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Crop protection


by Joyce Latimer for Fine Americas

Using Configure effectively on spring hosta

Benzyladenine, the active ingredient in Configure (Fine Americas, Inc.) has been used on Hosta for many years and its effectiveness in increasing basal branching is well documented. The fullness of the plant in the pot creates a higher quality plant. However, in the field, there are a few details you’ll want.....

Ralf Koedijker, Glastuinbouwshop:

New crop protection supplier enters Dutch market

With the Glastuinbouwshop, the Dutch market has one more new supplier of crop protection products. The company was founded by Klaas Lusthof, who, from his experience with biocide and material protection products at wholesalerQ-chem, discovered that his suppliers also had products available that were suitable.....

USDA releases annual plant protection report

The USDA Plant Protection and Quarantine (PPQ) has released its 2016 Annual Report, outlining accomplishments from throughout the year.PPQ reports it achieved one of its top 10 goals: eliminating European grapevine moth from the United States. The agency also eradicated 10 fruit fly outbreaks in Texas,.....

New insecticide provides application timing flexibility

Environmental Science, a business unit of the Crop Science division of Bayer, announced that Altus insecticide will be available for purchase through authorized agents beginning May 1, 2017. Altus introduces a new insect management solution to greenhouse growers that controls major sucking pests while.....

by W. Garrett Owen and Brian E. Whipker

Lower leaf purpling in fuchsia

Fuchsia are often produced in hanging baskets to showcase their ornate and intricate flowers. High substrate pH will induce upper leaf interveinal chlorosis. However, an observed, but not reported, reddish-purple interveinal chlorosis occurs on lower leaves as a result of low pH induced micronutrient.....

NZ: Aucklanders urged to keep eyes peeled for new plant disease

Myrtle leaf rust is a serious fungal disease that attacks members of the myrtle family.It could affect native pohutukawa, manuka and rata as well as feijoa and eucalypts, damaging or even killing highly susceptible plants.Where do you find it?“The disease was detected on Kermadec pohutukawa trees on Raoul.....

by Sarah Jandricic, Greenhouse Floriculture IPM Specialist, OMAFRA

Using Beleaf (flonicamid) as a drench: benefits and (potential) drawbacks

Given that it’s the season for pest problems like aphids on spring crops, I’d like to remind everyone of an important new pest management tool we have at our disposal.by Sarah Jandricic, Greenhouse Floriculture IPM Specialist, OMAFRAThanks to the hard work of Cary Gates at Flowers Canada Growers, and.....

No more power cable hassle with battery-powered sprayer

Spraying your greenhouse crop does not have to be a big fight with hoses, heavy machinery and power cable hassle. A new battery-operated 50 liter sprayer tank allows you to be mobile, flexible and spray up to 1,300 liters in 14.5 hours, without plugging in. Birchmeier's new A50 two wheel sprayer is a.....

With UV blanket (almost) complete absence of pathogen

A product from the world of medical science has found its way into the greenhouse. It kills fungi, viruses and bacteria on the crop. Through a combination of UV light and ionization, these pathogens are drastically reduced. Aquamar has designed a special unit for horticulture, the UV blanket. These units are.....

US (MI): Protection plan for managed pollinators in draft release

Michigan has released its draft plan to protect managed pollinators from pesticide threats. This joint effort is designed to provide clear actions that can be taken to reduce pesticide exposure to bees.Image courtesy of Sarah Scott, MSU.The Michigan Department of Agriculture and Rural Development.....

US: What to do against foxglove aphids

Foxglove aphids have been reported on Ipomoea ‘Marguerite’ and other aphids on ornamental grasses, many perennials, dahlias, zonal geraniums and tomato bedding plants. Watch for aphids including the foxglove, green peach aphids and melon aphids. Foxglove aphids tend to feed first on the underside of the.....

Guide helps identify gaps in pest management

The CFIA has recently released the Floriculture Sector Biosecurity Guide. Despite it’s imposing name, this is an excellent “road map” to help protect your facility from unwanted pests. The Guide offers biosecurity strategies from the time plants come in the front door ’till they’re out in the compost bin.Do.....

by Nora Catlin, PhD

Alternanthera Mosaic Virus in celosia

Alternanthera mosaic virus (AltMV) has been reported on Celosia this spring. Watch your plants for virus symptoms including mosaic, mottling, distorted leaves, and leaf spots.by Nora Catlin, PhD - nora.catlin@cornell.eduThis spring, we’ve seen reports of Alternanthera mosaic virus (AltMV) on Celosia. Here’s.....

by Dan Gilrein

The alternative chilli thrips

The adage, ‘things are not always what they seem,’ was again demonstrated in the recent case of chilli thrips. It was just over 10 years ago that I first heard of this new pest in our industry, the chilli thrips (Scirtothrips dorsalis). While there have been past detections in the US (Hawaii in 1987,.....