Aid donors join forces to fight wheat rust
Emerging strains of stem rust disease of wheat, such as Ug99, are spreading out of East Africa and threatening the world’s wheat supply. But the fight against this disease received a boost this week from a collaboration between the UK’s Department for International Development (DFID) and the Bill & Melinda Gates Foundation. The organisations have…
Hessian fly heading for the sack
Wheat crops suffer millions of dollars’ worth of damage each year due to the hessian fly, Mayetiola destructor. The most effective control method is genetic resistance, when wheat resistance genes cause death of the attacking larvae by activating a defense response against avirulent hessian flies. Unfortunately this has led to flies that can overcome resistant…
California on alert against citrus psyllid
The detection of the Asian citrus psyllid (Diaphorina citri) in a citrus grove in Ventura County, California, has set alarm bells ringing in the Californian citrus industry, and led to the imposition of a quarantine in the County just as the citrus harvest was getting under way. The psyllid, now found throughout Florida and present…
How will climate change affect plant health?
As weather patterns shift around the world due to changing climates, so this brings new challenges to crop protection. Pests and diseases can become a problem in new areas, or appear earlier, making it necessary to change crop protection practices. Conversely, some pests and diseases may become less of a problem as conditions become less…
Would you miss the mistletoe?
I was thinking “what shall I write about in my Christmas blog?” I then remembered a news item I heard in one of the BBC radio stations about the mistletoe being under threat of disappearing from our landscape. I searched for the news item in their news webpage and found it still there. The article…
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