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 …

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 …

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 …

Brazil's

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 …

Farmworker Protection Rule

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 …

Argentina’s Lemon Crop to Increase

Josh McGillExport/Import, International, lemons

In its semi-annual citrus report for Argentina, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) increased its 2021–22 estimate for Argentina’s lemon crop production by 15%, to 1.9 million metric tons (MMT). Lemons are grown principally in the northwest provinces of Tucuman, Salta and Jujuy, with some minor production in northeast Argentina. Over the past few years, both existing …

California’s Oldest Orange Approved for Production

Josh McGillCalifornia Corner, Varieties

The 1,000th tree okayed for growing by California’s Citrus Clonal Protection Program happens to be California’s oldest orange variety in the state. Dubbed the Mother Orange Tree, Bidwell’s Bar is a sweet Mediterranean orange brought to California from Mazatlán, Mexico, and planted in 1856. It was first planted near the Bidwell Bar Bridge near Oroville. The tree’s survival skills are some …

Reduce HLB Pressure and Enhance Growth With Kaolin

Josh McGillHLB Management, Tip of the Week

By Christopher Vincent Kaolin particle film is a non-toxic tool to reduce psyllids and increase tree growth. Particle films are nothing more than a suspension of solid particles that make a “film” on the leaves after they dry. They work mostly by reflecting light. Kaolin is the most common type of particle film because the clay is mined directly and …

Grapefruit Juice Improves Women’s Arteries

Josh McGillFlorida Department of Citrus, Grapefruit, Research

A study examining the effects of 100% grapefruit juice reported that consumption led to lower vascular stiffness in women when compared to a control drink. Increased arterial stiffness is primarily a consequence of aging and has been associated with an increased risk of cardiovascular disease, including heart attack and stroke. Originally published in the American Journal of Clinical Nutrition, this randomized …

Oriental fruit fly

Oriental Fruit Flies Found in Florida

Josh McGillFlorida, Pests

The Florida Department of Agriculture and Consumer Services (FDACS) has confirmed the presence of Oriental fruit flies, Bactrocera dorsalis, in Pinellas County. Two male flies were captured during routine trapping in a methyl eugenol-baited fruit fly detection trap in St. Petersburg on May 17. Expanded intensified delimitation trapping over the 80-square-mile surrounding area resulted in two additional males being captured …

California Panel Issues HLB Update

Josh McGillCalifornia Corner, HLB Management, Pests

California’s commercial citrus groves remain free of HLB disease 14 years after Asian citrus psyllids (ACP) were first detected there. The state’s Citrus Pest and Disease Prevention Program (CPDPP) described that as “no small feat” in its recently released 2020-21 annual report. “The past fiscal year presented its fair share of headwinds for citrus-growing operations,” the report stated. “From pandemic-induced …

Orange Acreage Declining in Chile

Josh McGillInternational, Oranges

Land planted in oranges in Chile totaled 6,371 hectares in marketing year 2021–22, down from 7,389 hectares 10 years earlier, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. The orange acreage decreased gradually as producers shifted to mandarins and lemons because of their higher profitability, FAS stated. Orange plantings are located mainly in the Metropolitana and O’Higgins …

PIECES OF THE PAST: Pounding the Pavement

Josh McGillHistory, Pieces of the Past

By Brenda Eubanks Burnette I was reading a book about Dundee Citrus Growers Association, “D Is for Diamonds,” by Gordon Smith when I came across a story about Hoyle Pounds. He was inducted into the Florida Agricultural Hall of Fame in 1980 and the Florida Citrus Hall of Fame in 1986. Pounds had a long career as an innovator. He …

CRDF Recommends Lowering Box Tax Rate

Josh McGillCRDF, Regulation, Research

In May, Florida citrus growers voted on whether to continue a research order that allows them to impose a tax on their production to fund scientific studies. The referendum passed with 76% voting in favor of the self-assessment. After the vote, all eyes turned to the June Citrus Research and Development Foundation (CRDF) board of directors meeting, which was held …

Brix Addressed in Proposed U.S. Legislation

Josh McGillLegislative, Orange Juice

U.S. Senators Marco Rubio and Rick Scott of Florida introduced the Defending Domestic Orange Juice Production Act. The legislation would direct the U.S. Food and Drug Administration (FDA) to lower the required Brix level of not-from-concentrate pasteurized orange juice from 10.5% to 10%.    U.S. Representatives Mario Díaz-Balart, Debbie Wasserman Schultz, Stephanie Murphy, Kat Cammack, Daniel Webster, Maria Elvira Salazar, Darren …

Selecting the Right Leaves for Sampling

Josh McGillNutrition, Tip of the Week

By Jamie D. Burrow and Tripti Vashisth With the increased cost and limited availability of fertilizer, purchasing decisions are more important now than ever. Collecting the right leaves for sampling is the first step to making fertilizer decisions. Leaf samples should consist of 100 leaves that are 4- to 6-month-old spring flush leaves taken from nonfruiting branches. WHY LEAVES FROM …