AgPest » AgPest » Category » Argentine stem weevil larvae

Ordering grass seed? Select suitable endophytes.

AgPest — Tue, 03 Oct 2017 19:30:44 +0000

When ordering grass seed select suitable endophytes and check that the endophyte you select has been assessed in the grass variety you order. In ryegrass, AR1 and AR37, and diploids with NEA2 , will protect against Argentine stem weevil, AR37, Endo5 and NEA2 against black beetle and AR37 against porina. See DairyNZ Pasture Renewal Guide for a guide to endophyte selection.
Endophyte levels in the seed should be at least 70% and have been assessed in the last 3 months.

Argentine stem weevils will increase in significance over summer

AgPest — Tue, 17 Jan 2017 21:00:21 +0000

Argentine stem weevils increase in significance over summer. Be aware that seedling grasses, even those infected with endophyte, are very susceptible to damage from this pest if numbers are high. This also applies to cereal and maize crops. Coated seed or pre-emergence insecticide application can prevent damage.

Argentine stem weevil numbers increasing

AgPest — Wed, 02 Nov 2016 21:00:51 +0000

Argentine stem weevil is building up in the North Island and will need to be considered in pasture and crop establishment.

Insecticide coated seed may be a viable control option and insecticide application can provide temporary relief from this pest and allow seedlings to establish. Argentine stem weevil is a significant threat to seedling grasses, even those infected with endophyte, cereals and maize crops. See DairyNZ Pasture Renewal Guide for a guide to endophyte selection.

For further information on Argentine stem weevil including biology, impact and control, follow the links below:

Argentine stem weevil larvae

AgPestNZ — Thu, 30 May 2013 00:33:43 +0000