You are here: Home» NZFFA Library» Forest Management» Forest Health, Pests and Diseases» Forestry pests» Acrocercops laciniella, Blackbutt leafminer» Report: The Pest Status of the Blackbutt Leafminer on Durable Eucalypts in Northland» Species» Eucalyptus muelleriana, August 2005


PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND

Eucalyptus muelleriana, August 2005

Eucalyptus muelleriena August 2005
SPECIES of TREE EXAMINED - Eucalyptus muelleriana, August 2005
  CATEGORY OF DAMAGE REPRESENTED AS A %      
  0% <25% 25 - 50% 50 - 75% >75%      
TREE # Qty % Qty % Qty % Qty % Qty % TOTAL LEAVES PER SAMPLE AVERAGE DAMAGE  
1 81 79% 6 6% 5 5% 10 10% 1 1% 103 9.47%  
2 98 77% 13 10% 7 5% 8 6% 2 2% 128 8.59%  
3 92 69% 11 8% 6 5% 12 9% 12 9% 133 16.26%  
4 103 85% 8 7% 3 2% 4 3% 3 2% 121 5.99%  
5 88 78% 14 12% 5 4% 5 4% 1 1% 113 6.75%  
6 59 52% 28 25% 8 7% 18 16% 1 1% 114 16.34%  
TOTALS 521 73% 80 11% 34 5% 57 8% 20 3% 712 10.66%  

Last Updated on 8/28/05
By Dean Satchell

(top)

Farm Forestry - Headlines

Article archive »