Researchers unveil innovative technology to treat plant pathogens and pests, including zebra chip disease

Researchers at the U.S. Department of Agriculture’s (USDA) Agricultural Research Service (ARS) announced recently that they have found an innovative way to treat pathogens and pests in potato, citrus trees, and tomato plants without the use of antibiotics, zebra-chip disease in potato. They found that plants showed significant reduction of each pathogen or symptom development in response to FANA treatments.

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Research breakthrough creates crops that can grow 50% more potatoes, rice

Manipulating RNA can allow plants to yield dramatically more crops, as well as increasing drought tolerance, announced a group of scientists from the University of Chicago, Peking University and Guizhou University. In initial tests, adding a gene encoding for a protein called FTO to both potato and rice plants increased their yield by 50% in field tests. The plants grew significantly larger, produced longer root systems and were better able to tolerate drought stress.

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Scientists’ view on how to tackle worrying emerging potato blight strains

Breeders in Britain believe they have the tools to stay one step ahead of late blight in potatoes, despite concern about new and more aggressive strains emerging across Europe. Since 2000, researchers have had technology that allows rapid identification of any genetic changes – or new “clones” – in populations of Phytophthora infestans. In the Netherlands, Wageningen-based Solynta’s research team lead Michiel de Vries says it is now up to the breeding companies to develop resistant varieties.

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Canadian potato growers hope mustard and arugula combo will prevent pests, make soil healthier

New research on Canada’s Prince Edward Island is using mustard and arugula to tackle pest problems in potato fields with a side benefit, farmers hope, of making the soil healthier at the same time. As the CBC’s Nancy Russell reports in this news story, the mustard in the field is called caliente rojo, and is specially bred to have high levels of glucosinolates, a natural component in many pungent plants including mustard, cabbage, and horseradish.

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‘New plants for carbon farming’: Can breeders actually do it?

As agriculture looks to better farming practices to sequester more carbon, breeders look to make new crops to help, writes SeedWorld’s Joe Funk in this article. “Carbon sequestration”, he says, “it’s a buzzword that’s slowly trickling down into agriculture practices. But how could breeding for carbon farming actually help the industry?”

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Sutton Bridge Crop Storage Research: What next?

In this AHDB Food & Farming podcast episode, Jimmy Phillips interviews Rob Clayton, AHDB Sector Strategy Director for Potatoes, to discuss how the planned wind down and transition of AHDB Potatoes activities will impact potato storage research. The voting outcome of the recent ballot on the statutory levy in potatoes means that research activity at the centre will stop this autumn.

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The pathogen with a ‘sharp knife’: Researchers discover how late blight enters plants

It has long been a mystery how this microscopically small organism and other members of the Phytophthora genus mechanically gain entry through the protective layer on the leaves of crops. In a unique collaboration, Wageningen University & Research experts in plant pathology, cell biology and physics have now found an answer to this question. Their discovery also provides new leads to making the control of Phytophthora more effective, more efficient and more sustainable on the long term.

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New discovery to have a profound impact on potato breeding

Researchers at the hybrid potato breeding company Solynta and Wageningen University & Research (WUR) have identified, cloned and characterized the gene for self-compatibility in potatoes called “Sli”. This discovery will have a profound impact on potato breeding. With Sli defined, breeders can implement hybrid breeding which will allow for faster and focused rather than opportunistic breeding. The technique could also help to quickly develop new potato varieties that are adapted to local conditions such as drought or flooding.

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Chinese scientists make breakthrough in potato breeding

A research team led by Professor Huang Sanwen with the Agricultural Genomics Institute at Shenzhen initiated the “Upotato Plan”, which utilized the theory and methods of genome design to carry out hybrid potato breeding, ‘re-inventing’ the potato from a clonally propagated tetraploid crop into an inbred line-based diploid crop, propagated by seeds.

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Webinar recording now online: ‘How to employ Automated Machine Learning to Predict the Best Quality Potato Chip/Crisp’

This webinar ran successfully on June 24th. JADBio’s Automated Machine Learning (AutoML) platform was applied to predict potatoes’ susceptibility to bruising and also its potential for coloration during french fry processing. The aim was to differentiate between potatoes that would be less prone to bruising from those that would more easily bruise during mechanical handling. Another goal was to successfully predict the potatoes’ potential susceptibility to acrylamide formation during processing due to the Maillard reaction.

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Study: Potato nutrients can help reduce sodium retention, may help reduce risk of hypertension

A new study published in Nutrients investigated the effect of increased dietary potassium from a whole food source – baked/boiled potatoes and baked French fries – or a potassium supplement on blood pressure and other cardiovascular disease risk factors compared to a ‘typical American’ control diet (lower potassium intake) among 30 pre-hypertensive to hypertensive men and women.

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Researchers say Irish potato famine pathogen stoked outbreaks on six continents

North Carolina State University researchers continue to track the evolution of different strains of the plant pathogen that caused the Irish potato famine in the 1840s, which set down roots in the United States before attacking Europe. NC State plant pathologists studied the genomes of about 140 pathogen samples – historic and modern – from 37 countries on six continents to track the evolution of differing strains of Phytophthora infestans, a major cause of late-blight disease on potato and tomato plants.

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AHDB agrees a wind-down programme

The AHDB has announced a “managed wind-down” of its potatoes and horticulture work following industry votes to end statutory levies in the sectors – but growers will still have to fund the organisation during 2021-22. Funding will be provided for current research programmes to the end of contracts, and 42 of these contracts will end by March 2022. Otherwise all other activities for potatoes and horticulture during 2021-22 will be stopped at appropriate points in the growing season.

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Multi-year project in Maine to improve soil health, potato yield and quality

Good soil is fundamental to growing healthy, productive, and profitable crops. Jay Hao, Professor of Plant Pathology for the University of Maine, is working to reduce pathogens and improve soil health, by planting rotational crops after potatoes. “Because the tubers stay in the soil, you face a lot of soil borne pathogens. That can cause a lot of diseases. So instead of controlling one disease versus multiple, we do the integrated way by using different crops as a nutrient input and also as a disease suppression strategy.”

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The ‘touchy-feely’ potato: Researchers developed bio-sensor to detect early signs of plant stress

In an effort to increase agricultural productivity and limit waste, a team of researchers from the Hebrew University of Jerusalem (HU)’s Robert H. Smith Faculty of Agriculture, Food and Environment developed a method to detect signs of stress before potato plants are damaged. By employing genetic engineering, the team introduced a new gene coded to a fluorescent protein that reports the level of reactive ‘oxygen specieses’ – highly reactive molecules whose accumulation signifies stress responses.

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‘A passion for potatoes’: Pioneering Colorado potato breeder Dave Holm retires

Dave Holm was destined to work with potatoes. He was raised on a potato farm in southeast Idaho, where his dad and grandfather instilled in him a love of one of the world’s most important crops. His interest extends to the complexities of the tubers, as well as their nutritional properties. This June, Holm will retire after 43 years of service to Colorado State University’s San Luis Valley Research Center and Department of Horticulture and Landscape Architecture.

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Can extracts from northern-hardwood trees become a substitute for CIPC? Canadian researchers think so

Chlorpropham (or CIPC) is widely used as a sprout suppressing agrochemical applied to stored potatoes almost globally, although its use has been banned by the EU not long ago. It is expected to be banned in Canada as well in future. Researchers in Quebec are optimistic about the anti-sprouting properties of extracts from black spruce, yellow birch and balsam fir that grow in northern-hardwood forests.

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Sweden’s Starch Producers ready to put CRISPR to work in developing ‘new climate-smart potato varieties’

Sweden’s Starch Producers organization expressed a very positive view about this conclusion from the European Commission’s study into new genomic techniques, and of the fresh optimism that it will now potentially be possible to use the CRISPR technique. Sweden’s Starch Producers will now be able to commercialise the efforts it has made in this field within the EU. They began a drive to use the CRISPR technique to develop new, climate-smart varieties of seed potatoes in 2014. The new varieties are now being cultivated for the second year.

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Interseeding cultivation method shows early promise to reduce nitrate leaching

A two-year project funded through the University of Wisconsin-Water Resources Institute is investigating an interseeding cultivation method for potato cropping that shows early promise to reduce nitrate leaching. Researcher Kevin Masarik from UW-Stevens Point is pursuing what he termed an outside-the-box idea – interseeding rye, oat and millet between the rows of potatoes to create biomass to take up excess nitrates.

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AHDB: ‘What we’ve learned from 17 years of Fight Against Blight data’

AHDB’s Fight Against Blight programme started in 2004 and since then ‘blight scouts’ have sent in over 10,000 samples of potentially blight infested potato plants for genotyping. Each year the results are published because knowing the location of outbreaks and the dominant genotypes, allows for better prevention of the disease. This has been particularly valuable when genotypes behave differently to the norm, for example if they are insensitive to a certain treatment, or if they aggressively reproduce more quickly than typical spray cycles.

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Canadian researcher leading the fight against blackleg of potato

Dr. Michele Konschuh, a research associate in the Department of Biological Sciences at the University of Lethbridge in Canada’s Alberta province, is leading a study to help ensure Alberta’s potato industry stays healthy. Blackleg is caused by Pectobacterium and Dickeya bacteria. Of the two, Dickeya is especially aggressive. “The one we have in Alberta is caused by Pectobacterium species. At this time, we have no Dickeya and we want to keep it that way,” says Konschuh.

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Late blight studies reveal evolution of potato disease in Europe and Asia

Plant scientists at the James Hutton Institute are studying the evolution of late blight in potato by working with industry and research partners to track the distribution and diversity of dominant clones in Europe in 2020, and have also contributed to a review into the development of the disease in Asia in the last 150 years, as part of global efforts to improve the sustainable production of healthy potato crops.

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21st EAPR Triennial Conference postponed to 2022

For the sake of the health of conference participants and in consideration of the dynamically changing realities related to the COVID 19 pandemic, EAPR President Jadwiga Śliwka and the organizers have announced today that they have decided to postpone the 21st EAPR Triennial Conference. The new conference dates are now 4-8 July 2022. The Conference will be held in the International Exhibition and Convention Centre EXPO Kraków, former capital of Poland.

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Can buckwheat be the new top crop on the rotation block?

Agriculture and Agri-Food Canada (AAFC) researchers are encouraging farmers to buck the trend and use buckwheat as a triple threat crop. In addition to its high nutritional value, the fast growing crop is proving to be beneficial in suppressing pests such as wireworms in potatoes, and preventing soil diseases.

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