. 2021 Sep 30;50(6):695–704. doi: 10.1007/s13313-021-00820-1

Table.1.

Plant-parasitic nematodes detected on turfgrass by Biological Crop Protection in the 15 years from 2006 to 2020 in 435 diagnostic samples from 123 locations in Queensland

Common name	Genus/Family	% locations infested	Nematodes/200 mL soil		Damage threshold^b	% samples > Damage threshold
		% locations infested	Mean ^a	Highest	Damage threshold^b
Spiral	Rotylenchus	49	606	17,250	800	3.4
Spiral	Helicotylenchus	37	229	2,600	800	8.3
Stubby root	Paratrichodorus	63	60	1,750	80	10.6
Ring	Criconematidae	30	81	1,250	300	1.8
Sheath	Hemicycliophora	33	65	960	160	3.4
Lesion	Pratylenchus	29	151	3,275	200	4.8
Root-knot	Meloidogyne	23	106	1,810	800	0.5
Dagger	Xiphinema	25	69	1,810	40	6.7
Stunt	Tylenchorhynchus	4	69	450	400	0.2
Cyst	Heterodera	4	20	64	150	0
Needle	Paralongidorus	3	28	99	20	1.4
Reniform	Rotylenchulus	1	109	175	600	0
Pin	Paratylenchus	0.5	67	94	200	0

^aMean of samples in which the nematode was detected

^bThreshold levels (nematodes/200 mL soil) from Stirling (2008)