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PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND


 Forestry diseases in New Zealand




Acacia rusts, Uromycladium spp.

Agrocybe parasitica, a native heart rot fungus of hardwoods

Allantophomopsis pseudotsugae Syn: Phomopsis pseudotsugae; Phacidiopycnis pseudotsugae; Phomopsis strobi

Apiognomonia veneta, plane anthracnose

Armillaria root disease

Aulographina eucalypti, a leaf-spot disease of Eucalyptus in New Zealand

Bacterial leaf spot and canker caused by Pseudomonas syringae pv. syringae

Bacterial stem canker caused by Pseudomonas syringae pv. syringae

Barron Road Syndrome, a disease of ash eucalypts

Black stain root disease caused by Leptographium spp.

Boron deficiency

Botryosphaeria dothidea, flagging of giant redwood

Cercospora leaf-spot disease of Eucalyptus now known as pseudocercospora leaf spots of Eucalyptus

Coryneum cardinale Syn: Seiridium cardinale cypress canker

Coltricia schweinitzii (syn: Phaeolus schweinitzii), a wood decay fungus on radiata pine

Cyclaneusma minus Syn: Naemacyclus minor; Cyclaneusma niveum; Naemacyclus niveus cyclaneusma needle-cast of pines

Cyclaneusma needle-cast of pines Cyclaneusma minus Syn: Naemacyclus minor; Cyclaneusma niveum; Naemacyclus niveus

Cypress canker, Seiridium cupressi and Seiridium cardinale

Cytospora eucalypticola

Cyttaria galls

Diplodia leader dieback, crown wilt, and whorl canker

Diplodia pinea Syn Sphaeropsis sapinea diplodia leader dieback, diplodia crown wilt, and diplodia whorl canker

Dothistroma needle blight Dothistroma septosporum previously known in New Zealand as Dothistroma pini

Dothistroma septosporum previously known in New Zealand as Dothistroma pini dothistroma needle blight

Dothistroma pini now known in New Zealand as Dothistroma septosporum dothistroma needle blight

Dutch elm disease, Ophiostoma novo-ulmi

Elm leaf spot, Phloeospora ulmi

Flagging of giant redwood caused by Botryosphaeria dothidea

Fusarium spp.

Gloeopeniophorella sacrata, Peniophora root and stem canker

Guava rust, Puccinia psidii (Not present in New Zealand)

Hainesia lythri, a fungal disease of Eucalyptus seedlings


Hendersonia leaf spots of Eucalyptus now known as Sonderhenia spp., leaf-spot diseases of Eucalyptus

Hysterographium fraxini

Junghuhnia vincta Syn: Poria vincta; Rigidoporus vinctus junghuhnia root disease

Kabatina thujae

Kirramyces eucalypti Syn: Septoria pulcherrima; Phaeophleospora eucalypti Septoria leaf blight of Eucalyptus

Leafspots, Eucalyptus spp.

Lepteutypa podocarpi, a fungus associated with dieback of totara

Leptographium in radiata pine


Leptographium root disease, previously known as verticicladiella root disease

Lophodermium spp.

Marssonina brunnea, poplar anthracnose

Marssonina castagnei, poplar anthracnose

'Measles' of eucalyptus

Melampsora leaf rust

Meria laricis, needle cast fungus of larch

Mycosphaerella spp., leaf-spot diseases of Eucalyptus in New Zealand

Microsphaera alphitoides, oak powdery mildew


Microthyrium eucalypti now known as Phaeothyriolum microthyriodes, leaf-spot disease of Eucalyptus

Mundulla yellows (not present in New Zealand)

Nectria flute canker Neonectria fuckeliana

Needle cast of larch, Meria laricis

Needle diseases of radiata pine (Cyclaneusma needle cast, Dothistroma needle blight and physiological needle blight)

Neonectria fuckeliana nectria flute canker

New Zealand white root rot, Rosellinia aff. necatrix

Nursery diseases

Oak powdery mildew, Microsphaera alphitoides

Ophiostoma novo-ulmi, Dutch Elm Disease

Pachysacca pusilla

Peniophora root and stem canker (Causal organism
Gloeopeniophorella sacrata)


Phaeoacremonium rubrigenum

Phaeocryptopus gaeumannii, Swiss needle cast disease

Phaeolus schweinitzii, wood decay fungus on radiata pine (synonym: Coltricia schweinitzii)

Phaeophleospora eucalypti Syn: Kirramyces eucalypti, Septoria pulcherrima Septoria leaf blight of Eucalyptus

Phaeothyriolum microthyriodes, leaf-spot disease of Eucalyptus previously known as Microthyrium eucalypti

Phloeospora ulmi, elm leaf spot

Phomopsis dieback of cypresses

Phomopsis juniperovora

Phomopsis pseudotsugae Syn: Allantophomopsis pseudotsugae; Phacidiopycnis pseudotsugae; Phomopsis strobi

Physiological needle blight of radiata pine

Phytophthora diseases

Phytophthora causing crown dieback of Eucalyptus

Phytophthora pluvialis, red needle cast of radiata pine

Plane anthracnose, Apiognomonia veneta

Poplar anthracnose, Marssonina brunnea and Marssonina castagnei

Pseudocercospora leaf-spot disease of Eucalyptus previously known as Cercospora leaf spots of Eucalyptus

Pseudomonas syringae pv. syringae, bacterial leaf spot and canker

Pseudomonas syringae pv. syringae, bacterial stem canker of pine

Red needle cast of radiata pine Phytophthora pluvialis

Rhizosphaera kalkhoffii

Rhizosphaera pini

Rosellinia root rot (Rosellinia aff. necatrix)

Sapstain cause by storm damage

Sarcostroma sp. (Previously Seimatosporium), a disease of Eucalyptus in New Zealand

Seiridium unicorne now known as Seiridium cupressi

Seiridium cupressi Syn: Lepteutypa cupressi; in this country previously called Seiridium unicorne = Monochaetia unicornis cypress canker

Seiridium cardinale Syn: Coryneum cardinale cypress canker

Septoria leaf blight of Eucalyptus, Kirramyces eucalypti Syn: Septoria pulcherrima; Phaeophleospora eucalypti

'SOFT WOOD' (Lack of rigidity in the Canterbury hill country radiata pine)

Sonderhenia spp., leaf-spot diseases of Eucalyptus, previously known as Hendersonia leaf spots of Eucalyptus

Sphaeropsis sapinea Syn: Diplodia pinea diplodia leader dieback, diplodia crown wilt, and diplodia whorl canker

Sporothrix sp.

Stigmina platani

Stigmina thujina - A needle blight of Lawsons cypress?

Swiss needle cast disease, Phaeocryptopus gaeumannii

Trimmatostroma bifarium, a leaf-spot disease of Eucalyptus in New Zealand

Trimmatostroma excentricum

Upper mid-crown yellowing (UMCY) of radiata pine

Uromycladium rusts of acacia

Verticicladiella root disease now known as leptographium root disease

 

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