"Beetles that pee themselves to death could be tomorrow’s pest control"

Various beetle species have gobbled through grain stores and weakened food production worldwide since ancient times. Now, researchers at the University of Copenhagen have discovered a better way of targeting and eliminating these teeny pests. Instead of using toxic pesticides that damage biodiversity,…

Denomination of two new races of downy mildew in spinach

Two new races of the downy mildew pathogen (Peronospora effusa) on spinach have been denominated by the International Working Group on Peronospora in spinach (IWGP) on the basis of a worldwide evaluation of isolates from growers fields and trap nurseries. Isolate SP1924 found in Europe, is denominated as…

"Spider mites in tomatoes no match for Phytoseiulus-System"

Two-spotted spider mite can be a challenging and persistent pest in glasshouse tomato crops – but it’s no match for our Phytoseiulus-System. “The voracious predator Phytoseiulus persimilis eats all stages of the pest, getting hotspot quickly under control," says Biobest advisor, Nick Nagels. “Now…

Project seeks science-based interventions to persistent Listeria strains

Martin Wiedmann likes to compare produce facilities’ attempts to identify and manage resident strains of the foodborne pathogen, Listeria monocytogenes, as “seek and destroy”…

Walmart introduces restoring pollinator habitat program

Imagine mornings without orange juice or summer picnics without strawberries. Such a future is possible if we don’t take collective action to begin restoring pollinator…

EFSA presents data on pesticide residues detected in food

According to the latest report published by the European Food Safety Authority (EFSA), the non-compliance rate for pesticides in foods decreased in 2019. For 2019, 96.1…

ToBRFV: first trial results confirm high resistance level

In 2020, Enza Zaden announced the discovery of the tomato brown rugose fruit virus (ToBRFV) High Resistance gene, a complete solution for ToBRFV. Since the announcement, we've worked hard with resistant trials material achieving excellent results. “We see no symptoms at all in the plants, while the…

NZ: ToBRFV update

Following the early detection of the unwanted virus, the tomato brown rugose fruit virus in a small tomato seed lot last year, a group of growers, GIA industry partners, and Biosecurity NZ met in…

Hoverfly Eupeodes-System boosts aphid control in organics

"One single larva can eat up to 1000 harmful aphids"

Aphid control in organic crop production at Murgiverde SCA, in Andalusia, has been significantly improved following the addition of the new Eupeodes-System to the existing control strategy. Generalist predatorIndigenous to Europe, Eupeodes corollae is a generalist predatory hoverfly feeding on all…

Standard UV dose also effective against ToBRFV in drain water

Research performed by laboratory Groen Agro Control and Van Remmen UV Technology confirms the effective killing of Tomato brown rugose fruit virus (ToBRFV) in drain water by ultraviolet (UV) light. Tomato growers usually use a UV dose of 250 mJ/cm2 for the disinfection of drain water. That dose now also…

Photo by Heidi Lindberg, MSU Extension

Greenhouse disease and insect management recommendations for 2021

Michigan State University Extension has updated their insect and disease management recommendations for the 2021 greenhouse season. There have been some changes from the previous 2020 recommendations. These recommendations are updated yearly to reflect efficacy of pesticides as MSU Extension specialists…

New Delhi resistant zucchini variety launched

At the end of 2021, HM.Clause will complement its range of products with four new varieties of zucchini “NO-ND – New Delhi resistance”. They are specially designed for the Mediterranean region and they are suitable for diverse agronomic and climate conditions. Besides this strong resistance, the “NO-ND –…

Certis Europe expands with biostimulants

Certis Europe branch in Spain has reached a distribution agreement with the French multinational Agrauxine for the commercialization of its biostimulants in Spain. Agrauxine…

France: the Savéol cooperative on all fronts

Savéol has developed a range without pesticides for its tomatoes and complied with the requirements of the Agec ban from January 1st, 2022 by creating 100% cardboard…

"Economical and better biocontrol of aphids, mealybugs and Echinothrips"

By using an earlier phase of lacewing - the natural enemy of aphids, mealybugs, and Echinothrips – growers can now tackle these harmful pests more effectively and economically. Continuous R&D by leading biocontrol innovator, Koppert Biological Systems, has resulted in a new product marketed under the…

Current status and breeding perspectives

Study on the global dimension of tomato yello leaf curl disease

Tomato yellow leaf curl disease (TYLCD) caused by tomato yellow leaf curl virus (TYLCV) and a group of related begomoviruses is an important disease which in recent years has caused serious economic problems in tomato (Solanum Lycopersicum) production worldwide. Spreading of the vectors, whiteflies of…

Two new ToBRFV-contamination in the Netherlands

There are two new tomato companies contaminated with the Tomato brown rugose fruit virus (ToBRFV) in the Netherlands, as became apparent from a new status update from the NVWA…

Top Seeds International

The Galiano pepper showed its resistance to the extreme cold in Spain's January

Galiano, a pepper variety from Top Seeds International that is ideal for mid-late transplants, has successfully withstood the extreme cold weather that affected Spain in the first three weeks of January. The low temperatures wreaked havoc on agricultural companies, which saw their productions seriously…

"Optimum protection with ‘New Delhi’-resistant cucumber varieties"

The ‘New Delhi’ virus has been a serious problem for many cucurbit growers, especially in the Mediterranean region, for numerous years. Due to its high infection pressure and rapid spread, this disease poses a severe threat to cucumber crops. Rijk Zwaan is proud to introduce a solution for cucumber…

Crop protection with a vacuum cleaner?

People need clean and healthy food and greenhouse-grown vegetables are a very good way of supplying them. This food then has to be protected against a variety of insects that damage either the fruits or the whole plants. Modern growers avoid the use of chemicals and rely on beneficial insects. Micothon…

HortiPro

Improved signaling and monitoring of thrips with PheroThrip 2.0

The problems with various species of thrips have occupied the minds of many cultivations in recent years. Reason for HortiPro to invest in signaling and monitoring techniques…

Painted bug population in cruciferous plants reduced by using lure crops

An innovative research project, carried out by INIA La Cruz and La Platina, has served to identify the main lure crops that can be used to attract the painted bug (Bagrada hilaris) and keep it away from the main crop. Tests carried out in the fields Chile is a very important producer of horticultural…

VICTOR CALDERÓN/KAWC

Plant virus found in Yuma lettuce fields

A relatively common plant virus, known to infect over 600 species of plants has been found for the first time in some Yuma area lettuce fields.  The virus is called Impatiens Necrotic Spot Virus, or INSV and was found locally in early March, said Yuma Grower John Boelts, from Desert Premium Farms and 1st Vice…

"Go nature's way for stronger plants"

Plants need a healthy environment in which to grow. Soil fungi can be harmful to plants, as they may restrict proper root development and nutrient uptake. Growers make great efforts to protect young plants against these pathogens. Gadot Agro from Israel has developed a new formulation called Root-Pro™, which…

WUR

Organic pest control agents kept busy

Nowadays, organic pest control agents are a firm part of the greenhouse. Growers are eager to use armies of predatory mites, bugs and parasitic wasps in the fight against…

How to use a disease risk prediction model to control strawberry powdery mildew

The widespread use of protective tunnels for strawberry production in the UK has helped significantly reduce the incidence of grey mould caused by Botrytis cinerea. But their use has led to a corresponding increase in the incidence of powdery mildew in the crop. The warm, dry, but humid conditions that…

Agdia commercializes ToBRFV immunostrip to complete diagnostic suite

Agdia has added an ImmunoStrip to their Tomato brown rugose fruit virus (ToBRFV) diagnostic suite. Their ImmunoStrip for ToBRFV is the third diagnostic assay launched by Agdia in the first half of 2021 for the detection of this pathogen. Their high-specificity ELISA assay for ToBRFV was released on…

US and Canadian scientists intent on battling murder hornets

Scientists in the US and Canada are exploring new ways to fight so-called murder hornets as the giant insects begin establishing nests this spring. Last Wednesday, scientists…

"Take preventative action with challenging cucumber pests"

Cucumber growers know spring is the key time for thrips and whiteflies to start developing in crops. Biobest IPM & Pollination Specialist – Pascal Briand – explains why a preventative control strategy is best and how to achieve it. Problem pestsAs temperature rises in spring, whitefly populations can…

Study on effects of tomato leaf curl virus on growth and yield of tomato

The tomato crop is grown all over the world in both summer and winter seasons, and plant viruses are a major threat to tomato production. Among these viruses, tomato leaf curl…

Study on Crispr/CAS based detection for ToBRFV

CRISPR/Cas12-based detection is a novel approach for efficient, sequence-specific identification of viruses. Here the team adopts the use of CRISPR/Cas12a to identify the…

"Preventative spider mite protection in raspberries starts now"

When raspberry plants emerge from winter dormancy, two-spotted spider mites often quickly start appearing on the crop. Where crops are grown in plastic tunnels, Biobest advisor Gaby van Kemenade says now is the time to take action - with preventative introductions of Biobest’s…

New technology for optimized control of thrips and whitefly

Bioline Agrosciences is launching CART (Climate Adapted Release Technology) to further strengthen it’s commitment to growers and farmers and the environment. The technology has been applied to STARSKii, containing Amblyseiusswirskii, for optimized control of thrips and whitefly in multiple crops and…

Namibia: Locusts destroy crops in Kavango regions

In Namibia, large swarms of locusts have invaded fields in Kavango East and West over the weekend, destroying crops and other vegetation in their wake. Rundu rural…

New CGMMV resistance cucumber variety

The CGMMV has become a major threat worldwide. Last years DeRuiter constantly introduced varieties resistant to CGMMV, to support growers in their everyday work. In coming summer-autumn cycle, cucumber growers will have more variety of choices. DeRuiter launches Georgia, the new cucumber for France, with…

Stepping up the fight against Tuta absoluta in Kenya

Tomato is one of the key vegetables grown by farmers in Kenya for income. However, production is constrained by numerous factors with insect pests as the most important. Farmers tend to manage tomato pests with pesticide sprays but these have associated risks to the environment, food safety and the…

Spotlight on two-spotted spider mite

One of the world’s most widespread pests, red spider mite - Tetranychus urticae - can be found in all agriculturally important geographical areas. That tells us something about its polyphagous and cosmopolitan nature. “Commonly known as two-spotted spider mite (TSSM), it characteristically has two large…

Webinar on TBRFV

Science and institutions standing together for the future of horticulture

Science and the authorities addressed the intercontinental phytosanitary problem of the 'Tomato Brown Rugose Fruit Virus'. The webinar was attended by many operators in the sector, who had the opportunity to learn about the most recent developments in the field directly from the researchers involved in…

Mummy berry: genomics reveals how a blueberry pathogen deceives pollinators

Blueberries face a scourge. Like many crops, they are under constant attack by fungal infections, which jeopardize harvests, increase costs and labor, and threaten food security. For blueberries, one deceitful foe is the aptly-named mummy berry disease. Caused by the fungus Monilinia vaccinii-corymbosi,…

Preventing tomato brown rugose fruit virus: grower perspectives

With six confirmed outbreaks of ToBRFV in the UK since 2019, it is absolutely key that growers remain vigilant in their avoidance of this virus. It is also crucial to make…

Russia lifts ban on tomato imports from two Uzbekistan regions

Federal Service for Veterinary and Phytosanitary Surveillance Rosselkhoznadzor has again permitted imports of tomatoes from six Uzbek ventures, starting March 3. The imports…

UV system means ‘lights out’ for strawberry pathogen

When the light goes on, it’s lights out for a ruinous strawberry pathogen. Just imagine this: Pulling an ultraviolet lamp behind a tractor out into your farm in the middle of the night, pointing the UV light at the strawberries and zapping powdery mildew right out of the leaves and fruit. That’s the idea…

Measuring tomato vulnerability to molds in ripe tomatoes

"As fruits ripen, they become more attractive to molds"

Each year, roughly 25 percent of the fruits and veggies produced across the globe are lost due to fungal diseases. In fleshy fruits, like tomatoes, this issue is more pronounced, especially as they ripen. Researchers from the Blanco Lab at the University of California, Davis, in collaboration with…

Spelling bad news for farmers

Brown marmorated stink bug spotted in UK for first time

The brown marmorated stink bug, a pest from Asia, has been spotted in the UK for the first time, which is quite discomforting for growers across the country.  The stink bug originates…

Keeping spider mites at bay in aubergines

Spring is the time when spider mites often appear in aubergine crops. To keep this pest effectively controlled, we recommend using a combination of the predatory mite Phytoseiulus-System together with the gall midge - Feltiella-System. Highly mobile, this gall midge plays a valuable role by actively…

Canadian study shows dramatic effect of neonicotinoids bees

"Pesticide threatens future for key pollinator in greenhouse"

An insecticide used to control pest infestations on squash and pumpkins significantly hinders the reproduction of ground-nesting bees — valuable pollinators for many food crops, a new University of Guelph study has revealed. This first-ever study of pesticide impacts on a ground-nesting bee in a…

Continuously monitoring thrips and whitefly

Whitefly and thrips are widespread major agricultural pests of various vegetable, ornamental and field-grown crops. Key species include the sweet potato whitefly Bemisia tabaci, Thrips tabaci and the western flower thrips Frankliniella occidentalis. Capable of causing extensive damage, these pests can…

Net Lab project against ToBRFV

There is important news concerning the fight against ToBRFV from the University of Palermo, which is taking part in the "Net Lab" project financed by the Regional Department for Agriculture. "We have reached a turning point, because we have finally figured out a way to perform low-cost constant monitoring by employing…

"Hunting season starts early with Anso-Mite"

Thrips has a powerful new enemy - Anso-Mite® - or Amblyseius andersoni by its scientific name. Leading biocontrol innovator, Koppert Biological Systems, now has a predatory mite that is active at lower temperatures, making it suitable for use right at the start of the growing season. This generalised…

Study on polysulfides applied as formulated garlic extract to protect tomato against root-knot

The devastating root-knot nematode Meloidogyne incognita can cause severe damage to field and greenhouse crops. Due to high economic losses, alternative products are essential…

Locusts threaten food security in high-value horti regions of Kenya

Thousands of farmers in Meru county are counting huge losses as desert locusts are ravaging their  farms daily. The locusts come at a time when most of the produce grown in eastern Kenya is ready to be harvested. These farmers are among hundreds of thousands from 14 other Kenyan counties who are affected by…

No substantial crop losses

Cold weather will likely cause a delayed peak for Louisiana strawberry season

Texas wasn’t the only state hit hard by the winter weather this month. Louisiana, while it didn’t see the snowstorms Texas did, saw temperatures well below freezing. For the strawberry growers who are concentrated around the southeastern part of the state, this has caused some losses, but since the…

MSU research team receives grant to evaluate cost of new blueberry pest management

A team of researchers from Michigan State University has received a $325,000 grant from the U.S. Department of Agriculture’s National Institute of Food and Agriculture to examine the effectiveness and cost of new blueberry pest management approaches. The project is led by Rufus Isaacs, a professor in the…

Study uses CRISPR gene editing to study function of insect salivary enzyme

Like a scene from a horror movie, tomato fruitworm caterpillars silence their food plants' cries for help as they devour their leaves. That is the finding of a multidisciplinary team of researchers, who said the results may yield insights into the abilities of crop plants—such as tomato and soybean—to…

Growertalks

Best practices for biocontrols

Let’s say you’ve figured out which biocontrol agents (BCAs) to use for the various insect and mite pests on your greenhouse crops, found a reputable supplier, ordered the correct quantity of the BCAs, and they’ve been shipped and should be arriving at your green-house at the perfect time. These are all critical steps toward…

Sterile insect technique to control emerging global invasion of a Drosophilid fruit fly

Taking flight between rows of crops inside a greenhouse, the Spotted Wing Drosophila (SWD), Drosophila suzukii, lands on blossoming berries, infesting the fresh produce and causing irreparable destruction. Unlike other Drosophilidae that thrive on harvested and decaying fruits, SWD has a penchant for…

Interview with virologist Walter Davino:

"Grower remains the weak link in fighting ToBRFV"

The first announcement of the presence of ToBRFV in Italy dates back to January 2019, thanks to an interview we carried out in Vittoria (RG), Sicily, where Walter Davino, professor of Plant Pathology at the University of Palermo, explained the possible catastrophic consequences of this virus for tomato…

Asperello® T34 Biocontrol™  granted label expansion

"Label expansion means more US crops to benefit"

The biofungicide Asperello® T34 Biocontrol™ has been granted label expansion in the US to cover an array of field-grown and protected crops. “Growers from across the US had waited patiently for this,” says Veronica Cervantes, Biobest Product Manager for Microbials in North America. “They wanted access to…

Stevia: managing EC to prevent foliar damage

Stevia (Stevia rebaudiana) has gained popularity as an alternative sweetener due to high glycosides concentrations. In warmer climates (USDA zones 9-11), it is a perennial herb, but it will not overwinter in colder climates, however it is treated like an annual. Greenhouse growers have been producing…

Partnership for first biologicals collaboration in Brazil

Corteva Agriscience and Simbiose Agro, the largest producer of microbiological technologies in Brazil, announced today a multi-year collaboration benefiting Brazilian farmers. Working closely together, the two companies will commercialize and develop Simbiose’s portfolio and pipeline of biostimulants and…

ToBRFV introduction prevented in New Zealand

Early detection of an unwanted virus – the Tomato brown rugose fruit virus (ToBRFV) – in a small tomato seed lot has allowed quick action to be taken to contain and prevent it…

German govt approves legislation to ban glyphosate starting 2024

German growers will have to gradually reduce their use of glyphosate and stop using it completely, starting 2024 in order to preserve clean habitats for insects. Growers have…

Domestic green bean production contends with cold fronts

Supplies of green beans are steady though they are building as domestic production gets going. Supplies of green beans are coming out of Mexico and Florida. Currently, Tony Martinez of Primo Trading Services LLC in McAllen, TX notes that Primo is receiving supplies out of Mexico where the Gulf and Pacific…

© Ukrphoto | Dreamstime.com

Study on impact of humidity and water availability on life history of predatory mite

The predatory mite Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) is currently used as an efficient biological control agent of thrips, whiteflies and spider mites, which are economically damaging pests of ornamental plants and vegetable crops grown in greenhouses and fields worldwide.…

Giuseppe Licitra of Marina Iblea

"Horticulture 20 or 30 years ago didn't have to deal with the problems we are struggling with today"

"After a start of the year marked by a recovery, which was actually quite brief for some vegetables like courgettes and eggplants, we are now seeing a general downturn, which also includes date tomatoes. However tomatoes are maintaining good quotations," said Giuseppe Licitra, administrator of the…

Successful removal of cucumber virus CGMMV

Viruses cause headaches to many fruit and vegetable growers. A well-known current example is the Tomato Brown Rugose Fruit Virus (ToBRFV), which has already claimed quite a number of victims internationally, looking at affected farms in the greenhouse horticulture sector. Although the virus does not pose…

Stevia: high substrate pH induced iron chlorosis

Stevia (Stevia rebaudiana) has gained popularity as an alternative sweetener because it contains glycosides that are up to 300 times sweeter than white cane sugar. In warmer climates (USDA zones 9-11), it is a perennial herb, but it will not overwinter in areas with more severe winters and in those…

Study on identification of quantitative trait loci controlling field resistance to downy mildew in cultivated lettuce

Lettuce downy mildew, caused by Bremia lactucae Regel, is the most economically important foliar disease of lettuce (Lactuca sativa L.). The deployment of resistant cultivars…

UK counted 5 ToBRFV outbreaks in 2020

There have been six outbreaks of tomato brown rugose fruit virus (ToBRFV) in commercial tomato production sites in England, one in 2019 and five in 2020. The outbreak site…

PMA Virtual Town Hall

Applying root cause strategies to the produce industry

This week’s PMA virtual town hall discussed putting root-cause strategies into the hands of the produce industry when it comes to investigating, but ultimately preventing, events such as mass recalls of produce. The town hall was moderated by Trevor Suslow, produce safety consultant with the PMA and…

Creating strong strawberries for higher production

Strawberries have been a valuable crop for many years, but not without escaping disaster along the journey. In the 1950s, America’s strawberry production was being ravaged by a root-rotting fungus known as red steele. "THe USDA's Agricultural Research Service (ARS) came to the rescue, saving the industry…

© Liz Albro | Dreamstime.com

Study on effects of light quality on leaf growth for aquatic vegetable

Brasenia schreberi J. F. Gmel, a perennial floating-leaved macrophyte with high economic value as an aquatic vegetable, has been listed as first-class endangered species in China, mainly due to its habitat loss. Protected cultivation is a potential strategy to meet the demand of both plant conservation…

Bioplanet

Useful insects for residue-free produce

Growing bell peppers, eggplants, zucchini and tomatoes is complicated as parasites are increasingly specific and retain chains are stricter and stricter when it comes to residue levels. Bioplanet from Cesena promotes control using useful insects, as results are positive.  "In Sicily, we work with useful insects 12…

Crop protection company launches web platform

AgBiTech, a crop protection company focusing on science-based biological crop protection has launched its websites detailing its products, activities and partnerships in…

Study on viruses becoming plant protector of host under drought

In a fascinating discovery, a widespread virus that usually harms plants from the cabbage family, such as broccoli and cauliflower, has been seen actually benefiting its hosts in times of crisis. During periods of drought, researchers have found the turnip mosaic virus can switch from a hindrance to a…

"Advanced biocontrol of spider mite"

Koppert Biological Systems has improved its top selling Spidex for growers worldwide. Predatory mites in more different stages of development prolong and dramatically increase their effect on spider mite infestations. For growers in the USA, the Netherlands, Mexico and Canada Spidex Vital will be…

Leia Nargi

"Gene banks important tool for crop diversity"

An efficient way for a person to procrastinate for many hours is to noodle around in the U.S. National Plant Germplasm System (NPGS). The NPGS is a vast online database, a version of which first went into use in 1983, cataloging all the seeds and other germplasm collected and housed in USDA gene banks in…

Study on management of cucumber mosaic virus through organic and inorganic extracts

The cucumber mosaic virus is one of the most devastating and widely distributed pathogen. This was successfully transmitted to indicator plants (chili, tomato and chenopodium)…

"Monitoring is essential to stay ahead of pepper pests"

From the start of a pepper crop it is best to give pests as little opportunity as possible to develop – according to Biobest advisor, John van Eijk - from the Netherlands. He advocates introducing sticky traps from the start. “Most growers opt for a chemical spray cycle at the start. After that, we…

Tomato growers explore new sensor tech to boost yield

Tomato growers across the UK are collaborating with researchers to explore new sensor technology which could significantly boost yields. The research aims to achieve a…

NVWA

Four tomato growers still infected with ToBRFV even after replacing crops

A total of 5 tomato growers, worth over than 39 hectares of greenhouse production, have successfully combatted the Tomato brown rugose fruit virus (ToBRFV) in the Netherlands. Previous contamination has also been successfully tackled at a plant grower. Measures are in force at 4 growers who received…

Research shows: ozone kills ToBRFV in drain water

Disinfecting drain water with ozone very effectively eliminates the presence of Tomato Brown Rugose Fruit Virus (ToBRFV). This is the conclusion of Groen Agro Control after research in its laboratory. The news is a boost for tomato growers and plant breeders. They can use this disinfection method to…

Vicent Mañez, head of the innovation area: "This project puts us at the forefront of the sector"

Agromediterranea will launch live lettuces without phytosanitary treatments

Agromediterranea, a company of the Foodiverse group that specializes in the production and distribution of vegetables, has launched an innovation project to offer its customers live lettuces, that keep their roots so that consumers have access to a fresher and cleaner product. "In addition, these crops…


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