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National Diagnostic Protocol list

The list of endorsed National Diagnostic Protocols is correct as of March 2025.

An Excel list of endorsed and draft National Diagnostic Protocols is also available:

Endorsed National Diagnostic Protocols
NDP number Scientific name Common name Comment IPPC protocol available Life form
1 Monilinia fructigena Apple brown rot Being revised Fungi
2 Plum pox virus (Potyvirus)  Plum pox virus DP 02: Plum pox virus Virus
3 Scirtothrips perseae Avocado thrips Thysanoptera
4 Echinothrips americanus Poinsettia thrips Thysanoptera
5 Phytophthora ramorum Sudden oak death Being revised DP 23: Phytophthora ramorum Oomycetes
6 Xylella fastidiosa Pierce’s disease Being revised DP 25: Xylella fastidiosa Bacteria
7 Potato spindle tuber viroid (Pospiviroidae) PSTVd Being revised DP 07: Potato spindle tuber viroid Viroid
8 Clavibacter michiganensis subsp. sepedonicus Potato ring rot Bacteria
9 Xanthomonas citri subsp. citri Citrus canker Being revised DP 06: Xanthomonas citri subsp. citri Bacteria
10 Cherry leaf roll virus (Nepovirus) Blackline Virus
11 Cryphonectria parasitica Chestnut blight Fungi
12 Candidatus Phytoplasma prunorum European stone fruit yellows Bacteria
13 Phyllosticta ampelicida (syn. Guignardia bidwellii) Black rot Being revised Fungi
14 Pyricularia oryzae (syn. Magnaporthe grisea) Rice blast Fungi
15 Potato mop top virus (Pomovirus) Potato mop top virus Virus
16 Synchytrium endobioticum Potato wart Fungi
17 Candidatus Phytoplasma pruni X disease Bacteria
18 Candidatus Liberibacter solanacearum  Zebra chip Being revised DP 21: ‘Candidatus Liberibacter solanacearum’ Bacteria
19 Tilletia indica Karnal bunt Being revised DP 04: Tilletia Indica Mitra  Fungi
20 Bactericera cockerelli Tomato potato psyllid Hemiptera
21 Neonectria ditissima European canker Being revised Fungi
22 Leptinotarsa decemlineata Colorado potato beetle Being revised Coleoptera
23 Homalodisca vitripennis Glassy winged sharp shooter Being revised Hemiptera
24 Dendroctonus valens Red turpentine beetle Being revised Coleoptera
25 Candidatus Liberibacter asiaticus  Huanglongbing Being revised DP 31: ‘Candidatus Liberibacter’ spp. on Citrus spp. Bacteria
26 Plenodomus tracheiphilus (syn. Phoma tracheiphila) Mal secco Fungi
27 Liriomyza trifolii American serpentine leafminer DP 16: Genus Liriomyza Diptera
28 Diuraphis noxia Russian wheat aphid Hemiptera
29 Phakopsora euvitis Grapevine leaf rust Being revised Fungi
30 Adoxophyes orana Summer fruit tortrix Lepidoptera
31 Uromyces viciae-fabae (lentil strain) Lentil rust Fungi
32 Endocronartium harknessii Pine gall rust Being revised Fungi
33 Protopulvinaria pyriformis Pyriform scale Hemiptera
34 Pulvinaria iceryi Pulvinaria scale Hemiptera
35 Roesleria subterranea Grape root rot Fungi
36 Fusarium oxysporum f. sp. ciceris Fusarium wilt of chickpea Being revised Fungi
37 Ophiostoma ulmi Dutch elm disease Being revised Fungi
38 Puccinia striiformis f. sp. hordei Barley stripe rust Being revised Fungi
39 Phytoptus avellanae Hazelnut big bud mite Acari
40 Diaporthe helianthi Sunflower stem canker Fungi
41 Mayetiola destructor Hessian fly Diptera
42 Lymantria dispar Asian gypsy moth, gypsy moth complex Lepidoptera
43 Ceratovacuna lanigera  Sugarcane woolly aphid Hemiptera
44 Colletotrichum lentis Lentil anthracnose Fungi
45 Trogoderma granarium  Khapra beetle Being revised DP 03: Trogoderma granarium Everts Coleoptera
46 Grapevine flavescence doree phytoplasma  Flavescence Doree Bacteria
47 Red clover vein mosaic virus Red clover vein mosaic virus Virus
48 Wheat spindle streak mosaic virus  Wheat spindle streak mosaic virus Virus
49 Fusarium oxysporum f. sp. cubense (TR4) Panama disease Fungi
50 Phymatotrichopsis omnivora Texas root rot Fungi
51 Bursaphelenchus xylophilus Pine wood nematode DP10: Bursaphelenchus xylophilus Nematode
52 Potyvirus zeananus Maize dwarf mosaic virus Virus
53 The genus Heterodera Cyst Nematodes Nematode
Endorsed – the protocol has been assessed and endorsed by the Subcommittee on Plant Health Diagnostics as a National Diagnostic Protocol