Take-all, caused by the fungal pathogen Gaeumannomyces graminis var. tritici (Ggt), is an internationally important widespread root disease of cereals and grasses. The disease is suspected as the main cause of the increasing ...

The fungal pathogen Alternaria radicina causes pre- and post-emergence damping off, leaf and umbel blight and black rot of carrot. It is seed and soil-borne, and in mid-Canterbury, soil populations ranging from 33-223 ...

Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield-related ecosystem services can be maintained by a few dominant species or rely on ...

The New Zealand endemic wheat bug, Nysius huttoni (Hemiptera: Lygaeidae), is a pest of brassica seedlings. However, it has a wide host range comprising almost all cultivated brassicas, cereals and many other cultivated ...

Producers and processors of cereal grains in New Zealand were invited in August 2015 to submit grain samples to allow extraction and identification of any insect pest species present. Sixty grain samples were received, of ...

The wheat bug, Nysius huttoni White, mainly reported as a pest of wheat and forage brassicas, is native to New Zealand. This pest has been accidentally introduced into The Netherland and Belgium during apple exports from ...

Field parasitism rates of the Argentine stem weevil Listronotus bonariensis (Kuschel; Coleoptera: Curculionidae) by Microctonus hyperodae Loan (Hymenoptera: Braconidae) are known to vary according to different host Lolium ...

Plutella xylostella (diamondback moth) is a prominent pest of brassicas which is now resistant to most insecticides. Despite years of research, the range of available products used in biological control of diamondback moth ...