Wildflowers May Benefit Citrus Groves

Josh McGillPests, Research, Tip of the Week

By Xavier Martini Planting wildflowers in and around fields is known to provide food resources and habitats for beneficial arthropods like pollinators and predators of pests. In two locations (Lake Alfred and Monticello), University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers tested whether planting native Florida wildflowers next to citrus grove windbreaks could improve natural pest control …

Evaluation of Citrus × Microcitrus Hybrid Scions

Josh McGillResearch, Varieties

By Ute Albrecht, Anas Fadli and Chandrika Ramadugu Most commercially available citrus scion cultivars are highly attractive to the Asian citrus psyllid and susceptible to HLB. There are some citrus species, however, that are HLB tolerant or resistant. This may be because they are less attractive to the psyllids and/or because they restrict pathogen proliferation and therefore HLB disease development. …

South African Mandarin Production Boosted by Netting

Josh McGillCrop Forecast, International, Mandarins

There is a growing trend of South African mandarin growers aggressively establishing new orchards under netting, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) recently reported. The practice has improved water efficiency, yields and the overall quality of fruit, USDA/FAS says in its semi-annual South Africa citrus report. USDA/FAS says the production of tangerines/mandarins in South Africa is anticipated …

New Citrus Sustainability Push in Florida

Josh McGillEvents, Florida, Orange Juice

Sustainability has been a buzzword in agriculture for years, often with varying definitions of what the term means. In recent years, many industries have adopted self-assessment tools to monitor their sustainability and report their results to their customers. Much of this monitoring and reporting is being done via online platforms. During Florida Citrus Mutual’s board of directors meeting held during …

Mississippi

Texas Mexfly Updates Issued

Josh McGillPests, Regulation, Texas

The U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) in late June announced updates regarding Mexican fruit fly (Mexfly) quarantines in Texas: On April 29, APHIS and the Texas Department of Agriculture (TDA) established a Mexfly quarantine in Lyford, Willacy County, Texas. APHIS and TDA established the Lyford quarantine following the confirmed detection of a mature …

California HLB Quarantine Areas Expanded

Josh McGillCalifornia Corner, HLB Management, Regulation

Federal and state officials in late June expanded the areas quarantined for huanglongbing (HLB, also known as citrus greening), caused by Candidatus Liberibacter asiaticus, in California. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) took the action in cooperation with the California Department of Food and Agriculture (CDFA). APHIS added portions of Los Angeles, Orange, Riverside …

Citrus Crop Looks ‘Very Promising’

Josh McGillCold Hardy, Crop Forecast

The sweltering heat being felt across the Southeast has done little to dampen the optimism shared by one citrus grower who believes this year’s crop is “very promising.” Kim Jones, who owns a citrus packing facility in Monticello, Florida, and is part-owner of a similar facility in Tifton, Georgia, discusses the state of this year’s crop in North Florida and …

sour

Turkey’s Lemon Production Climbs

Josh McGillCrop Forecast, International, lemons

Fresh lemon production in Turkey for 2021–22 was recently forecast at 1.33 million metric tons (MMT) in an update by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS). That’s an increase of about 22% over expected prior year production of 1.1 MMT. Growers are expanding the area of their lemon orchards in part because lemons are more profitable than …

Alternative Management Tools for ACP Under Development

Josh McGillEducation, HLB Management, Psyllids

By Lourdes C. Pérez Cordero Management of the Asian citrus psyllid (ACP) in the HLB era is incredibly important. This well-known insect can vector and facilitate the spread of the bacterium associated with HLB disease. Therefore, effective reduction of ACP populations can be beneficial for the citrus industry. But how exactly do we manage this pest? Unfortunately, there is not …

Changes to Florida Citrus Marketing Order Proposed

Josh McGillFlorida, Marketing, Regulation

The U.S. Department of Agriculture (USDA) announced proposed amendments to the Florida citrus marketing order. As recommended by the Florida Citrus Administrative Committee, changes would include reducing the size and quorum requirements of the committee and revising the nomination and selection processes of committee members. The requirement of allocating committee seats based on volume from each district would also be …

Keep Cool in the Heat of Summer

Josh McGillAll In For Citrus Podcast, Weather

This summer has been a steamy one with some Florida locations breaking record highs. The latest episode of the All In For Citrus podcast took up the hot topic with Amir Rezazadeh, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) fruit and field crops Extension agent. He addressed how heat can affect citrus trees and people working …

psyllids

Second CLas-Positive Psyllid Sample Found in California Grove

Josh McGillCalifornia Corner, Pests, Psyllids

An Asian citrus psyllid (ACP) sample confirmed positive for Candidatus Liberibacter asiaticus (CLas) — the bacteria that causes huanglongbing (HLB) — was collected from a commercial citrus grove in the Pauma Valley area of California’s San Diego County. This confirmation marks the first CLas-positive ACP found in a commercial grove in San Diego County and only the second grove detection …

Protecting Citrus Trees From Heat Stress

Josh McGillTip of the Week, Weather

By Anirban Guha Heat stress could take a toll on citrus tree health and fruit yield. In Florida, the hot season lasts more than four months. Long, hot, oppressive summer days can heat up leaves and fruit and make the trees extra thirsty. Also, high soil evaporation, irregular rainfall and poor soil water-holding capacity can often lead to summer drought …

orange juice

Barriers to Buying Orange Juice

Josh McGillFlorida Department of Citrus, Orange Juice

The Florida Citrus Commission (FCC) recently heard a report that 13% of consumers surveyed in June said the increased price of buying orange juice (OJ) is a barrier. Florida Department of Citrus (FDOC) Director of Economic and Market Research Marisa Zansler provided that information to the FDOC’s governing board. Zansler also reported that 5% of consumers said they were less …

Orange Crop

Expectations for Brazil’s 2022–23 Orange Crop

Josh McGillBrazil, Orange Juice, Production

Brazil’s 2022–23 orange harvest is expected to yield a crop of 414.4 million 40.8-kg boxes (MBx), an increase of 15% over the prior season’s production. That forecast was issued by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) in its semi-annual report on Brazilian citrus. Most of Brazil’s 2022–23 orange harvest will come from the state of São Paulo …

South African Grapefruit Growth Continues

Josh McGillGrapefruit, International

The growth in South African grapefruit plantings is expected to continue in 2021–22, increasing by 3% to 9,200 hectares, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) stated in a recent report. The area planted to grapefruit grew by 25% over the past seven years. Limpopo province is the leading growing region for grapefruit in the country, accounting for …

Leprosis Management Recommendations for Brazil

Josh McGillBrazil, Diseases

Fundecitrus recently issued recommendations for leprosis management in Brazil. Leprosis has been expanding in the Brazilian citrus belt for the last six years and is an increasingly significant cause of fruit drop. The disease also causes a reduction in the useful life of the tree, weakened by defoliation and drying of the branches. The main disease management strategy is to …

court

Glyphosate Decision Disappoints Ag Groups

Josh McGillLegal, Pesticides

Several national agricultural organizations issued a statement expressing disappointment over the U.S. Supreme Court’s recent glyphosate decision not to hear the case Monsanto vs. Hardeman, which pertains to state glyphosate health warnings. The statement read: “We are disappointed the Supreme Court has decided not to hear this case, which has significant implications for our global food supply and science-based regulation. …

Major Increase in Mandarins Planted in Chile

Josh McGillInternational, Mandarins

Land planted in mandarins in Chile increased significantly over the past 10 years, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. In marketing year 2021–22, the area planted totaled 11,194 hectares, a 32.6% increase over 2019–20. A decade ago, planted mandarin area totaled only 3,629 hectares. The mandarin industry includes clementines and tangerines. FAS said the planted …

Juice for Florida’s Future

Josh McGillOrange Juice, Research, Varieties

By Jude Grosser and Fred Gmitter New sweet oranges and sweet orange-like hybrids could offer improved juice quality for growers. It’s no secret that the recent season in Florida was a disaster, with record low production and terrible fruit quality due to HLB. Juice Brix and soluble solids were so low that harvest was delayed in many groves, resulting in …