Update: New Pest & Disease Records (9 Jul 14)

orange rust

Orange rust (Puccinia kuehnii), which has been found for the first time on sugarcane in Ecuador. Copyright: Robert C. Magarey

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 rusts on sugarcane in Ecuador and Southern Africa, outbreaks of the whitefly Aleurothrixus aepim in Brazil, and the first report of the fungus Alternaria arborescens causing leaf spot on rice in Pakistan.

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Update: New Pest & Disease Records (28 May 14)

Entomophthoroid fungi, like that found in Argentina, can infect and kill aphids (Credit: Sergio sanchez)

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 identification of Dickeya zeae as a causal agent of bacterial soft rot in banana in China, the natural occurrence of entomophthoroid fungi of aphid pests on alfalfa in Argentina and the identification of insect vectors of Rice yellow mottle virus (RYMV) in Benin.

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Update: New Pest & Disease Records (02 Apr 14)

Anthracnose on dragon fruit can be caused by different Colletotrichum species  © Yuan-Min Shen, Taichung DARES

Anthracnose on dragon fruit can be caused by different Colletotrichum species © Yuan-Min Shen, Taichung DARES (CC BY-NC)

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 records of plant parasitic nematodes on cassava cultivated in the Brazilian Amazon, the first record of dragon fruit anthracnose caused by Colletotrichum truncatum in China and a new threat to potato production in Serbia.

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Update: New Pest & Disease Records (20 Mar 14)

Sclerotium rolfsii, causing leaf chlorosis, and root and collar rot of apple has been found in Tunisia © University of Georgia

Sclerotium rolfsii, causing leaf chlorosis, and root and collar rot of apple has been found in Tunisia © University of Georgia

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 a ‘Candidatus Phytoplasma Ziziphi’- related strain associated with peach decline disease in India, molecular and morphological characterisation of Scutellonema bradys from yam in Costa Rica and the first report of apple collar rot incited by Sclerotium rolfsii in Tunisia.

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Crop diversification finds home for ‘orphan crops’

Farmer from Teso. Knowledge of orphan crops should conserved © Bioversity International/ Y.Wachira

Farmer from Teso, Kenya. Indigenous knowledge of orphan crops should be conserved © Bioversity International/ Y.Wachira

The term ‘orphan crops’ refers to plant species and varieties that of recent decades have been ignored by governments, seed companies and scientists due to their limited importance in global markets. Instead, only a few major staples have been of interest. From fruits and vegetables to grains and nuts, many orphan crops are highly nutritious, resilient to climate extremes and are well adapted to marginal soils. They are therefore of great significance for food security and the generation of income to the world’s poorest communities.

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Update: New Pest & Disease Records (22 Jan 14)

Fire blight is well know in crops such as apples (ARS-USDA)

Fire blight is well known in crops such as apples (ARS-USDA)

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 leaf blight of mint caused by the fungus Helminthosporium spiciferum, the first occurrence of fire blight on apricots in Hungary and the first report of Tomato rugose yellow leaf curl virus infecting tomato in Argentina.

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Update: New Pest & Disease Records (13 Jan 14)

Planthoppers carry viruses, as well as being pests themselves © James K. Lindsey (CC BY-SA)

Planthoppers carry pathogenic viruses, as well as being pests themselves © James K. Lindsey (CC BY-SA)

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 migration of rice planthoppers and their vectored rice viruses in East Asia, Alternaria alternata as a new foliar fungal pathogen of tea in Southern India and the first report of downy mildew caused by Plasmopara halstedii on Gerbera jamesonii in Brazil.

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Update: New Pest & Disease Records (11 Dec 13)

Black spot has been reported on persimmon fruits © tkamenick (CC BY-NC-ND)

Black spot has been reported on persimmon fruits © tkamenick (CC BY-NC-ND)

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 Bipolaris papendorfii causing corn leaf spot in China, the first report of black spot disease caused by Alternaria alternata on sweet persimmon fruits and two new species of Fergusonina Malloch gall fly from leaf bud galls on black sallee and manna gum.

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Update: New Pest & Disease Records (27 Nov 13)

Symptoms of Iris Yellow Spot Virus on onion leaf © Ronald D. Gitaitis, University of Georgia (CC BY-NC)

Symptoms of Iris Yellow Spot Virus on onion leaf © Ronald D. Gitaitis, University of Georgia (CC BY-NC)

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 Curtobacterium flaccumfaciens pv. flaccumfaciens on soybean in Brazil, the first report of Iris Yellow Spot Virus infecting onion in Pakistan and the occurrence of anthracnose on chickpea in Malaysia.

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Update: New Pest & Disease Records (13 Nov 13)

Grapevine red blotch virus © Wendy McFadden-Smith (Queen's Printer for Ontario)

Grapevine red blotch virus © Wendy McFadden-Smith (Queen’s Printer for Ontario)

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 Deladenus cocophilus, an entomoparasitic nematode in infested coconut fruits from Pakistan, an association of a DNA virus with grapevines affected by red blotch disease in California and Bambusananus cuihuashanensis, a new bamboo-feeding leafhopper species of Athysanini from Shaanxi, China.

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