No. 7 Northern Corn Leaf Blight
Related Resources
Cereals Update 235: Managing SDHIs for prolonged performance in autumn sown wheat
This Arable Update outlines practical strategies for using SDHIs effectively in the field while protecting their long-term efficacy.
Cereals update 234: Managing Septoria: Latest results on SDHI performance
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.
Cereals update 233: Managing triazoles for prolonged performance in autumn sown wheat
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.
Maize update 92: Mechanical weeding in maize
Maize is one of the easiest crops to mechanically weed and levels of weed control comparable to herbicides can be achieved. Find out more about the options available and how they work in this maize update.
Maize update 91: Management options for specific weeds in maize
Weed related yield losses ranging from 15% to 56% for silage and 15% to 61% for grain have been observed in New Zealand maize systems. In this maize update find out management strategies for a number of common annual and perennial weeds of maize.
Maize Update 90 Maize pre-emergence herbicides and how best to use them
Pre-emergence herbicides have been the mainstay of maize weed management. This Maize Update discusses factors affecting pre-emergence herbicide success including application timing, modes of action and soil interactions.
Maize Update 89: On-farm biosecurity: Invasive weeds in maize systems and how to avoid them
Farmers face three levels of biosecurity risk; regional biosecurity incursion risk; border biosecurity, regional biosecurity and on-farm biosecurity. This Maize update discusses the importance of on-farm biosecurity, the one factor you have control over.
M88: Using cover crops for weed management in maize grain systems
This Maize Update discusses key issues for consideration in the choice and establishment of over-winter cover crops, along with the results of a five-year trial at FAR’s Northern Crops Research Site which researched the potential for over-winter cover crops to suppress weeds in the following no-till maize grain crop.
FAR Focus 17 - Maize weed management
This FAR Focus on maize weed management covers research on issues maize growers currently face, including; Herbicide resistance, problem weeds, herbicide options and on-farm biosecurity.
M87 Fall armyworm in New Zealand
Fall armyworm (Spodoptera frugiperda) is a highly invasive plant pest first detected in New Zealand in February 2022. Fall armyworm (FAW) larvae can feed on over 350 plant species and in New Zealand, the crops at most risk are sweetcorn and maize. This update outlines the pest's biology and behaviour and provides tips for identifying and managing fall armyworm in maize and sweet corn crops.