 |  |  |  |  |  |  |  |  |
Below you'll see everything we could locate for your search of “Asian citrus psyllid”
Citrus canker was found for the first time in Georgia this past season. Unfortunately, it may be here to stay. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, talked about the disease during a citrus meeting in Valdosta, Georgia, on Aug. 9. He emphasized that Georgia producers may have to learn to live with the disease …
By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …
Populations of Asian citrus psyllids in the Brazilian states of São Paulo and Minas Gerais have hit historically high levels, Fundecitrus recently reported. Fundecitrus described the development as “alarming” because the psyllids spread citrus greening disease. Reversing the situation requires immediate and joint action among citrus growers in the same micro-region, Fundecitrus stated. It reported that in the first half …
By Jawwad Qureshi Management of the Asian citrus psyllid (ACP, Figure 1) is critical because it is responsible for spreading huanglongbing (HLB) disease. Although HLB is established in Florida, it continues to spread through ACP feeding in already infected trees and by infecting newly planted young trees. Some ACP control occurs naturally in the environment by beneficial organisms such as …
The August issue of Citrus Industry magazine includes the show guide to an event many Florida growers look forward to all year long. The annual Citrus & Specialty Crop Expo has a new home at the Florida State Fairgrounds in Tampa. Find what you need inside the August issue to make the most of the event, including a full seminar …
The Fundecitrus app, launched in February, has a new feature to help citrus growers properly rotate insecticides to manage the psyllid that spreads citrus greening disease. The new feature helps growers choose insecticides with different modes of action. The use of insecticides with the same mode of action in sequential applications can result in an increase in the frequency of …
By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …
Psyllids collected in orchards in four microregions of Brazil’s citrus belt showed reduced susceptibility to insecticides from the pyrethroid and neonicotinoid chemical groups. That information was reported earlier this year by agronomist and researcher Fernando Amaral of the Arthropod Resistance Laboratory at the Luiz de Queiroz College of Agriculture/University of São Paulo (ESALQ/USP). This was the first confirmation of psyllid …
Entomologist Kirsten Pelz-Stelinski recently shared findings from trials on the use of foliar-applied and trunk-injected antibiotics for controlling HLB and the Asian citrus psyllids (ACP) that spread the disease. Pelz-Stelinski is associate center director at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred. In a May 17 presentation …
The citrus leafminer is a small, hard-to-detect pest that hides during the day and comes out at night to lay its eggs. Though this pest is small, it’s been known to cause severe damage to FL citrus crops. Having a broad-spectrum insecticide at your fingertips could go a long way in protecting your crops. While the citrus leafminer remains a …
There has been much focus on the benefits of applications of plant growth regulators like gibberellic acid and 2,4-D, and more recently oxytetracycline hydrochloride to improve the health of citrus trees infected with HLB. Silicon also has been highlighted for its potential benefits to citrus. Mohammad Adnan Shahid, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, …
The California Department of Food and Agriculture’s (CDFA) Asian citrus psyllid (ACP) quarantine program now requires all harvesters/farm labor contractors (FLCs) to have valid compliance agreements to harvest citrus groves. An FLC is defined as any person or establishment that employs people to perform work related to grove management and/or harvesting commercial citrus fruit. The requirement was announced by CDFA’s …
The lebbeck mealybug, also known as the hibiscus mealybug, is a pest that has recently become problematic for Florida citrus growers. Extension agent Lourdes Perez Cordero and entomologist Lauren Diepenbrock, both with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), recently reported on the pest. According to Cordero and Diepenbrock, the lebbeck mealybug feeds by piercing the …
Lukasz Stelinski for years has promoted saving money on HLB control by spraying for Asian citrus psyllids (ACP) only when their populations reach a certain threshold. The University of Florida Institute of Food and Agricultural Sciences professor still promotes that concept, but with a slightly new twist. TRUNK INJECTION SHOWING PROMISEIn a virtual seminar on April 25, Stelinski advised growers …
By Davie Kadyampakeni, Samuel Kwakye, Hossein Ghoveisi, Lauren Diepenbrock and Jawwad Qureshi Deficit irrigation practices can reduce water and energy costs, thus potentially increasing water-use efficiency and water savings in citrus production. Irrigation management through deficit applications, if timed at periods of reduced water demand, could help trigger increased root water and nutrient uptake while synchronizing citrus flush patterns. These …
California officials have confirmed the presence of HLB-spreading Asian citrus psyllids in a residential area east of Sonoma. The confirmation came following analysis of a survey trap set by the Sonoma County Department of Agriculture. The county department is coordinating with the California Department of Food and Agriculture (CDFA) in responding to the pest’s presence in Sonoma Valley. “Discovery of …
When commercial citrus acreage started migrating north some years ago, the big question was: To what extent would Asian citrus psyllids (ACP) and HLB migrate with the crop? With citrus getting well established in South Georgia, the pest and disease are there, but not yet at devastating levels like in Florida. Johnathan Oliver, an assistant professor of fruit pathology with …
By Angela Chuang and Lauren Diepenbrock While many arthropod predator and pollinator activities benefit crop quality and yields, traditional farming environments may not be ideal habitats to support their survival year-round. For example, wild bees or flies that pollinate citrus may need other sources of nectar and pollen when citrus is not flowering. Planting wildflowers near crop fields to improve …
By Lukasz L. Stelinski, Lauren Diepenbrock and Larry Duncan Given the focus on HLB in citrus management for more than a decade, important additional pests of citrus have sometimes not received the attention they may deserve. Trees with HLB are weakened and prone to succumb to the effects of the disease when challenged by secondary affliction(s), including infestation by diaprepes …
Past management, a perennial problem for citrus growers, is the primary focus of the January issue of Citrus Industry magazine. An old pest is posing new concerns for Florida growers. The recent resurgence of diaprepes root weevil is the subject of the cover story by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Lukasz Stelinski, Lauren Diepenbrock …
