Smelling plant diseases: New technology identifies plant diseases remotely in the field

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By identifying the chemical cocktails released by leaves, the newly developed technology can identify if a specific plant is diseased and if so, what the disease is (© Pexels)

Researchers at North Carolina State University have published an exciting study on a novel technology which allows farmers and extension workers to identify plant diseases remotely in the field using airborne chemical fingerprints. The newly developed handheld sensory device, which can be plugged into a smartphone, samples the airborne levels of volatile organic compounds (VOCs) that are released by plants from the leaves.

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It’s here: the new Plantwise Knowledge Bank!

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Plantwise Knowledge Bank homepage (© CABI)

We are pleased to announce the release of the newly designed and dynamic Plantwise Knowledge Bank. The new website is now mobile responsive and has a cleaner, more user-friendly homepage. Our improved design allows for easier navigation and its responsive layout has made it suitable for desktop, mobiles and tablets.

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Yellow Dragon Disease: An Increasing Threat to Global Citrus Production

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Citrus production accounts for over 110 million tonnes of fruit per year globally (© CC0)

Yellow dragon disease, also known as citrus greening disease is one of the greatest bacterial threats to citrus trees on a global scale, affecting crop production across Africa, Asia and North America.

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Update: New Pest & Disease Records (7 Feb 18)

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Purple grape vineyard and rows (© CC0)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include the first report of grapevine yellow speckle viroids in Nigeria, the first report of tomato ringspot virus (Secoviridae) in a vineyard in Ohio, USA and the first report of pepper vein yellow virus in Pakistan.

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Update: New Pest & Disease Records (5 Jan 18)

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Invasive Golden apple snail (Pomacea canaliculata) eggs on freshwater aquatic plant (© Dr. Raju Kasambe)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include the first report of the golden apple snail (Pomacea canaliculata) in Iraq, the first report of Ceratocephalus falcatus smut caused by Urocystis eranthidis and a new species of thrip (Genus: Odontothrips) in China. Continue reading

Update: New Pest & Disease Records (13 Jul 16)

Naga King chilis in India are being attacked by invasive mealybugs  © Asit K. Ghosh
Naga King chilis in India are being attacked by invasive mealybugs © Asit K. Ghosh

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include new host records for the fruit fly Ceratitis capitata in the state of Pará, Brazil, the presence of Meloidogyne enterolobii on Jalapeño pepper in Sinaloa, Mexico and the first report of the invasive mealybug Phenacoccus parvus infesting Naga King chili in India.

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Update: New Pest & Disease Records (29 Jun 16)

Anthracnose caused by Colletotrichum nymphaeae has been identified on peppers in Malaysia © Queen's Printer for Ontario, 2009
Anthracnose caused by Colletotrichum nymphaeae has been identified on peppers in Malaysia © Queen’s Printer for Ontario, 2009

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include the first report of powdery mildew (Erysiphe quercicola) on rubber trees in Viet Nam, the occurrence of anthracnose fruit rot (Colletotrichum nymphaeae) on pepper in Malaysia and the characterization of a novel polerovirus infecting maize in China.

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