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Plant health
Research, new developments and findings of organisms, harmful to plants.
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Eradication program wins out against destructive boll weevil - Brownsville Herald

Eradication program wins out against destructive boll weevil - Brownsville Herald | Plant health | Scoop.it

Boll weevil (Anthonomus grandis) is a beetle, which feeds on cotton buds and flowers.

The Brownsville Herald. By Steve CLARK: MyFox Houston Eradication program wins out against destructive boll weevil. Perhaps it's fitting that the boll weevil's last stand is taking place in the Lower Rio Grande Valley, since it was here — near Brownsville — in the 1890s that a little pest with a big appetite first crossed into the continental United States from Mexico....

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QBOL/EPPO Conference on DNA barcoding and diagnostic methods for plant pests - Call for presentations

QBOL/EPPO Conference on DNA barcoding and diagnostic methods for plant pests - Call for presentations | Plant health | Scoop.it

@EPPOnews, 17 Jan. 2012:

A  joint conference will be organised by QBOL project, the Dutch Plant Protection Service and the European and Mediterranean Plant Protection Organisation in Haarlem (the Netherlands) on 21/25 May 2012.

 

Preliminary program and preregistration details have been just published. The Quarantine organisms Barcode Of Life project (QBOL) seeks to generate DNA barcode information for vouchered specimens of quarantine pests and form a publically available database.

Speakers at the conference are invited to givel oral or poster presentations regarding diagnostic methods in the different sessions and to contribute to development of a new diagnostic tool using DNA barcoding to identify quarantine organisms in support of plant health.

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USDA office closures impact research

USDA office closures impact research | Plant health | Scoop.it

California Farm Bureau issued alert, since USDA is consolidating and closing 259 of its offices across the USA , closing 131 Farm Service Agency offices and cut budget for reaserch in agriculture. As part of the federal government's efforts to reduce the nation's burgeoning deficit, the U.S. Department of Agriculture measures will impact also cotton research in California. Cotton farmers may loose support of researchers, working on the disease Fusarium oxysporum, specifically Race 4 of that organism, which has become "a serious problem for California's cotton industry". In addition to research on Fusarium Race 4, scientists at Shafter were also working on pest management solutions for common pests like the Lygus bug.

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Arizona Veg IPM: foxglove aphid and lettuce dieback

Arizona Veg IPM: foxglove aphid and lettuce dieback | Plant health | Scoop.it

Western Farm Press, Arizona Vegetable Integrated Pest Management: foxglove aphid, lettuce dieback, seed crop weed control.

Until recently, aphid pressure has been relatively light in most areas throughout the desert Southwest. There have been a few reports of alate (winged) green peach aphids on a few plants with minimal colonization. Identification of aphids from a celery field in the Yuma Valley confirmed findings of foxglove aphids Aulacorthum solani. Aphids usually occur in a humid environment and are often reason for pesticide use. Several aphid species may occur during the winter and spring growing seasons. See more ...

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Molecular Aspects of Plant Disease Resistance

Molecular Aspects of Plant Disease Resistance | Plant health | Scoop.it

Molecular Aspects of Plant Disease Resistance book

 

...ebook downloads...

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Kenyan Corn Fungus May Reduce Crop Yields, State Agency Warns - Bloomberg

Kenyan Corn Fungus May Reduce Crop Yields, State Agency Warns - Bloomberg | Plant health | Scoop.it

First report of new occurence of fungus disease by Consolatah Lucas from Mombasa, before the causal agent of the disease is identified, is not common practice. Esther Kimani, general manager of the Kenyan Plant Health Inspection Service said, that laboratory test results are still pending. The symptoms of the disease, which has been reported in Bomet County, 175 kilometers northwest of Nairobi, include leaf discoloration and wilting. It has a significant effect on yield of the crop, hence the cause of concern: 405 hectares of the crop in the southwest of Kenya is destroyed.

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Australia, China join on global food security | CRC for Plant Biosecurity

Australia, China join on global food security | CRC for Plant Biosecurity | Plant health | Scoop.it

The Australian Cooperative Research Centre for National Plant Biosecurity has developed memoranda of understanding with two leading Chinese science agencies and a university to mount joint research programs aimed at curbing losses of grain and other vital crops to insects, fungi and plant diseases.

Australia has been recognised as a world leader in dealing with insect pests in stored grain and has particular skills in developing clean, green approaches to grain hygiene. At the other side, building a greater understanding of the import requirements for Australian produce (as they apply to plant biosecurity) which will assist grains and horticulture industries develop further markets in China.

The cooperation in diagnostics and trials, as well as sharing of technical expertise and models of leadership in Australia and Indonesia are based on a CRC Plant Biosecurity project dealing with "A community based model to manage emergency plant pests" ($1,431,310; cash and in-kind contributions).

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Call to Arms: How Plants Mobilize Defenses - Howard Hughes Medical Institute

Call to Arms: How Plants Mobilize Defenses - Howard Hughes Medical Institute | Plant health | Scoop.it

Plants do not have an immune system like animals do to fend of pathogenes. Recently Xinnian Dong discovered how plants mobilize defenses. At Howard Hughes Medical Institute they found several candidates that belong to a family of proteins that help plants survive high temperatures. Plants can switch on genes that code pathogene- fighting proteins. The on-off switches for these genes often carry a characteristic gene sequence called TL1.

 

See her research paper on Mechanisms and Dynamic Regulation of Plant Immune Responses.

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Diseases of Fruit Crops & Ornamentals: Resistant Fire Blight bacteria in New York

Diseases of Fruit Crops & Ornamentals: Resistant Fire Blight bacteria in New York | Plant health | Scoop.it

The rapid identification of this outbreak positions us to implement a coordinated plan leading up to next year's growing season,” said Herb Aldwinckle, professor of plant pathology and plant-microbe biology at Cornell university.

 

Cornell plant pathologists have issued a warning to New York apple and pear growers after discovering a strain of fire blight that is resistant to such traditional treatments in USA as the antibiotic streptomycin.

 

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Nature: The genome of the spider mite Tetranychus urticae reveals herbivorous pest adaptations | Plant Pathogenomics

Nature: The genome of the spider mite Tetranychus urticae reveals herbivorous pest adaptations | Plant Pathogenomics | Plant health | Scoop.it
The spider mite Tetranychus urticae is a cosmopolitan agricultural pest with an extensive host plant range and an extreme record of pesticide resistance.
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Vegetable Seeds Disease Resistance Buying List

Vegetable Seeds Disease Resistance Buying List | Plant health | Scoop.it

The use of certified vegetables seeds, resistant to certain common pathogens, is very helpful preventative measure.  Tomatoes, for example, are particularly prone to various forms of blight, while squash and pumpkin can often fall ill to powdery mildew.

 

The vegetable variety is listed first followed by the resistant diseases.

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