كتب ذات صلة

Insects and insecticides. A practical manual concerning noxious insects and the methods of preventing their injuries.

Destruction of obnoxious insects by means of fungoid growths

1965 Condensed insecticide recommendations :

1965 condensed insecticide recommendations.

• Fungi and fungicides.
  
• The pear thrips (Euthrips pyri)
  المؤلفون: Moulton, Dudley.