Update: New Pest & Disease Records (19 July 18)

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July pest alerts contains a report on Alternaria alternaria, the causal agent of leaf blight on sunflower in South Africa

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 thrips from India, the description of a new species of PolycestaDejean from Chile and a report on the causal agent of leaf blight on sunflower in South Africa.

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TerraSentia: The Automated Crop Monitoring Robot

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TerraSentia robot to aid crop breeding processes (© The Silicon Review)

A team of researchers from the University of Illinois have developed a completely automated robot capable of monitoring crops in the field during growth periods with the aim of aiding crop breeders in the extensive task of developing and comparing plant cultivars.

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Environmentally Friendly Insect Repellent for Agriculture

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Naturally biodegradable insect-repelling chemical developed by researchers to target agricultural insect pests (© Pexels)

A team of researchers from the Technical University of Munich (TUM) have developed a biodegradable agent that repels insect pest activity amongst crops without the use of insecticide chemicals.

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Update: New Pest & Disease Records (08 June 18)

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Tomato leaf curl New Delhi virus has now been recorded infecting courgettes in Morroco (© Pexels)

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 Melon necrotic spot virus in Brazil, the first report of chrysanthemum stem blight and dieback (caused by Tomato spotted wilt virus) in China and the first report of Tomato leaf curl New Delhi virus infecting zucchini/courgette in Morocco.

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The Benefits of Crop Rotation for Corn and Soybean

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Corn production is one of the world’s major agriculture resources (© Oticki)

Many farmers who grow soybean and corn also integrate crop rotation strategies to avoid the continuous corn yield cost, but scientists from the US have given a new reason to use crop rotation. Evidence suggests that rotating crops increases yield and lowers greenhouse gas emissions compared to monoculture corn or soybean.

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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 (16 May 18)

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Plum pox virus (PPV) causes a dramatic decrease in fruit yield and quality (© Scott Bauer, USDA Agricultural Research Service, Bugwood.org)

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 plum pox virus (PPV) in Japan, the first report of white blister rust disease caused by Albugo occidentalis on spinach in Turkey and the first report of orange rust on sugarcane caused by Puccinia kuehnii in Guyana.

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