Agdia, Inc.

Agdia, Inc. Agdia is the leading provider of diagnostic products and services for detection of plant pathogens a

Plant viruses are threatening your morning coffee, your chocolate, and your evening glass of wine.An opinion piece in Th...
06/11/2026

Plant viruses are threatening your morning coffee, your chocolate, and your evening glass of wine.

An opinion piece in The Hill by Anna E. Whitfield, Julie K. Pfeiffer, and Terence S. Dermody puts plant health front and center, making the case that the crops behind our most cherished daily rituals are quietly under siege. The viruses threatening them include:

- Coffee ringspot virus: Spread by mites and widely distributed globally; causes leaf and fruit drop, destabilizing production for the 25 million farmers who grow coffee worldwide

Cacao swollen shoot disease viruses: These viruses have already devastated cocoa production in West Africa, where nearly half of the world's cocoa is grown. Infected trees often must be removed entirely, destroying a farmer's primary income source.

Grapevine leafroll virus and Grapevine red blotch virus: Widespread in vineyards across the US and globally. These viruses can reduce sugar accumulation in grapes, alter flavor and quality, and can shorten vineyard lifespan by years.

As the authors note, these threats are especially insidious because plant viruses operate within complex ecological systems, evolve rapidly, and often cause gradual damage that goes unnoticed until it's widespread. Once a plant is infected, there is no cure.

This is exactly why early, accurate detection matters. At Agdia, deploying reliable diagnostic tools into the hands of cultivators, service labs and so many others is at the core of our mission.

A special shoutout to all the operators doing their part to protect our food supply and the everyday pleasures we often take for granted.

Here’s the full article: https://hubs.li/Q04l6Kgd0

New product launch: rapid on-site CCYV detectionAgdia is pleased to announce the commercial release of a new AmplifyRP® ...
06/02/2026

New product launch: rapid on-site CCYV detection

Agdia is pleased to announce the commercial release of a new AmplifyRP® XRT test kit for Cucurbit chlorotic yellows virus (CCYV), equipping growers and diagnosticians with a field-deployable tool to combat an emerging threat to global cucurbit production.

- Results in under 30 minutes
- No nucleic acid purification required
- 100% diagnostic specificity AND 100% sensitivity in validation studies
- Detects known CCYV isolates from the U.S., China, South Korea, Israel, Taiwan, Italy, Japan, Lebanon, and Sudan

First reported in Japan and now confirmed in other countries across Asia, the Middle East, Europe, Africa, and the United States, CCYV is transmitted by the whitefly Bemisia tabaci and causes interveinal chlorosis, mottling, and reduced fruit yield and sugar content in cucurbit crops such as cucumber, melon, watermelon, squash, and pumpkin. Its symptoms closely resemble those of CABYV, CYSDV, certain nutrient deficiencies, and even downy mildew. This makes accurate diagnostic confirmation essential to effective management.

Not set up for in-house testing? Samples can also be sent to Agdia's ISO/IEC 17025-accredited Testing Services laboratory, which now includes CCYV in its cucurbit pathogen screening.

New product launch: rapid on-site CVYV detectionWe are excited to announce the commercial release of a new AmplifyRP® te...
05/26/2026

New product launch: rapid on-site CVYV detection

We are excited to announce the commercial release of a new AmplifyRP® test kit for Cucumber vein yellowing virus (CVYV), giving growers and diagnosticians a field-deployable tool for yet another emerging virus affecting cucurbit production.

- Results in under 30 minutes, no nucleic acid purification required
- 100% diagnostic specificity and 98.3% diagnostic sensitivity in validation studies
- Detects known CVYV isolates across major affected regions

CVYV is transmitted by silverleaf whitefly (Bemisia tabaci) and through mechanical means. Its symptoms (chlorosis, vein clearing, stunting, fruit cracking) overlap with other viruses and nutrient issues, making accurate diagnosis critical.

Not set up for in-house testing? Samples can also be sent to Agdia's ISO/IEC 17025-accredited Testing Services laboratory, which now includes CVYV in its cucurbit pathogen screening.

First report: To***co etch virus (TEV) found in dragon fruitA team at Yunnan Agricultural University has published the f...
05/22/2026

First report: To***co etch virus (TEV) found in dragon fruit

A team at Yunnan Agricultural University has published the first global report of natural TEV infection in dragon fruit (Hylocereus undatus).

TEV is an aphid-transmitted Potyvirus that infects a broad host range (149+ species across 19 families).

In July 2023, researchers observed dragon fruit plants in a commercial plantation in Yuanjiang County, Yunnan Province, China, showing irregular chlorotic spots and etch-like cladode lesions, with a 30% disease incidence. High-throughput sequencing and RT-PCR identified TEV as the sole pathogen, and the full 9,531-nt genome of the isolate (TEV-YNs) was characterized as a severe etch strain.

To confirm the diagnosis serologically, the team used Agdia's commercial TEV ELISA kit, which returned positive results for each of the five symptomatic samples that tested positive for TEV with RT-PCR.

Congratulations to Shengming Liu, Rui Gao and the all other co-authors team on this finding!

The full report can be found in Plant Disease (APS Journals): DOI 10.1094/PDIS-04-26-0701-PDN (also the source of the images used on this post).

New from Agdia: a rapid molecular test for emerging Coguviruses in cucurbit crops.Watermelon crinkle leaf-associated vir...
05/13/2026

New from Agdia: a rapid molecular test for emerging Coguviruses in cucurbit crops.

Watermelon crinkle leaf-associated virus 1 (WCLaV-1) and 2 (WCLaV-2) are on the move. First identified in China around 2015, they've since been reported in the southern U.S., Australia, Brazil, Iran, Greece, Italy, Slovenia, Spain, and Türkiye, affecting cucumber, melon, squash, watermelon, and zucchini.

Symptoms like leaf crinkling, yellow mosaic patterns, and fruit deformation can mimic other cucurbit viruses. Misidentification leads to ineffective management, making accurate diagnosis essential.

Our new AmplifyRP® XRT assay delivers:

• Field-deployable, onsite detection in under 30 minutes
• Detection of all known isolates from across geographic regions
• No nucleic acid purification needed

Prefer to send samples to a lab? WCLaV-1 and WCLaV-2 testing is now included in our expanded cucurbit pathogen screening through Agdia Testing Services, an ISO/IEC 17025:2017 accredited laboratory.

Learn more or order the new test kit on our website.



The image shows leaf crinkling symptoms in watermelon infected with Watermelon crinkle leaf‐associated virus 1 in southeastern Spain. Provided courtesy of C. de Moya-Ruiz, M. Juárez, I. Ferriol, P. Gómez from New Disease Reports, Volume: 51, Issue: 2, 04 June 2025, DOI: (10.1002/ndr2.70040)

The GB Plant Health Service has announced legislation in the UK for new plant health import controls of tomato, eggplant...
05/08/2026

The GB Plant Health Service has announced legislation in the UK for new plant health import controls of tomato, eggplant, pepper and ginger that will go into effect in October 2026:

- Ralstonia pseudosolanacearum for ginger rhizomes from anywhere outside of the EU, Switzerland and Liechtenstein. R. pseudosolanacearum is a soil-borne bacterial plant pathogen that infects a wide range of crops and causes bacterial wilt.

- Bactrocera latifrons for tomato and eggplant from Israel and Taiwan - This pest (also known as the solanum fruit fly) infests a relatively wide range of plants with a high affinity for Solanaceae and Cucurbitaceae.

Source: Fresh Produce Council in the UK

A new study published in Advancements in Life Sciences conducted a comprehensive survey of virus-infected pepper crops a...
04/29/2026

A new study published in Advancements in Life Sciences conducted a comprehensive survey of virus-infected pepper crops across 13 regions of Saudi Arabia.

Of 319 samples collected during the 2021–2022 growing seasons, 75% tested positive for at least one virus. In some regions, infection rates reached 100%. A total of 22 viruses were detected. This is the first time that three of these viruses have been reported to infect pepper anywhere in the world:

• Andean potato latent virus (APLV)
• Potato leaf roll virus (PLRV)
• Potato virus V (PVV)

As a note, each of the 3 viruses listed above were only detected in single samples, so it is unknown whether they cause disease or pose significant threats to pepper production.

An additional 17 viruses were detected in Saudi Arabian pepper crops for the first time:

• Tomato brown rugose fruit virus (ToBRFV)
• Tomato mosaic virus (ToMV)
• Pepper mottle virus (PepMoV)
• Chili veinal mottle virus (ChiVMV)
• Pepper veinal mottle virus (PVMV)
• Pepino mosaic virus (PepMV)
• Pepper yellow mosaic virus (PYMV)
• Capsicum chlorosis virus (CaCV)
• Tomato black ring virus (TBRV)
• Tomato chlorotic spot virus (TCSV)
• Tomato chlorosis virus (ToCV)
• Tomato spotted wilt virus (TSWV)
• Potato virus Y (PVY)
• Potato virus A (PVA)
• Potato virus S (PVS)
• Potato virus X (PVX)
• Potato aucuba mosaic virus (PAMV)

Our team is in Vienna this week for the EPPO (European and Mediterranean Plant Protection Organization) Diagnostics Conf...
04/23/2026

Our team is in Vienna this week for the EPPO (European and Mediterranean Plant Protection Organization) Diagnostics Conference.

Debi Groth-Helms from Agdia HQ in the US is attending alongside Salima Berkani (Agdia EMEA in France).

Along with attending various sessions, Debi & Salima presented posters on high-value diagnostics with genus-level field tests and participated in panel discussions.

Thank you to EPPO for organizing this important meeting to protect plant health!

Our team had a great time at ICBC in Berlin learning about global markets, meeting with clients and discussing how atten...
04/17/2026

Our team had a great time at ICBC in Berlin learning about global markets, meeting with clients and discussing how attendees can set up their own on-site pathogen monitoring program.

We even had the opportunity to demonstrate test some live samples right at the booth!

Until next year…

A new study published in Frontiers in Plant Science tracked viral infections in Passiflora edulis across South Korean fa...
04/10/2026

A new study published in Frontiers in Plant Science tracked viral infections in Passiflora edulis across South Korean farms over three years:

Four viruses were identified as the primary threats:
- East Asian passiflora virus (EAPV)
- Cucumber mosaic virus (CMV)
- Papaya leaf curl Guandong virus (PaLCuGdV)
- Euphorbia leaf curl virus (EuLCV)

Incidence rates climbed significantly with each additional year of cultivation. By year five, EAPV infection rates hit 30% — and infected plants showed serious declines in Brix, marketable fruit rate, and fruit count.

See the full publication here:

Passion fruit (Passiflora edulis) is a widely cultivated plant in the Republic of Korea, but its cultivation is impacted by a variety of viral diseases. This...

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