List of Persian walnut diseases
Appearance
(Redirected from List of English walnut diseases)
This article is a list of diseases of Persian Walnuts (Juglans regia).
Bacterial diseases
[edit]Bacterial diseases | |
---|---|
Crown gall | Agrobacterium tumefaciens |
Deep bark canker | Erwinia rubrifaciens |
Shallow bark canker | Erwinia (now Brenneria) nigrifluens |
Walnut blight | Xanthomonas campestris pv. juglandis |
Fungal diseases
[edit]Fungal diseases | |
---|---|
Anthracnose |
Gnomonia leptostyla |
Armillaria root rot | Armillaria mellea |
Branch wilt | Hendersonula toruloidea |
Cotton root rot | |
Cylindrocarpon dieback |
Nectria radicicola |
Downy leaf spot | Microstroma juglandis |
Melanconium dieback |
Melanconis carthusiana |
Phytophthora crown and root rot |
Phytophthora spp. |
Phytophthora trunk and branch canker |
Phytophthora cactorum |
Nematodes, parasitic
[edit]Nematodes, parasitic | |
---|---|
Pin nematode | Paratylenchus spp. |
Ring nematode | Mesocriconema xenoplax |
Root lesion nematode | Pratylenchus vulnus |
Root knot nematode | Meloidogyne spp. |
Viral diseases
[edit]Viral diseases | |
---|---|
Blackline | genus Nepovirus, Cherry leaf roll virus (CLRV) |
Walnut ring spot | genus Nepovirus, Cherry leaf roll virus (CLRV) |
Miscellaneous diseases and disorders
[edit]Miscellaneous diseases and disorders | |
---|---|
Alternaria leaf spot | Alternaria alternata |
Apoplexy | Unknown |
Ascochyta ring spot | Ascochyta juglandis |
Mesophyll collapse | High temperature and low humidity |
Oilless nuts | Unknown |
Pistillate flower abscission | Excess pollen |
Stem/trunk canker |
Fusarium solani |
References
[edit]- ^ Mazzaglia, A. "Bark Cankers on English Walnut: An Emerging Disease". Acta Horticulturae. International Society for Horticultural Science. Archived from the original on 2019-07-09.