List of Persian walnut diseases

(Wikipedia) - This article is a list of diseases of Persian Walnuts (Juglans regia). List of Persian walnut diseases

This article is a list of diseases of Persian Walnuts (Juglans regia).

Contents

Bacterial diseases Bacterial diseases

Crown gall	Agrobacterium tumefaciens
Deep bark canker	Erwinia rubrifaciens
Shallow bark canker	Erwinia nigrifluens
Walnut blight	Xanthomonas campestris pv. juglandis

Fungal diseases Fungal diseases

Anthracnose	Gnomonia leptostyla Marssonina juglandis
Armillaria root rot	Armillaria mellea
Branch wilt	Hendersonula toruloidea
Cotton root rot	Phymatotrichopsis omnivora = Phymatotrichum omnivorum
Cylindrocarpon dieback	Nectria radicicola Cylindrocarpon destructans = Cylindrocarpon radicicola
Downy leaf spot	Microstroma juglandis
Melanconium dieback	Melanconis carthusiana Melanconium juglandinum
Phytophthora crown and root rot	Phytophthora spp. Phytophthora cactorum Phytophthora cinnamomi Phytophthora citricola Phytophthora citrophthora Phytophthora cryptogea Phytophthora drechsleri Phytophthora megasperma Phytophthora nicotianae = Phytophthora parasitica
Phytophthora trunk and branch canker	Phytophthora cactorum Phytophthora citricola Phytophthora citrophthora

Nematodes, parasitic Nematodes, parasitic

Viral diseases Viral diseases

Blackline	genus Nepovirus, Cherry leaf roll virus (CLRV)
Walnut ring spot	genus Nepovirus, Cherry leaf roll virus (CLRV)

Miscellaneous diseases and disorders 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 canker	Fusarium solani

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