White blister in radish (video)

Stem rust (Puccinia graminis subsp. graminicola) is the most damaging of the ryegrass diseases. This update discusses how different fungicide programmes and timings affect seed yield. It compares early versus late applications and offers practical advice to help growers improve rust control and maximise returns.

This Arable Update outlines practical strategies for using SDHIs effectively in the field while protecting their long-term efficacy.

This Update outlines the latest results on how Zymoseptoria tritici (Zt), the fungus that causes Septoria tritici blotch (STB), is responding to succinate dehydrogenase inhibitor (SDHI - Group 3) fungicides in New Zealand wheat crops.

This Arable Update illustrates how alternating and mixing Modes of Actions and active ingredients can help sustain disease control, protect yield, and deliver financial returns.

This update provides information on Septoria tritici blotch, stripe and leaf rusts, powdery mildew, Seedling blight, foot and crown rot, ear blight, common eyespot and sharp eyespot.

FAR has received several reports of heavy aphid infestations in cereal and ryegrass crops around the country. Although the risk of yield losses associated with aphid-vectored viruses is low now, direct feeding damage can still occur when numbers are very high.

Crop Action keeps you up to date with arable crop development and actions right across New Zealand.

A range of diseases can affect cocksfoot, and many of these are also found on other grass species, such as ryegrass and tall fescue. Many are nevertheless unique to cocksfoot and are covered, together with those with a wider host range, in the attached handbook.

With the season in full flight, cocksfoot growers will be monitoring their crops for downy mildew and considering control options.

Learn more about cocksfoot disease management on your farm, from our latest field day booklet.