2–5)	(3–4)	(2–4)	(2–4)	(2–4)	(2–4)	(3–4)	(2–4)
Anterior end to median bulb	48 ± 3.2	46 ± 2.1	49 ± 3.5	49 ± 2	43 ± 3.5	41 ± 3.2	44 ± 4.1	50 ± 2.7
	(42–53)	(43–49)	(44–54)	(46–51)	(38–47)	(35–45)	(38–48)	(46–53)
Median bulb length	12 ± 0.6	12 ± 0.6	12 ± 1.5	11 ± 0.9	11 ± 1.5	12 ± 0.7	12 ± 0.7	12 ± 1.7
	(11–13)	(11–13)	(10–14)	(10–12)	(8–13)	(11–13)	(11–13)	(10–14)
Median bulb width	9 ± 0.6	7 ± 0.7	8 ± 0.4	7 ± 0.9	7 ± 0.7	7 ± 0.5	7 ± 0.3	8 ± 0.7
	(8–10)	(6–8)	(7–8)	(6–9)	(6–8)	(6–8)	(7–8)	(7–10)
Anterior end to excretory pore	81 ± 7.2	77 ± 1.0	76 ± 5.2	74 ± 4.5	72 ± 4.6	68 ± 4.2	74 ± 5.8	80 ± 7.4
	(70–87)	(76–79)	(71–85)	(67–81)	(64–78)	(63–72)	(64–79)	(71–91)
Anterior end to nerve ring	65 ± 3.1	61 ± 2.2	65 ± 2.4	64 ± 3.3	59 ± 6.2	57 ± 3.6	60 ± 4.2	67 ± 3.7
	(61–70)	(59–64)	(61–69)	(59–69)	(49–67)	(53–62)	(54–64)	(60–70)
Basal bulb width	5 ± 0.4	6 ± 0.6	5 ± 0.7	6 ± 0.5	6 ± 0.5	6 ± 0.6	6 ± 0.8	6 ± 0.4
	(5–6)	(5–6)	(4–6)	(6–7)	(5–6)	(5–7)	(5–7)	(5–6)
Pharynx	109 ± 3	109 ± 4.1	112 ± 4.8	117 ± 9.6	106 ± 5.9	113 ± 18.6	115 ± 9.9	120± 7.8
	(104–112)	(101–113)	(105–117)	(103–132)	(100–117)	(90–145)	(98–129)	(108–130)
Maximum body diameter	15 ± 0.3	15 ± 0.7	13 ± 0.8	15 ± 0.8	14 ± 0.4	14 ± 0.5	13 ± 0.6	14 ± 1.4
	(14–15)	(14–16)	(13–15)	(13–16)	(13–14)	(13–14)	(12–14)	(12–16)
Tail length	39 ± 3.7	47 ± 4.2	48 ± 4.3	52 ± 2.6	48 ± 3.6	44 ± 2.7	47 ± 2.4	51 ± 9.1
	(35–46)	(42–53)	(42–52)	(48–55)	(42–54)	(40–48)	(44–50)	(41–61)