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Crop protection


CAN (ON): Whitefly control strategies in poinsettia

The floriculture industry in Ontario seems to have mostly avoided heavy aphid and thrips pressure this spring/summer. But according to Sarah Jandricic, Greenhouse Floriculture IPM Specialist, OMAFRA, they are not going to be that lucky with whitefly on poinsettia this year. This post goes over preventative.....

Effective products for Powdery Mildew relief

With May’s weather continuing to be up and down, humidity control is a problem in the greenhouse, meaning Powdery Mildew (PM) is too. This pest is rearing it’s ugly head in crops like Kalanchoe and Dahlia.The bloggers for Ontario Greenhouse Floriculture Growers joined forces with Plant Pathologist Ann Zemke.....

Eric Andrieu

Crop protection investigation: "Health should be the priority"

Parliament's pesticides committee has until the end of 2018 to investigate and propose improvements to the procedure for the authorisation of crop protection.There are long-standing concerns about how some components of crop protection, such as glyphosate, might affect people's health. In October 2017 MEPs.....

"Florida flowers enable disease-carrying mosquitoes to flourish"

A leading source for the Zika outbreak in 2016 may have been ornamental flowers in Florida.A new study has revealed that bromeliad plants contribute to the breeding of the Aedes aegypti mosquito, which can carry infectious diseases such as Zika, dengue, yellow fever and chikungunya.This University of Miami.....

Rains holding up bedding crops? Consider fungicidal treatments

May and early June has been unusually wet for most of the eastern United States. The frequency of rain events has put holds on site finishing, and hence installation of bedding plants. Quite a few greenhouse producers wind up holding these contracted plants outdoors, or plants are stored in holding areas.....

US (WA): 30-year battle against plant viruses leads to Humboldt Award

Viruses are about the simplest and tiniest creatures on Earth. They also can cause an amazing amount of chaos and destruction.Washington State University virologist Hanu Pappu, like many in his field, has dedicated his life to helping lessen the negative impacts of viruses. The significant contributions he.....

Banned in Europe but available in Kenya; we should be worried about insecticides

The European Commission has banned three of the most widely applied insecticides due to the risk to bees and other pollinators.The April ban on thiamethoxam, imidacloprid and clothianidin, expected to come into force this year, covers all outdoor uses in Europe. The chemical use will, however, be permitted.....

RHS to holidaymakers: "Don't bring back plants"

Millions of plants could enter the UK in the personal baggage of holidaymaking Britons this year, leading to fears that new pests and diseases - including the ‘game changing’ bacterium Xylella fastidiosa - could find their way into gardens.A survey by the Royal Horticultural Society (RHS), to coincide with.....

June 28, Woongoolba

Australia: Pest management, plant health and market access forum

Integrated Pest Management (IPM) brings together the elements of pest prevention, pest assessment, pest mitigation and process revision.NGIA is conducting a workshop for nursery production to provide growers with an understanding of how the Nursery Production Farm Management System brings these elements.....

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,.....

Plant Heritage:

"Important pollinator plants are missing from National Collections"

Plant Heritage, the British charity working to conserve the nation’s garden plants, is highlighting ten pollinator friendly plant groups which are not currently represented within the National Plant Collections such as poppies, hollyhocks and the more unusual Grevillea.The ‘Missing Genera’ campaign.....

Savona crop protection product no longer available

The product Savona is no longer available from Koppert Biological Systems. This product fell under the Dutch (RUB-lijst) ruling concerning exemption authorization for pesticides which ended on 15 February 2018. Products on this list may only be sold until 1 October 2018, and used ultimately till 1 October.....

More European growers to benefit from anti-stress agent

Following extended collaboration between Biobest and Lallemand Plant Care, Bluestim − the anti-stress agent for plants − will be available to growers in France, Germany and Poland from June 1.“Developed by Lallemand Plant Care, Bluestim enhances crop performance under environmentally stressful.....

EU prohibits three Neonicotinoids – except in greenhouses

“A good day for the protection of our bees across Germany and Europe”, commented the Federal Minister of Agriculture Julia Klöckner on the approval on 27 April by EU member states of an EU Commission proposal to drastically limit the use of Neonicotinoids.by specialist editor Lorenz WielandNeonicotinoids:.....