| | - Copper Deficiency
Copper deficiency causes pollen sterility and failure of grain formation. Such male sterile flowers open allowing cross pollenation or ergot infection. Several photographs of affected plants and suggested management strategies. ...
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7772
|
| |
- The APS Net
The authors of this months APSnet Feature make an appeal to plant health professionals to increase their efforts of discovering, documenting, and reporting new records. They also provide recent examples illustrating how vital timely and accurate repo ...
http://www.apsnet.org/
|
| |
|
- The Barley Disease Problems
Symptoms and control of common barely diseases including bacterial blight, scald and stripe rust, from the University of Idaho. ...
http://www.uiweb.uidaho.edu/ag/plantdisease/
| | |
| |
- Barley Stripe Mosaic Virus
Photograph of both normal and affected seedlings. Barley seedlings infected by barley stripe mosaic hordeivirus; healthy seedlings on left. Barley infected by barley stripe mosaic hordeivirus. ...
http://www.forestryimages.org/browse/detail.cfm?imgnum=0454048
|
| |
- The Powdery Mildew
Powdery mildew on barley and other grasses was first recognized centuries ago. This disease is widely distributed throughout the world, from humid to semiarid regions. Powdery mildew is found on the leaf surface. The disease appears as white fluffy p ...
http://www.hannafords.com/
| | - The Barley Thrips
Adult barley thrips are very small, less than 2 mm long. To the naked eye they appear slender, dark coloured and shiny. Females are winged and males are wingless. The wings lay flat along the back and are visible as pale or silver strips. The larvae ...
http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/prm2477
|
| |
