“In just the past three years, soybean cyst nematode (SCN) has spread to 55 new U.S. counties in 11 states,” says Greg Tylka, Iowa State University (ISU) nematologist and co-leader of The SCN Coalition. “The most damaging soybean pathogen, SCN has also infested 24 new counties and rural municipalities in the Canadian provinces of Manitoba, Ontario and Quebec.”
Breeding is becoming an increasingly more important tool in the fight against pests and diseases as other crop protection products are under pressure. An international group of researchers has taken a major step forward in this regard for wheat cultivation by describing a resistance gene (Stb16q) and incorporating it into wheat.
A highly destructive fungal disease known for wiping out entire banana crops, is devastating plantations on the New South Wales Mid North Coast, putting local supply in jeopardy. The disease, Panama disease race 1, is threatening a banana supply shortage of the Lady Finger and Ducasse banana varieties.
While humanity is facing the COVID-19 pandemic, the citrus industry is trying to manage its own devastating disease, Huanglongbing (HLB), also known as citrus greening disease. HLB is the most destructive citrus disease in the world. In the past decade, the disease has annihilated the Florida citrus industry, reducing orange production for juice and other products by 72%.
North Queensland banana growers are warning holiday makers to stay off their farms with an influx of tourists expected in North Queensland. They are concerned that travellers pulling up for a photo opportunity may breach bio-security measures and unwittingly spread Panama disease tropical race 4 through the region.
A team of researchers from the Center for Research in Agrigenomics (CRAG) and the Institute for Agrifood Research and Technology (IRTA) has identified the powdery mildew resistance gene in peach trees. This disease, caused by the fungus Podosphaera pannosa, causes great financial losses to producers and generates a notable environmental impact due to the fungicides necessary for its control.
This season, Kashmir’s apple output might be hit by scab disease, mainly due to climatic factors. Although the fruits of course remain edible, the fungal infection would leave marks, making it tough for farmers to get a good price. Apple orchard owners across the valley are reporting the fungus (Venturia inaequalis), said Fayaz Ahmad Malik, who leads fruit growers and dealers at the fruit wholesale market in Sopore.
Banana fruits infected with rot disease were collected from the local market of Lahore, Pakistan. The observed symptoms were dry, decayed, sunken lesions with dark grey to greenish in color, damaging quality of the fruit. Scientists at University of the Punjab (Lahore, Pakistan) have isolated the pathogen from infected tissues.
A new University of Florida app will help the state’s blueberry growers identify and manage disease and insect injuries commonly encountered in Florida before their crop is ruined. Collectively, blueberries are a $60 million-per-year crop in Florida. Patricio Munoz, the UF/IFAS blueberry breeder and an assistant professor of horticultural sciences, came up with the vision for, and supervised the development of, the UF/IFAS Blueberry Growers Guide phone app, released on December 1.
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