Crop Protection

Kemin Crop Technologies

"We are the inside"

Enhancing plants’ natural potential in their natural habitat

“We are the inside,” says Emily Fuerst, R&D Director of Kemin Crop Technologies. This is a division of Kemin Industries, a privately held, family owned business which started in 1961 in Des Moines, Iowa. The company is now globally present, with over 2,500 employees and R&D facilities worldwide,…

Biobest:

"Keep on top of whitefly by deploying Eretmocerus-System as temperatures soar"

Getting good control of whiteflies can prove more challenging at higher temperatures. In a wide range of crops - from roses and poinsettias to tomatoes and sweet peppers - control strategies centre on two parasitic wasps, Encarsia-System (Encarsia formosa) and Eretmocerus-System (Eretmocerus eremicus)…

UF/IFAS

Scientists to study crippling tomato disease to lay groundwork for prevention

A destructive disease known as bacterial spot can ruin tomatoes anywhere it strikes. That’s why University of Florida scientists want to understand how the pathogen that causes the disease spreads and evolves on farms. A couple of quick statistics illustrate the importance of tomatoes to Florida’s…

New research reveals antifungal symbiotic peptide in legume

Fungal diseases cause substantial losses of agricultural harvests each year. The fungus Botrytis cinerea causing gray mold disease is a major problem for farmers growing strawberries, grapes, raspberries, tomatoes and lettuce. To mitigate the problem, they often resort to applying chemical fungicides…

"The use of disinfectant also has some drawbacks"

It is almost time for growers to rotate their crops, which goes hand in hand with a big clean-up of their greenhouses. That is why the industry is giving out several messages with tips and advice, including the use of disinfectants to combat mould and viruses. Unfortunately, these practices are not…

Powdery mildew detection with mobile machine vision system

Strawberry cropping system relies heavily on proper disease management to maintain high crop yield. Powdery mildew, caused by Sphaerotheca macularis (Wall. Ex Fries) is one of the major leaf diseases in strawberry which can cause significant yield losses up to 70%. Field scouts manually walk beside…

US: OHP's Segway O label expands to include veggies and herbs

OHP announces a label expansion for the greenhouse and nursery fungicide Segway O that allows the product to be used for control of pythium, phythophthora, and downy mildew on certain greenhouse-grown vegetables and herbs transplants. "We wanted to give users more flexibility with Segway O because of the…

Russia takes measures to keep out ToBRFV

A new problem for the domestic greenhouse vegetable growing – tomato brown rugose fruit virus (ToBRFV). Presently, the threat of bringing ToBRFV into the territory of the…

Plant disease and pest management in the commercial greenhouse

A commercial greenhouse or indoor farm are the perfect space for growing all manner of plants, however, this space is also perfect for the harboring of pests and disease as…

By Gropro AG

Biostimulant for higher yield and securing bee population

GROPRO announces launching a new Bio-Stimulant - 'Awakening Pollination' - which stimulates the plants' natural processes to enhance flower development while increasing stamen hold and pollinator activity. This in turn increases total flower pollination ensuring overall plant yield increases. The primary…

Host specificity of endophytic fungi in tomato

To understand the distribution of the cultivable fungal community in plant tissues from nature farming tomato plants, in a recent study researchers sampled plants of seven different tomato cultivars and recovered 1742 fungal isolates from 1895 stem tissues sampled from three sites in Japan. Overall, the isolation…

Disinfecting with ToBRFV: "Do not hold back, keep things thoroughly drenched"

No grower wants contamination, but in spite of the best precautions it is still possible that the Tomato Brown Rugose Fruit Virus (ToBRFV) strikes. By now, there is experience with good disinfection and 'cleaning' the greenhouse again. The motto is: clearing everything out, cleaning the entire greenhouse…

Endophyte may protect tomatoes from Tuta absoluta pest attack

Trials in Brazil suggest seedling inoculation with the entomopathogenic fungus Beauveria bassiana could be a viable commercial option for marketing pre-colonized tomato plants ‘resistant’ to the tomato leaf miner Tuta absoluta. Endophyte colonization has for some years been considered as a possible…

Biobest

Strategies for aphid control in sweet peppers

For the first time, sweet pepper growers in Belgium and The Netherlands have to fight aphids without the help of Plenum. To optimise control, Biobest advisor Marvin Koot recommends growers combine different biological aphid control agents. “Aphids have risen a few places up the list of most challenging…

Netherlands: Imported tomato and pepper seeds to be tested for ToBRFV

Commissioned by the NVWA (Netherlands Food and Consumer Product Safety Authority), from mid-July imported batches of tomato and pepper seeds will be tested at random for…

Czech tech company and university develop smart plant monitoring and protection system

A new project called Berabot emerged from a cooperation of tech group NWT and Tomas Bata University in Zlin, Czech Republic. A third important team member is the biggest greenhouse farm of the Czech Republic – Farma Bezdinek. NWT has many years of experience in building production greenhouses as well as running…

cucurbit downy mildew

Population analyses reveal two host-adapted clades of Pseudoperonospora cubensis

Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew, is an airborne, obligate oomycete pathogen that re-emerged in 2004 and causes foliar disease and yield losses in all major cucurbit crops in the United States. Approximately 60 species in the family Cucurbitaceae have been reported as…

UF/IFAS

Specialty pepper with better root-knot nematodes resistance

Bell peppers make for a delicious snack. Among additional choices, you can add them to sandwiches and pizzas, as they’re tasty and full of vitamin C, making them a popular vegetable. As a $235 million-a-year business in Florida, bell peppers are also an important crop, especially in the southeast and…

Nematodes established solution for Nesidiocoris in France

Koppert’s nematode product, Capsanem, is considered the ‘reference’ solution against Nesidiocoris tenuis in France; especially this year when the pressure is really high, with Nesidiocoris showing up in crops from February onwards, which is really early. Nesidiocoris tenuis is a bug that has been a…

New pospiviroid testing protocol for tomato and peppers

A new testing method for six pospiviroids in tomato and pepper seeds was recently approved by the National Seed Health System’s Policy & Procedures Advisory Board. The new NSHS approved method, developed by collaborators from Bayer Crop Science and the ISU Seed Science Center, will be added to the NSHS…

Rutgers University

Fighting plant diseases in New Jersey

There are various plant diseases that can do great damage to crops. Here are four with description of how they overwinter and what kinds of host plants they have.  Cucurbit downy…

webinar, July 16

Control, eradication and preparedness for exotic leafminers in Australia

Production nurseries are encouraged to attend a webinar on exotic leafminers that will be held on Thursday, 16 July 2020, to provide growers with an update on incursion risk,…

Bioplanet launches phytoseiidae against the tomato red spider mite

Useful bugs come from the sky

The fight against the red spider mite in the tomato industry is made possible thanks to useful insects launched by drones on a few hundred hectares in Emilia Romagna, between the provinces of Piacenza, Reggio Emilia and Ravenna. The project is carried out by Bioplanet, together with an Italian company leader in the drones…

Michigan State University

Managing cucurbit diseases with research and outreach

Rebecca Grumet has dedicated her career to assisting specialty crop growers as an expert in reproductive development and disease resistance in cucurbit crops such as cucumbers, melons, squash and watermelons. MSU researcher Rebecca Grumet (left) with a student in the lab Michigan agriculture boasts more than…

Emamectin benzoate works against tomato leafminer

The tomato leafminer, Tuta absoluta, is considered the most devastating tomato pest in Egypt. It has been reported in Egypt since 2009, quickly becoming one of the major pests of the tomato crop. The damage is produced when the larvae feed on the leaf mesophyll expanding mines, thus affecting the…

First company in the world to obtain market approval for insect-based fertilizer

Ÿnsect has just gained approval for its natural insect fertilizer “ŸnFrass” issued by ANSES, the French Agency for Food, Environmental and Occupational Health & Safety. Ÿnsect thus becomes the first company in the world to obtain certification and marketing approval for a natural insect-based fertilizer.…

Macrolophus targets spider mite

Biobest's Macrolophus-System, containing the highly efficient Macrolophus pygmaeus predatory bug, is well established for controlling whiteflies and Tuta absoluta in tomato crops. However, growers should be aware that Macrolophus can also help provide effective control of spider mites.  To help optimise control of this widespread…

from UF/IFAS Extension Greenhouse Training Online:

New videos on 1 to 5 moisture scale for container substrates

Communication on when and how much to irrigate is critical in the production of high quality, uniform plants. The University of Florida IFAS Extension has developed short and simple videos in English and Spanish (“The 1 to 5 Moisture Scale for Container Substrates” / “La Escala de Humedad de 1 a 5 para…

Physiological and biochemical impacts of salt stress

Climate change is causing soil salinization, resulting in crop losses throughout the world. The ability of plants to tolerate salt stress is determined by multiple biochemical and molecular pathways. In a recent study, physiological, biochemical, and cellular modulations in plants in response to salt…

"Locust swarms emphasise the need for controlled environment agriculture"

Outbreaks of locust swarms in Africa, Asia and the Middle East have epitomised the essential need for indoor farming. Unseasonal rains caused by global warming, have aided the spread of desert locusts which would normally have died out in the dry season. Ethiopia and Somalia are currently experiencing…

Camille Picard (EPPO)

ToBRFV found in Poland, three new outbreaks reported in the UK

The NPPO of Poland recently informed the EPPO Secretariat of the first detection of tomato brown rugose fruit virus (Tobamovirus, ToBRFV – EPPO Alert List) on its territory. A sample of tomato (Solanum lycopersicum) grown in a greenhouse (1 ha) in the municipality of Barczewo (province of…

from Biobest Turkey

Award-winning Mavruz uses biological control

Located in the Can district of Canakkale, in North West Turkey, the heating requirements for the Mavruz greenhouse are supplied by a nearby ceramic tile factory. Waste heat from the factory chimney, which is 99% vapour, is transferred via a heat exchanger to the water. By means of a closed-circuit…

$66 million in funding for products that enable farmers to protect crops from pests and diseases

Aiming to kick-start the crop protection industry’s stalled R&D pipelines to develop novel, safer products for the global farming community, Enko Chem Inc.(Enko) today…

'Hopeful' test result confirms Cindro's hypotheses:

Is plant resistance to tomato russet mite possible?

Growers are now experiencing a gap between difficult-to-read technical studies, the banning of chemical agents and practice: the need to be able to carry out large-scale production in an efficient and sustainable manner with green resources. In this context, research has been carried out on the…

"Innovative combinations increase effectiveness"

Sustainable technologies against salinisation, algae growth and water scarcity

Water scarcity and soil salinisation are major problems in many parts of the world. In many countries, people lack the resources to access new water sources or to effectively treat and reuse it. Today we know working with chemicals is far from future proof. In contrast, the application of sustainable…

Pestnet

Efficacy of fluazinam against cucumber target spot

Cucumber target spot, caused by Corynespora cassiicola, is a devastating fungal disease in greenhouses in China. Lack of resistant cultivars and unscientific use of fungicides aggravated the difficulty to manage this disease. In recent years, resistance of C. cassiicola to benzimidazoles, quinone outside…

Adama Spain and Plant Response close distribution agreement on biostimulant Neptunion

ADAMA and Plant Response signed an exclusive distribution agreement for the biostimulant Neptunion. ADAMA Spain will distribute the product developed by Plant Response.…

Biosecurity New Zealand

Tomato red spider mite – response stand-up

Two populations of the tomato red spider mite (Tetranychus evansi) were found on nightshade plants near Auckland Airport and in Pakuranga as part of routine surveillance several weeks ago. Under the Government Industry Agreement for Biosecurity Readiness and Response (GIA), Biosecurity New Zealand is…

Bayer

Bayer pays over $10 billion in Roundup settlement

Bayer announced a series of agreements that will substantially resolve major outstanding Monsanto litigation, including U.S. Roundup product liability litigation, dicamba drift litigation and PCB water litigation. The main feature is the U.S. Roundup resolution that will bring closure to approximately…

Viruses in intensive horticultural crops; new challenges for sustainable agriculture

The epidemiological dynamics followed by viruses in protected horticultural crops in the Mediterranean Arc of Spain has evolved from a majority of those transmitted by aphids to the predominance of whitefly-transmitted ones. Later, due to the shift towards an integrated control that has been quite…

"Certain varieties in semi-commercialized promotion stage"

"Big development in Chinese tomato breeding industry"

“The current acreages dedicated to tomatoes in China are about 16 million mu, of which more than 9 million mu are for pink tomato, a main product that we breed. Currently, pink tomatoes in the north mainly face diseases where the whole plant becomes dead or where new leaves turn yellow. Against this…

In Germany, the focus is on the large-scale distribution sector

From 28 June more attention needs to be paid to fruit and vegetable residues

The analyses concerning the detection of chlorate and perchlorate residues in fruit and vegetables have proved even more necessary, as legal limitations will be mandatory at a European level with effect from 28 June 2020 for chlorates, and from 1 July 2020 for perchlorates. Currently there are two…

Fusarium oxysporum f. sp. lactucae is a threat to lettuce in Florida

Florida is the third largest producer of lettuce in the US. In March and April 2017, lettuces exhibiting signs of wilt and chlorosis were observed in commercial fields in Florida’s Everglade’s Agricultural Area, indicating infection with Fusarium oxysporum f. sp. lactucae (FOL). Affected fields were…

Leon Schrijnwerkers:

"I don't want weeds in my nursery"

Recently an industrial floor sweeper was delivered to Schrijnwerkers. Schrijnwerkers is one of the largest blueberry plant nurseries in Europe. Located in Overloon, the Netherlands, it consists of a five hectare container field and a five thousand m2 greenhouse in which multiplication and propagation of…

Friendly fungi benefit 80% of all plant species

Mycorrhizae are beneficial soil organisms used in all kinds of crops to help maximize plant performance. The company Mycorrhizal Applications produces and researches commercial mycorrhizae. The company has 25 years of experience helping growers of all kinds adopt this symbiotic technology.  Through various…

Newly discovered plant gene could boost phosphorus intake

Researchers from the University of Copenhagen have discovered an important gene in plants that could help agricultural crops collaborate better with underground fungi—providing them with wider root networks and helping them to absorb phosphorus. The discovery has the potential to increase agricultural…

Nucleotide diversity in Alternaria species

Early blight (EB) and leaf blight are two destructive diseases of tomato in North Carolina (NC), caused by Alternaria linariae and A. alternata, respectively. During the last decade, EB caused by A. solani has increased in potato-producing areas in Wisconsin (WI). In a recent study, 152 isolates of three…

Bioinsecticide recognized with EPA green challenge chemistry award

Vestaron Corporation’s bioinsecticide SPEAR has earned recognition from the Environmental Protection Agency via its Green Chemistry Challenge Awards Program.  Since 1996, the EPA…

Wednesday June 24, 9 AM UTC

Webinar on growers preventing diseases etc. by using automatic retractable roof houses

Recognise the problems below, and wish to have clear strategies to reduce or prevent them from occurring? This upcoming Cravo webinar will be valuable to you if want: strategies to prevent these problems instead of becoming an expert on treating the symptoms year after year a better understanding of how light…

"More calcium in the cell walls makes the fruit stronger and prevents micro-cracks"

Bluestim has been part of Biobest's product range for several years now. “This natural and powerful product reduces the effects of abiotic stress. It does this by improving the transport of nutrients, including calcium. More calcium in the cell walls makes the fruit stronger and prevents micro-cracks.…

Precision injection system for plants

Microneedles made of silk-based material can target plant tissues for delivery of micronutrients, hormones, or genes. A new method developed by engineers at MIT may offer a starting point for delivering life-saving treatments to plants ravaged by such diseases. These diseases are difficult to detect…

1346 tonnes - Global operation Silver Axe

Record number of illegal pesticides taken off the market in 2020

Europol coordinated the fifth edition of operation Silver Axe which saw twice the amount of illegal products seized compared to last year’s operation. The yearly law enforcement operation, which targets the counterfeit and illicit trade of pesticides, took place between 13 January and 25 April and…

After discovering traces of pesticides Beton Studio

Cambodia: Customs at Chrey Thom border ban six vegetables from Vietnam

The General Department of Customs and Excise mobile team at Chrey Thom International Checkpoint in Cambodia’s  Kandal province has decided to ban imports of six types of vegetables…

Non-chemical methods for root-knot nematode management in protected tomato cultivation

Protected cultivation technology helps to cope up with the climatic uncertainties and is lately becoming farmer’s choice for production of crops like tomato, capsicum and cucumber. Among the different pathogens attacking tomato grown under protected structures, root knot nematode is increasingly becoming…

Dutch authorities advise experimental research into effectiveness of steaming

Dry heating ToBRFV cultivation waste less effective than wet heating

Greenhouses are cleared where the Tomato brown rugose fruit virus (ToBRFV) is found. But that is not the end, because how do you remove the virus from substrate slabs? This is the subject of a lot of research, because too little is known about it. In case of doubt, ToBRFV cultivation waste is now…

Idai Nature is at the forefront of European innovation in biocontrol

Idai Nature has considerably increased its innovative potential and is currently developing products based on botanical extracts with a biofungicide, biobactericide and bioinsecticide effect. Many of the research projects carried out at the moment are international in scope. This is the case of the LIFE…

Future challenges to plant protection product availability in Australia

Hort Innovation have been funding a multi-industry project MT17019 – Regulatory Support & Coordination, focused on issues relating to chemical access for horticultural industries. The project is managed by a nationally recognised expert on pesticide regulation and risk assessment. Kevin has more than 35…

US: Additional actions to safeguard agriculture against ToBRFV

USDA’s Animal and Plant Health Inspection Service (APHIS) is working with State departments of agriculture and producers to conduct a ToBRFV survey of commercial greenhouses that produce tomatoes. APHIS and cooperators are also putting in place official control measures to further safeguard U.S.…

"A sand filter doesn’t filter out pesticides from the water”

Using ditch water for the irrigation of crops does not come without risks. This should not come as a surprise, but when there is so little rain that even ditch water starts to…

Scarab Solutions

Humans still vital: The state of AI image analysis for crop pest and disease management

Technological advancements in pest and disease scouting are transforming a labor-intensive sector into a more efficient, data-driven version of itself. Now, as artificial intelligence (AI) is beginning to be developed to aid crop production, growers must be more critical than ever in assessing the…

Keep an eye out for thrips

Thrips are still causing problems. They appear both in and outside of the greenhouse. Because plants go around the globe, new types of thrips find their way to Dutch greenhouses. Growers need to stay…

Viruses in irrigation water

The conversation and discussion on the topic of viruses has now become more pertinent than ever, not only in human health, but also in the vegetable cultivation sector. Diseases caused by the Cucumber Green Mottle Mosaic Virus (CGMMV) has been plaguing the Dutch cucumber cultivation sector for years and it also seems like the…

Putting the grower first in crop protection

The goal of a Texas based horticultural technology start up is to help the world thrive with healthier harvests, and to help growers reach that goal John Appel, president of Verano365, and Dave Coorts, technical director, talk about their products, and how they complement each other. Several new products…

ARS takes on the Asian giant hornet

An Agricultural Research Service (ARS) scientist in the Pacific Northwest has joined the hunt for the infamous Asian giant hornet (AGH) — a threat to honey bees in its native territory that could also endanger honey bees in the United States if it becomes established here. AGH is also a health concern for people…

US: Federal order for imports of tomato and pepper hosts of ToBRFV

Effective June 5, 2020, after issuance of a federal order, the USDA’s Animal and Plant Health Inspection Service (APHIS) is amending the restrictions for the importation of…

NZ: Tomato red spider mite found in Auckland

Two small populations of an unwanted horticultural pest, the tomato red spider mite (Tetranychus evansi), have been found by Biosecurity New Zealand (the biosecurity arm of the Ministry for Primary Industries) on nightshade weeds at two Auckland locations during routine and follow up surveillance.  Biosecurity…

Safeguarding an indoor grow from pests

Pests have been a problem for farmers since the dawn of time. Growing nutritious plants is a veritable buffet for insects. In the past, growers were limited to crop dusting with harmful chemicals. But things have changed, at least for some.  One of the best ways to prevent pests is by taking your grow operation…

Italian tomato grower’s testimonial

"Nematodes significantly reduce Tuta larvae"

While the spread of Tuta absoluta continues to seriously damage tomato crops worldwide, Italian greenhouse tomato grower and technician, Vittorio Zoboli, confirms that Koppert’s nematode-based product Steinernema feltiae has significantly reduced these destructive larvae in his crop. ‘This is the first year…

New dates for International Plant Health Conference

The government of Finland has confirmed the arrangements for the International Plant Health Conference (IPHC). The IPHC will take place in Helsinki, Finland, at the Paasitorni conference centre, from June 28 to July 1, 2021.  Further updates can be found on the International Year of Plant Health website and…

PGPR modulation of secondary metabolites in tomato infested with Spodoptera litura

The preceding climate change demonstrates overwintering of pathogens that lead to increased incidence of insects and pest attack. Integration of ecological and physiological/molecular approaches are imperative to encounter pathogen attack in order to enhance crop yield. A recent study aimed to evaluate…

University of Sheffield

Scientists develop ‘probiotics’ to help plants fight disease without pesticides

Enhancing a plant’s immune system with ‘probiotics’ could help it to fight off pests and diseases without the need for pesticides, according to scientists at the University of Sheffield. At the university's Institute for Sustainable Food a study was launched, funded by a £1.5 million grant from the…

Fusarium resistance: from breeding to commercial varieties

In 2019, Rijk Zwaan became the first vegetable breeding company to introduce three cucumber varieties with Fusarium resistance. Last season, growers in various countries gained experience with these ‘For Defense’ varieties. Jaime Jimenez from San Agustín (Almería, Spain) grew Forami RZ. “It was a…

US (PA): Plant pathologists to investigate lettuce disease

Plant pathologists in Penn State’s College of Agricultural Sciences are lending their expertise to a multi-institutional research project designed to stop a destructive bacterial disease in lettuce. The project, which is being led by the University of Florida’s Institute of Food and Agricultural…

Bayer Crop Science increases its sales in Spain thanks to new biological solutions

In 2019, Bayer's sales to customers in Spain were worth 693 million Euro; 3.3% more than in 2018. One of the most important increases was achieved by the Agriculture (or Crop…

Controlling aphids with Eupeodes-System

Growers of protected vegetables, fruit and ornamental crops have a new weapon against aphids. Biobest launches the Eupeodes-System from the beginning of June. The hoverfly Eupeodes corollae boosts aphid control. “With the increasing loss of chemical crop protection products, Eupeodes-System is set to…


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