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UrduJanuary 13, 2021 – The element nitrogen is a double-edged sword. It is essential for growing plants and feeding people, but it is also a leading cause of pollution across the world. Only by using nitrogen more sustainably can the…
Tag: FERTILIZERS/PEST MANAGEMENT
Beating the ‘billion-dollar bug’ is a shared burden
Study shows how individual farming practices associated with greater corn rootworm damage can have farther-reaching effects
TU Graz identifies bacterium that protects rice plants against diseases
Bacterium inside the seed can lead to complete resistance to a particular pathogen and is naturally transmitted from one plant generation to another
Understanding disease-induced microbial shifts may reveal new crop management strategies
While humanity is facing the COVID-19 pandemic, the citrus industry is trying to manage its own devastating disease, Huanglongbing (HLB), also known as citrus greening disease. HLB is the most destructive citrus disease in the world. In the past decade,…
The puzzle of nonhost resistance: why do pathogens harm some plants but not others?
People have puzzled for years why pathogen Phytophthora infestens causes the devastating late blight disease, source of the Irish Potato famine, on potatoes, but has no effect at all on plants like apple or cucumber. How are apple trees and…
Delicious and disease-free: scientists attempting new citrus varieties
$4.67 million helps put new fruits to the test
Biotech cotton key to eliminating devastating pest from US and Mexico
For much of the past century, the invasive pink bollworm wreaked havoc in the southwestern United States and northern Mexico — inflicting tens of millions of dollars in damage annually to cotton on both sides of the border. A multifaceted…
Skinnier but resilient geese thriving in the high Arctic
Long-term study shows decreasing body condition but no effect on population
Fertilizer runoff in streams and rivers can have cascading effects, analysis shows
Fertilizer pollution can have significant ripple effects in the food webs of streams and rivers, according to a new analysis of global data. The researchers also found some detection methods could miss pollution in certain types of streams. The analysis,…
Bermudagrass versus the armyworm
Striving for a better understanding of pest resistance in experimental lines
Survey shows dicamba may reduce the effectiveness of junglerice controls
WESTMINSTER, Colorado – December 15, 2020 – In recent years, junglerice has become a significant problem in dicamba-resistant cotton and soybean crops. In Tennessee, for example, growers routinely find populations of the weed that escape applications of dicamba plus glyphosate…
Study shows the impact of genetic diversity on effective alligatorweed control
WESTMINSTER, Colorado – December 15, 2020 – New research featured in the journal Invasive Plant Science and Management ( IPSM ) shows that genetics matter when it comes to the effective control of alligatorweed, an invasive plant found in or…
Academies call for prompt action to protect biodiversity in the agricultural landscape
German Academies of Sciences make recommendations in eight fields of action
Discovering gaps in food safety practices of small Texas farms
Survey identifies key areas for future food safety training
‘Peecycling’ payoff: Urine diversion shows multiple environmental benefits when used at city scale
Diverting urine away from municipal wastewater treatment plants and recycling the nutrient-rich liquid to make crop fertilizer would result in multiple environmental benefits when used at city scale, according to a new University of Michigan-led study. The study , published…
Invasive harlequin ladybird causes severe decline of two-spotted ladybird, new study shows
CABI scientists have led an 11-year study which shows how the invasive harlequin ladybird (Harmonia axyridis) caused the severe decline of the two-spotted ladybird (Adalia bipunctata) on broadleaved trees and shrubs in northern Switzerland
‘Windows of opportunity’ crucial for cutting Chesapeake nutrient, sediment loads
Targeting critical times across watershed may reduce pollution flowing into troubled bay
Powerhouse plants that bolster the food web
Researchers identify key native plants that stabilize feeding relationships essential for our planet’s health
High-tech fixes for the food system could have unintended consequences
New technology is needed for our failing food systems; but anticipating trade-offs is crucial to making sure fixes do not create unmanageable new problems
Male weeds may hold key to their own demise
URBANA, Ill. – Scientists are getting closer to finding the genes for maleness in waterhemp and Palmer amaranth, two of the most troublesome agricultural weeds in the U.S. Finding the genes could enable new “genetic control” methods for the weeds,…
Tanzania farmers distrust fertilizer quality, are less willing to pay for it
URBANA, Ill. – Smallholder farmers in Sub-Saharan Africa use fertilizer well below recommended rates, contributing to consistently low agricultural productivity. Farmers in Tanzania and Kenya, for example, apply just 13 kilograms of fertilizer per hectare, compared with 165 to 175…
Dynamics in the root zone
More regions in Europe are at risk of nitrate leaching than previously thought
Jin Kim Montclare named a fellow of the National Academy of Inventors
BROOKLYN, New York, Wednesday, December 9, 2020 – Jin Kim Montclare , professor of chemical and biomolecular engineering at the New York University Tandon School of Engineering , and director of the Montclare Lab , has been named a Fellow…
The pesticides in contact with plastics for mulch take longer to degrade
The use of plastic mulch (plastic covering on crop lines) is a widespread technique used in agricultural regions in order to increase the profitability of the crops. According to the European Commission, 100,000 tonnes of plastic mulch was used per…
Neuropeptide discoveries could someday help defeat the dreaded cockroach
Cockroaches are notorious for their abilities to survive and reproduce, much to humanity’s chagrin. In addition to scurrying around at night, feeding on human and pet food, and generating an offensive odor, the pests can transmit pathogens and cause allergic…
Risk of vine-to-vine spread of Xylella fastidiosa is greatest in July and August
The bacterial plant pathogen Xylella fastidiosa is a worldwide threat to perennial tree and vine crops and has been linked to Pierce’s disease of grapevine in California, olive quick decline in Italy, and citrus variegated chlorosis in South America. Scientists…
CABI signs agreement with COLEACP to help strengthen global food security
CABI and COLEACP have signed a Memorandum of Understanding to work together on key areas of interest concerning sanitary and phytosanitary (SPS) measures around the world.
Keeping California a powerhouse of almond production
A favorite healthy snack, almonds are a staple on grocery store shelves worldwide. More than 80% of these almonds are grown in California. As permanent crops, almond trees have unique needs and challenges for farmers. Sat Darshan Khalsa , a…
Plant-inspired alkaloids protect rice, kiwi and citrus from harmful bacteria
Plants get bacterial infections, just as humans do. When food crops and trees are infected, their yield and quality can suffer. Although some compounds have been developed to protect plants, few of them work on a wide variety of crops,…
After 100 years, Cornell University plant pathologists revisit fire blight hypothesis
Historically credited as being the first bacterium ever characterized as a plant pathogen, fire blight is a bacterial disease that leads to significant losses of pear and apple. The role of insects in the spread of this disease has been…
Pesticide deadly to bees now easily detected in honey
A common insecticide that is a major hazard for honeybees is now effectively detected in honey thanks to a simple new method.
University of Guam works to stop ironwood tree decline
With U.S. Department of Agriculture grants totaling almost $370,000, researchers from the University of Guam and other institutions are in the process of analyzing termites to assess their role in infecting what is now more than 20 percent of Guam’s…
Glyphosate may affect human gut microbiota
Glyphosate is the most commonly used broad-spectrum herbicide. Researchers from the University of Turku in Finland have developed a new bioinformatics tool to predict if a microbe, e.g. a human gut bacterium, is sensitive to glyphosate. “Glyphosate targets an enzyme…
Researchers recommend more transparency for gene-edited crops
Media contacts: Jennifer Kuzma, [email protected] Khara Grieger, [email protected] Mick Kulikowski, News Services, 919.218.5937 or [email protected] Researchers at North Carolina State University call for a coalition of biotech industry, government and non-government organizations, trade organizations, and academic experts to work together…
Young asymptomatic ‘super spreaders’ keep malaria viable by infecting local mosquitoes
Study in Uganda reveals school-age children are reservoirs of disease – just four were linked to 60% of the malaria-infected mosquitoes
Illinois-led research aims to clean agricultural drainage water
URBANA, Ill. – The Natural Resources Conservation Service (NRCS), part of the U.S. Department of Agriculture, has awarded $1.12 million to support University of Illinois-led research to clean agricultural drainage water through saturated buffers and denitrifying bioreactors. The investment, part…
APS launches new outreach service, Grow: Plant Health Exchange
The American Phytopathological Society (APS) is pleased to introduce Grow: Plant Health Exchange , an online, science-based resource for plant health management professionals and practitioners to exchange knowledge and discover the latest applied research. All the content is freely accessible…
Scientific journal launches new series on the biology of invasive plants
WESTMINSTER, Colorado – November 16 2020 – Today the journal Invasive Plant Science and Management (IPSM) announced the launch of a new series focused on the biology and ecology of invasive plants. “Our goal is to assemble information that can…
UTIA’s Lori Duncan named Trusted Adviser of the Year
Row Crop Sustainability Specialist Honored by Field to Market Alliance
New research maps potential global spread of devastating papaya mealybug pest
CABI scientists have mapped the potential global spread of the devastating papaya mealybug (Paracoccus marginatus), highlighting new areas in Africa, Asia and the Americas into which this pest could potentially invade
For asymbiotic growth of arbuscular mycorrhizal fungi, feed them fatty acids
Scientists around the world have been working to grow arbuscular mycorrhizal fungi without their host plants because they can be used as organic fertilizer in agriculture and forestry. AM fungi help plants receive nutrients from the soil through a network…
The ecology of crop pests
Ecological theory provides insights on pesticide use in agriculture
More plant diversity, less pesticides
Species-rich plant communities help to naturally reduce herbivore impacts
Natural enemy of Asian fruit fly – previously thought to be one species – is in fact two
New research reveals strong evidence that a natural enemy of the prolific Asian fruit fly – previously believed to be one species – is in fact two with only one of the parasitoid proving suitable as a biological control agent against the pest
Keeping our cool
To limit global warming, the global food system must be reimagined
Ants are skilled farmers: They have solved a problem that we humans have yet to
Fungus-farming ants are an insect lineage that relies on farmed fungus for their survival. In return for tending to their fungal crops–protecting them against pests and pathogens, providing them with stable growth conditions in underground nests, and provisioning them with…
From nitrate crisis to phosphate crisis?
International research team including Göttingen University call for a Europe-wide phosphate directive
Buffalo fly faces Dengue nemesis
Australian cattle researchers use biological control to tackle insect pest
Join us online: Insect science goes virtual at Entomology 2020, November 11-25
Scores of presentations on the latest in insect science, all at your fingertips at the ESA Virtual Annual Meeting
Fungal species naturally suppresses cyst nematodes responsible for major sugar beet losses
The plant pathogenic nematode Heterodera schachtii infects more than 200 different plants, including sugar beets, and causes significant economic losses. Over the past 50 years, the primary management tool in California has been crop rotation. When the number of H.…