ATODLEN 1Plâu planhigion na chaniateir dod â hwy i Gymru na’u lledaenu o fewn Cymru

RHAN BPlâu planhigion y gwyddys eu bod yn bresennol yn yr Undeb Ewropeaidd

Pryfed, gwiddon a nematodau

1

Bemisia tabaci Genn. (poblogaethau Ewropeaidd)

2

Bursaphelenchus xylophilus (Steiner a Bührer) Nickle et al.

3

Dryocosmus kuriphilus Yasumatsu

4

Globodera pallida (Stone) Behrens

5

Globodera rostochiensis (Wollenweber) Behrens

6

Leptinotarsa decemlineata Say

7

Meloidogyne chitwoodi Golden et al. (pob poblogaeth)

8

Meloidogyne fallax Karssen

9

Opogona sacchari (Bojer)

10

Popillia japonica Newman

11

Rhizoecus hibisci Kawai a Takagi

12

Spodoptera littoralis (Boisduval)

13

Thaumetopoea processionea L

14

Trioza erytreae Del Guercio

Bacteria

1

Clavibacter michiganensis (Smith) Davis et al. ssp. sepedonicus (Spieckermann a Kotthoff) Davis et al.

2

Ralstonia solanacearum (Smith) Yabuuchi et al.

3

Xylella fastidiosa (Wells et al.)

Ffyngau

1

Chalara fraxinea T. Kowalski, gan gynnwys ei deleomorff Hymenoscyphus pseudoalbidus

2

Melampsora medusae Thümen

3

Synchytrium endobioticum (Schilbersky) Percival

Firysau ac organeddau sy’n debyg i firysau

1

Mycoplasm ymlediad afalau

2

Mycoplasma crychni’r dail clorotig bricyll

3

Candidatus Phytoplasma ulmi

4

Mycoplasm dirywiad gellyg