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Crop Protection


Strawberry crinivirus 3 and strawberry crinivirus 4 reported in China

Strawberry (Fragaria × ananassa) is grown in almost all regions of China. As a result of the rapid expansion in cultivation in recent years, China has become the world's largest strawberry producer (Wu et al., 2009). In the past several years, viral diseases have emerged as a serious threat to strawberry.....

US (MD): Crops affected by tomato pith necrosis

In the last week, tomatoes from different counties in Maryland were found with the same unusual disease symptoms, called tomato pith necrosis. All the problem tomatoes were from early planted fields. Tomato pith necrosis is caused by the soilborne bacterium Pseudomonas corrugata. It has occurred infrequently.....

US (MD): Cucurbit downy mildew found in Dorchester County

Cucurbit downy mildew was confirmed on cucumber in Dorchester County, Maryland. This is the first report of CDM in the mid-Atlantic region this growing season. All cucumber growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout.....

UK: Novel spore trap could revolutionise crop disease monitoring

An automated spore trap has been developed which could revolutionise disease monitoring in agricultural crops.The device, which was developed as part of an AHDB project led by Rothamsted Research, provides near real-time information on the presence of airborne spores and could potentially help farmers target.....
18 infections in total now

NL: Tomato chlorosis virus found at 7 more nurseries

The Dutch Food and Consumer Product Safety Authority (NVWA) has, in the outbreak investigation of the Tomato Chlorosis virus (ToCV), found seven companies affected by the quarantine disease. With this, the investigation has been completed, Rob Hageman of the NVWA reports to Nieuwe Oogst. "But we continue to.....

"By using foil, gutters last longer"

“When cleaning during crop rotation the gutters are under a lot of pressure. This can damage the coating and is not something you would want to happen”, Piet van Oord of Oerlemans Plastic explains. Under the name of OPS gutter protection film, Oerlemans Plastic presented a foil to cover gutters in.....

UK: Early appearance of late blight raises concerns for tomato growers

A recent outbreak of Phytophthora infestans, or late blight, in UK tomato crops is likely to be a new strain of the disease, as symptoms have been seen early in the season on young plants.Some existing plant protection controls are proving ineffective due to the apparent aggressiveness of this strain. The.....

US: Beekeepers now earn as much from pollination as from honey

The essential role of honey bees (Apis mellifera) for crop pollination is well known in modern agriculture, but for most of human history honey bees were kept primarily for honey production.In 1988, pollination services—renting out bee colonies to pollinate certain crops—produced only a small share of.....

US (OH): Phytophthora blight reported in Huron County

Phytophthora blight was diagnosed last week in pepper plants from Huron County, Ohio. This is several weeks earlier than we normally see Phytophthora blight in northern Ohio, but heavy rains and periods of high temperatures likely contributed to an early appearance of the disease. Growers should scout both.....

New protection for SWD and other small insects

ScoringAg Polyester UV Covers are a physical barrier to insects and worms, preventing infection without sprays or poisons of any kind. ScoringAg Polyester UV Covers are strong and stretchy. They are made out of special woven polyester fiber which is patented and manufactured only for ScoringAg. The white.....

J Erik Fyrwald, CEO of Syngenta:

"High risk of food shortages without pesticides"

The world is likely to face food shortages within 20 years if pesticides and genetically modified crops are shunned, according to the head of the world’s biggest pesticide manufacturer.J Erik Fyrwald, CEO of Syngenta, also said the technologies to produce more food from less land are vital in halting climate.....

Jan Hardeman, Eurofins Agro:

"Check sanitizer regularly is a necessary measure"

Jan Hardeman, greenhouse horticulture specialist at Eurofins Agro: "More than half the samples we analyse to check the effectiveness of sanitizers turns out to have a high germ count."The germ count is a measure for the quantity bacteria and fungal spores present in the water. Hardeman bases himself on the.....

US: Pyrethrins and canola oil combine in new insecticide/miticide

OHP announces the immediate availability of a new biosolution, Pycana Insecticide/Miticide.Pycana is a unique combination product containing natural pyrethrins and canola oil that provides quick knockdown of many insects and mites including aphids, thrips, whiteflies, spider mites, leafhoppers, fungus gnats,.....

US (NC): AgBiome awarded multi-year grant for biological nematicide project

AgBiome has recently been awarded a multi-year grant from the Bill & Melinda Gates Foundation in the area of nematology. The project, entitled “Biological Nematicides for Root and Tuber Crops”, aims to discover and develop a microbial solution for smallholder farms in West Africa to manage yield-damaging.....

What is swimming around your roots?

Root rot diseases can cause major problems for hydroponic growers, especially in recirculating systems. Symptoms can easily “explode” and quickly result in major crop loss. Preventative action and early diagnosis are critical to disease management, but proper identification of infection before it is too late.....

Powdery mildew pathogen from greenhouse plants to mature plants in hopyards

Downy mildew management will remain a major point of focus for Michigan hop growers in 2018, but with damaging powdery mildew infections in 2017, you will need to add new fungicides to your disease management program. The downy and powdery mildew pathogens are completely unrelated and are not generally.....

US: Protecting agriculture on the internet

While we are raising awareness about invasive pests during Invasive Plant Pest and Disease Awareness Month, I wanted to share a bit about what I do every day to protect agriculture. When you picture someone on the front lines of stopping invasive pests, you probably picture someone outside – in a field or a.....
Mike Chapman, Horticulture New Zealand:

"Biosecurity intelligence team a good move"

Providing earlier warning of biosecurity risks by establishing a biosecurity intelligence team within government is a good idea, says Horticulture New Zealand chief executive Mike Chapman.In announcing the establishment of Biosecurity New Zealand today, Biosecurity Minister Damien O’Connor also said that an.....

US: Strange mite pest found in high tunnel vegetables

Over the last three months a few early season high tunnel operations on the Eastern Shore were having problems with some of their seedlings and leaf crops. Crops like spinach would have ‘whitening’ and then browning and eventually dead margins of their leaves while seedlings would collapse. We found the.....

Scotts Miracle-Gro moves further into marijuana with $450 million deal

Scotts Miracle-Gro recently signed an agreement to purchase Sunlight Supply. The privately-held company is a distributor of gardening supplies, taking the No. 1 slot in the segment of U.S. hydroponics (goods used to grow crops in water, without soil). Scotts Miracle-Gro is paying a total of $450 million for.....

Pathogen profile: Sclerotium

Sclerotium is a fungal pathogen that can cause considerable crop damage, but it is more common in the warmer climates of the southern United States. It can be brought to the northern United States and Canada on infected plants grown in the southern regions.The most common species that attacks greenhouse.....

Bioline AgroSciences:

"Biological and integrated control are increasingly important"

Sustainability is increasingly at the centre of intensive agriculture and growers welcome innovation and good practices as they are interested not only in complying with regulations but also in following the healthy trends orientating the market. The added value provided by healthy sustainable products.....

BASF buys Bayer's vegetable seeds business for €1.7bn

In addition to the agreement signed in October 2017, BASF has signed an agreement to purchase further businesses and assets, which Bayer offered to divest in the context of its planned acquisition of Monsanto. The expanded scope includes Bayer’s entire vegetable seeds business, operating under the global.....

Controlling strawberry fruit rots

Fruit rots in strawberry can cause significant losses if not recognized early and controlled. The use of good cultural practices such as keeping fields weed-free and promoting good drainage, long crop rotations, and preventative fungicide applications are critical.Pathogens such as anthracnose, gray mold.....

US: Ag, food security enable national security

Why is the U.S. Department of Defense Advanced Research Projects Agency (DARPA) interested in agriculture? Blake Bextine, Ph.D., a DARPA researcher, answered that question via a phone interview at the North Carolina Biotechnology Center’s Crop, Animal, and Food Tech Showcase at the Cotton Room in downtown.....

US (MI): 24c label for Spartan 4F on strawberry

The Michigan Department of Agriculture has approved a Special Local Needs (SLN) label, also known as a Section 24c label, for the use of Spartan 4F on strawberry. Strawberry is on the Spartan Section 3 label, but that label does not include use at renovation. Michigan had a similar 24c label previously, but.....