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Pest/Disease Management

NIFA Invests $21.7M in Emergency Citrus Disease Research and Extension

USDA-NIFA’s Emergency Citrus Disease Research & Extension (ECDRE) program brings the nation’s top scientists together with citrus industry representatives to find scientifically sound solutions that combat and prevent citrus greening (HLB)​ at the farm-level. For the first time in the program’s history, NIFA is supporting an HLB-focused Coordination Network (CN) Project led by an interdisciplinary team of scientists representing all three major citrus producing …

New Commercial HLB Detection Response Guide

To ensure California citrus growers are well prepared in the event of a potential commercial grove detection of Huanglongbing (HLB), the deadly citrus plant disease that can be spread by the Asian citrus psyllid (ACP), the Citrus Pest and Disease Prevention Program (CPDPP) has developed a response guide for growers to utilize and educate themselves on the California Department of Food and …

Invasive Stink Bug Habitat Could Expand with Climate Change

A foul-smelling, voracious, wide-spread pest of fresh fruits and tree nuts could become even more ubiquitous with climate change. A recent modelling study found that changing weather could increase suitable habitat for the brown marmorated stink bug in the United States by 70%. The study, published in Pest Management Science, draws on data from a three-year stink bug monitoring effort in …

Fumigation Considerations Before Replanting an Orchard

It’s that time of the year when orchards are being pulled and growers begin preparing their soil for future plans.  For growers looking to replant their orchards, watch this brief interview with UC Riverside Nematologist Andreas Westphal as he shares some considerations to take for fumigation when it comes to nematode pressure. Please thank this video’s sponsor Suterra for their industry support.

Thirteen UC Davis Scientists Contribute to Special Journal Edition on Spotted-Wing Drosophila

Thirteen UC Davis scientists or former affiliates are among authors from eight countries who contributed to research articles for the Journal of Economic Entomology’s Special Collection: Research Advances in Spotted-Wing Drosophila suzukii Management. The recently published Special Collection showcases 14 articles. Native to Asia, the agricultural pest is a worldwide threat to the berry production industry, which includes raspberries, blackberries, blueberries, strawberries, and cherries. The …

Results from New Citrus Rootstock, Scion Combination Experimental Grove on HLB Tolerance

As citrus growers in the west dreadfully anticipate the arrival of the citrus killing disease Huanglongbing, researchers in the already severely impacted state of Florida are making significant strides in learning how to combat this disease. Early results from a groundbreaking, large-scale citrus trial looking for solutions to the devastating citrus greening disease have given early hope for growers in …

Promising Advancements in Biocontrol Treatment that Slows Citrus Greening

Citrus growers may have a new tool to help them slow the presence of citrus greening in already diseased trees. While there is no cure for Huanglongbing (HLB), researchers at the University of Florida Institute of Food and Agricultural Sciences found that injecting a benign Xylella fastidiosa EB92-1 bacteria biocontrol into infected citrus trees over a period of six years …

California Citrus Growers Invited to Apply for CA-CRaFT ACP Mitigation

Through support from the USDA Huanglongbing Multi-Agency Coordination Group (HLB-MAC) the Citrus Research Board (CRB) is initiating a California focused Citrus Research and Field Trials (CA-CRaFT) project. The overarching goal of CA-CRaFT is to demonstrate the effects of additional mitigations on Asian citrus psyllid control within commercial citrus groves across the various citrus growing regions in California. This project will …

Citrus Research Board Secures Immense Support from Citrus Growers

California citrus growers voted to continue their support of the Citrus Research Board (CRB) by a broad margin in a state-mandated referendum. The just-concluded referendum, which must be held every five years, was conducted by the California Department of Food and Agriculture (CDFA). A majority of eligible citrus producers cast their vote and their support was nearly unanimous – 97.80 …

Tips to Save Avocado from Root Rot

Root rot is a term referring to any disease where the pathogen damage and deteriorate the plant’s root system. Root rot can occur on most woody and herbaceous plants. Root rot is caused by many soil-borne fungi. Most fungi causing root rot to prefer wet soil conditions. Some of them produce spores (microscopic biological particles that allow fungi to be …

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