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Crop protection


Mike Chapman, Horticulture New Zealand:

"Biosecurity should be top priority for new Government"

A biosecurity incursion can (and has) bring parts of the primary sector to a complete standstill; Psa did this to kiwifruit not too long ago. Today, the Ministry for Primary Industries are managing a number of incursions, including mycoplasma bovis, myrtle rust, pea weevil, and oyster parasite, to name but a.....

Philippe Nicot, Biocomes:

Farmers don’t want pesticides, but in the meantime, they have a business to run

If you really want to make a difference as a researcher in the field of integrated pest management and biological control, you need to cooperate in an early stage with all actors in the chain, including industry. That is the firm believe of Dr. Philippe Nicot, who was recently re-elected for a second term as.....

US: Scientists seek public assistance in tackling rose rosette disease

Halfway through a five-year, $4.6 million grant to combat rose rosette disease in the U.S., the national research team studying it is encouraged by the amount of information learned but admits having a way to go before finding how to overcome the deadly problem.Rose rosette was observed on wild roses as.....

Rhizoctonia root rot: Symptoms and how to control

Rhizoctonia is a soilborne fungus found naturally in outdoor soils from fields, landscapes, gardens, etc. It produces sclerotia, which are tough, brownish-black structures that allow it to survive in the soil or infected plant tissue for years. With a wide host range, Rhizoctonia can cause a variety of.....

US (MI): Well attended Plant Products grower meeting in Kalamazoo

Over 50 growers from Michigan and Ohio attended grower meeting held in Kalamazoo Michigan. Attendees were mostly ornamental growers and were treated to talks by their peers which was educational and earned them up to 3 MI RUP’ as well.Tom Piepkow of Kilbourn Produce gave an excellent overview of.....

New Zealand: The current situation in myrtle rust

There are currently 122 confirmed sites in Northland, Taranaki, Waikato and the Bay of Plenty, where myrtle rust has been detected. All these sites have been treated, with infected plants removed, and will be resurveyed in the future.Both the Ministry for Primary Industries (MPI) and Department of.....

Special AFE session on botrytis and thrips at Proflora

AFE had the full attention of the large crowd of growers, importers, wholesalers and retailers gathered at Proflora 2017, which was held from October 4 – 6 in Bogota, Colombia.by Katie HendrickThanks to Asocolflores for arranging a special education session on October 5, AFE-sponsored researchers presented.....

How to prevent and solve root diseases in poinsettias

Poinsettias have a longer production cycle than most greenhouse crops, and also one of the smallest sales windows. Therefore, anything that delays or stunts the crop can lead to potential crop failure. One of the most common causes of poinsettia production delay are root diseases in the crop. Disease.....

US: OHP adds Astun Ornamental Fungicide to portfolio

OHP Inc. is proud to announce the addition of Astun™ Ornamental Fungicide to its stable of pest and disease solutions for the greenhouse and nursery markets.Astun provides outstanding botrytis control with the active ingredient isofetamid, a new fourth-generation member of the SDHI class of chemistry, mode.....

UK: On the presence of ringspot virus

Symptoms consistent with European mountain ash ringspot-associated virus (EMARaV), genus Emaravirus, have been historically observed across the UK on Sorbus aucuparia (rowan or European mountain ash). The virus was recently confirmed across Scotland. EMARaV has also been detected by molecular methods in.....

Effect of rice hull mulch on nutrient concentration of fertilized irrigation

Parboiled rice hulls (PBH) have been shown to be an effective mulch for weed control in container crops. As with other mulch products, there is concern that PBH mulch would interfere with nutrient delivery to the crop. The objective of this research was to.....

Levy at work's pest of the month: Glassy winged sharpshooter

Pest: Glassy winged sharpshooter – Homalodisca vitripennisImportance: Major importance as a vector of Pierce’s disease (caused by the bacterium Xylella fastidiosa). This pest is exotic and not known to occur in Australia.Symptoms: The most characteristic symptom is leaf scorch. Stems often mature.....

UK: New Xylella elearning module available from HTA

The HTA has launched an e-learning module on Xylella fastidiosa providing plant area and garden retail staff with the latest information about this plant disease that presents a huge threat to the industry.The module, which is available to all free of charge, is one of the actions to come from the emergency.....

October 17, Swanley

UK: Provender Nurseries hosts Xylella event

Xylella could affect the plant choice and availability to the UK plant supply industry and thus to garden designers, landscapers and installers in the UK. There are over 300 host plants that Xylella can affect.Provender Nurseries are running a free event in conjunction with BALI on Tuesday 17th October:.....