Myrtle Rust as at March 2011 Situation summary



Yüklə 34.73 Kb.
PDF просмотр
tarix21.08.2017
ölçüsü34.73 Kb.

Myrtle Rust

as at March 2011



Situation summary

Myrtle rust up date – Kevin Cooper  March 2011 



Surveillance

Targeted –



finished 22 Dec ’10

Passive –



(self reporting) since 22 Dec

Targeted results



> 1600 inspections >1300 locations/properties

> 600 nurseries (wholesale & retail)



> 250 bushland sites

Negative interstate traces



> 201 Infected premises



NSW

locations



Amenity



Residential



Nurseries



Bushland



Potential range with current hosts

Known susceptible hosts

Hundreds of Myrtacae sp. exposed 



Amenity, gardens, nurseries & bushland

Infected 



>50 sp

(not including multiple cultivars of same sp.)

Nurseries*



17

(incl. nursery plant in bush setting)

Bushland*



20

(

incl. cultivated plants at sites in bushland)



Garden/amenity



13

Industry*



3-4

Some sp. present in more than 1 category



Austromyrtus                Agonis

Production



Rhodamnia rubescens

Melaleuca quinquenervia

Bushland


Other production infected sp



Acmena smithii



Backhousia citridora

lemon scented myrtle



Callistemon viminalis

weeping Bottlebrush



Callistemon sp

St Mary MacKillop



Chamelaucium unicinatum

Geraldton wax



Lenwebbia prominens

south velvet myrtle



Lophomyrtus bullata

Rainbow end



Lophomyrtus x ralphi

Red dragon & Black Stallion



Melaeuca alterniflora

tea tree




Melaleuca linarifolia

Claret tops



Metrosideros collina 

Fiji’ and ‘Dwarf’





Myrtus communis

common myrtle



Pilidiostigma globrum

plum myrtle



Syzygium australe 

meridian midget lilly pilly



Syzygium 

‘Cascade’ (Syzygium wilsonii  subsp. wilsonii x Syzygium leumannii)

lilly pilly



Syzygium jambos

plum rose, rose apple



Syzygium luehmannii

small leaf lilly pilly, riberry



Syzygium oleosum

blue lilly pilly



Tristania neriifolia

water gum



Xanthostemon chrysanthus

golden penda


Other bushland infected sp



Angophora floribunda

rough barked apple



Backhousia anisata

aniseed myrtle



Backhousia myrtifolia

grey myrtle



Callistemon salignus

willow bottlebrush



Choricarpia leptopetala

rusty turpentine



Eucalyptus agglomeratta

blue leafed stringbark



Eucalyptus deani

Dean’s gum



Eucalyptus elata

river peppermint, river white gum



Eucalyptus pilularis

blackbutt



Eugenia reinwardtiana

beach cherry



Gossia acemeniodes

scrub ironwood



Gossia bidwilli

scrub python tree



Gossia hilli

scaly myrtle



Gossia gonoclada

angle stemmed myrtle



Leptospermum petersonii

lemon scented tea-tree



Leptospermum rotundifolium 

round Leaf tea-tree



Melaleuca nodosa

prickly leaved paperbark



Rhodamnia sp (x5)

malletwood/turpentine



Rhodomyrtus psidiodes 

native guava



Syncarpia glomulifera

turpentine


Impact on plants

Much unknown



Variable


- factors influencing affect on plants

susceptibility of plant



age of plant

species


habitat – incl aspect, solar radiation

level of exposure/infection



weather – temperature & humidity

other species



stress


season


Affects on plants

Dead young plants seen in nurseries & bushland bush



Adult plants typically coping unless otherwise stressed*

Leaf curling on new growth tips



Leaf loss

Infected seeds and fruits



General yellowing

Short term observation



Treatments

Spray -



for how long

Remove & destroy 



Spray, remove & destroy

Monitor & watch



Select resistant strains

Do not use known susceptible hosts



Myrtle rust in NSW

Risk assessments



Red Zone/Green Zone

Activities



Vehicles




People

Document Outline



Verilənlər bazası müəlliflik hüququ ilə müdafiə olunur ©azkurs.org 2016
rəhbərliyinə müraciət

    Ana səhifə