Table 1 Morphometrics of Hemicriconemoides rosae isolate HCN from the mustard (present population), rose population (Rathour et al., 2003) and sugarcane population (Khan et al., 2019). All measurements are in µm (except ratio and percentage) and in the form of mean ± standard deviation (range)

n

15

6

32

L

443 ± 25 (376–472)

490 (470–510)

398 (323–486)

a (Length/Diameter at mid-body)

15.3 ± 0.9 (13.6–16.9)

16 (16–17.6)

15.4 (12.2–18.7)

b (Length/Pharynx length)

5.1 ± 0.3 (4.6–5.6)

5.2 (4.9–5.4)

4.8 (3.9–4.9)

c (Length/Tail)

16.4 ± 1.7 (14.1–20)

–

–

c’ (Tail/diameter at anus)

22 ± 1.8 (19.4–25)

–

–

V (anterior to vulval/total body length) × 100

92 ± 1.4 (90–95)

93.2 (92–94.5)

91.5 (89.9–92.7)

M (ratio between the length of prorhabdion and stylet in %)

85.6 ± 2.5 (81.2–91.5)

85.3*

85.6 (82.2–90.4)

EP (Excretory pore to anterior end)

116 ± 5.5 (102–123)

–

–

WEP (Diameter at excretory pore)

28 ± 0.9 (25–29)

–

–

NR (Nerve ring)

71 ± 2.4 (64–74)

–

–

PL (Pharynx length)

87 ± 5.4 (72–94)

102*

84 (71–103)

EBL (oesophageal bulb length)

15.8 ± 2.2 (11.5–18.7)

–

–

EBW (oesophageal bulb width)

12 ± 1.8 (8.8–15)

–

–

Tail

27 ± 2.7 (23–31)

–

–

Diam. at anus

19.8 ± 1.3 (18–23)

–

–

Diam. at mid body

29 ± 2.0 (26–33)

26.5*

25.9 (23.4–29.6)

V’ (Distance from the anterior end to vulva)

409 ± 26 (340–444)

–

–

Stylet

54 ± 2.4 (50–58)

52 (50–55)

55 (52–61)

Stylet Knob height

2.8 ± 0.5 (2.4–4.0)

2.6*

2.7 (2.3–3.8)

Stylet Knob width

5.7 ± 0.7 (4.8–6.9)

6.9* (4.8–6.9)

6.2 (4.8–7.4)

Metenchium length

44 ± 2.3 (40–49)

44.8*

47 (44–51)

Telenchium length

10.3 ± 0.8 (9–11.8)

7.7*

8.0 (5.1–10.8)

R (Total number of body annules)

108 ± 4.1 (102–115)

116*

116 (109–124)

Rst (Annules from anterior extremity to base of stylet)

13.9 ± 2.0 (12–20)

13 (12–14)

16.6 (15–18)

Roes (Annules from anterior extremity to base of oesophagus)

21 ± 0.8 (20–22)

23.5 (21–26)

25.9 (21–30)

Ran (Annules from anus to tail terminus)

6.9 ± 0.6 (6–8)

–

–

Rex (Annules from anterior extremity to excretory pore)

28 ± 2.0 (25–33)

–

28 (22–30)

Rv (Annules from vulva to tail terminus)

9.6 ± 1.5 (8–13)

7.5 (6–9)

7.5 (7–9)

MBL (Median bulb length)

14.7 ± 1.6 (11.5–16.4)

–

–

MBW (Median bulb width)

12.8 ± 1.3 (10.9–15.5)

–

–

Lip Length

5.9 ± 0.2 (5.2–6.6)

5.7*

5.8 (5.0–6.5)

Lip Width

5.1 ± 0.5 (4.3–5.9)

5.1*

5.4 (4.5–6.0)

D % (excretory pore/pharynx length × 100)

134 ± 10.9 (115–163)

–

–

E % (excretory pore/Tail) × 100

430 ± 49 (365–505)

–

–

VL (distance from vulva to terminus)

35 ± 6.1 (23–27)

34.7*

33.7 (28.6–39.5)

VB (body diameter at vulva)

24 ± 1.8 (21–28)

21.6*

18.8 (15.0–21.6)

VL/VB (distance from vulva to terminus/body diameter at vulva)

1.5 ± 0.3 (0.9–2.0)

1.6*

1.8 (1.3–2.2)

Sty%L ( Stylet length/body length × 100)

12.3 ± 1.0 (10.7–14.8)

10.7*

14.0 (12.0–16.2)

First lip diam

8.6 ± 0.5 (8.2–9.9)

8.5*

8.8 (8.0–10.6)

Second lip diam

12.1 ± 0.7 (10.1–14.2)

12.3*

11.7 (10.0–13.3)

First body annulus diam

14.6 ± 0.4 (12.3–15.2)

14.8*

14.2 (12.1–15.8)

Second body annulus diam

16.9 ± 0.9 (14.5–19.9)

17.2*

15.7 (13.5–18.8)

Third body annulus diam

18.1 ± 1.2 (16.2–21.3)

18.9*

17.2 (15.2–21.0)

Annulus width

4.4 ± 0.4 (3.6–5.2)

4.3*

3.4 (2.9–3.8)