Yellow Dragon Disease: An Increasing Threat to Global Citrus Production

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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Citrus Greening in Grenada

[youtube https://www.youtube.com/watch?v=KNlZQMRDNBU&w=560&h=315] Citrus Greening, also known as Huanglongbing, was first confirmed in Grenada in 2016. The disease is caused by bacteria which are spread by the Citrus psyllid. The disease causes yellow blotchy mottling on leaves, small lopsided fruit and branch dieback, making the tree uneconomical. Due to Citrus greening’s potential to devastate Citrus yields,…
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Citrus greening detected in Trinidad

Huanglongbing (HLB), also known as Citrus greening, has been confirmed in Trinidad for the first time. The disease, which was detected on leaves from a lime tree in the north of the island, can cause devastating yield loss for Citrus growers and is regarded as one of the most important threats to global commercial and…
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Update: Plant Health News (03 Feb 16)

Here’s a taste of some of the latest stories about plant health, including the new parasitic wasp that can detect aphid infestation, the effect that El Niño will have on avocado in Peru and the threat of Huanglongbing (HLB) on agriculture in Colombia. Click on the link to read more of the latest plant health news!
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Update: Plant Health News (20 Jan 16)

Here’s a taste of some of the latest stories about plant health, including the wild bananas that could help overcome TR4 Panama disease, the effect of El Niño on potato crops in Peru and the farmers in Tanzania who are being urged to grown drought resistant crops. Click on the link to read more of the…
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Citrus greening threatens Floridian groves

Mabel Smith is an Oxfordshire school student, studying both the arts and the sciences. She is interning at CABI for Plantwise and the marketing department. The disease, citrus greening, which is also known as huanglongbing and caused by the fastidious bacteria Candidatus Liberibacter, continues to cause problems for Floridian growers this week. The psyllids that spread…
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Update: New Pest & Disease Records (11 Jun 14)

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 Phytophthora cinnamomi in the rhizosphere of agricultural crops in southern Bahia (Brazil),  the first report of Fusarium oxysporum f. sp. cubense tropical race 4 associated with Panama disease of banana outside…
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Anti-Terror Measures Allow Pest Explosion

Since 9/11 the number of invasive pests and plant diseases managing to slip into the USA has risen dramatically. Border checkpoints normally act as a first line of defence against these pests and diseases, however the increased emphasis on anti-terrorism measures has led to agricultural issues being ignored. This costs the USA a staggering $120…
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Is citrus greening coming your way?

Mexico is the latest to succumb to the inevitable spread and establishment of huanglongbing (HLB) – the devastating disease of citrus crops. Mexican authorities in the states of Jalisco, Michoacán and Colima have warned growers that HLB – otherwise known as citrus greening – is here to stay. HLB was first detected in Mexico in…
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