تقنية لشاشة الزان الأمريكية لمقاومة الحشرات والزان مقياس (

1:42

Collection of Beech Scale Eggs

4:06

Egg Viability Assays

5:32

Scale Resistance Screening of Large Mature Beech Trees in the Field

8:18

Scale Resistance Screening of Potted Seedlings or Grafts

10:06

Data Collection

10:51

Results: Susceptibility and Resistance of Beech Trees to Artificial Infestation

12:04

Conclusion