Showing posts from August, 2014

Bio-Pesticides / biologicals... What does this mean?

Q. Dudley asks about what ‘Biopesticides’? They are as referred to in this article- below. Answer: Biopesticides (generally called Biologicals in Australian farming) are using naturally produced product (chemical extracts or fungi or bacteria). For example, canola oil, paraffin oil and baking soda (aka ECOCARB) have pesticide effects and are considered biopesticides.

Biopesticides fall into three major classes: Microbial pesticides consist of a microorganism (e.g., a bacterium, fungus, virus or protozoan) as the active ingredient. Microbial pesticides can control many different kinds of pests, although each separate active ingredient is relatively specific for its target pest[s]. For example, there are fungi that control certain weeds, and other fungi that kill specific.The most widely used microbial pesticides is Bacillus thuringiensis, or Bt. Each strain of this bacterium produces a different mix of proteins, and specifically kills one or a few related species…

Vine Scale - UPDATE 4/8/2014

In the vineyard vines are beginning to break dormancy. At this point one of the vine pests reported is Grapevine Scale - below.
Reports have been that scales have been seen in high numbers where they have been seen in previous years.
Cabernet Sauvignon, which has a tough bark, seems to help protect Vine Scale allowing their numbers to build up.
Vine Scale are commonly found in ‘hotspots’ generally in older vineyards.  Vine scales produce a number of eggs over several days. The eggs are laid under the cover of the adult "scales" which offer protection during development. The adult dies once it has laid its eggs. Eggs hatch into "crawlers", which are tiny legged creatures which settle down and become an immobile scale.

DJ's recommend using specialised pesticide oils. Ask us for special rates and other information.
Table - Options for the control of scale (black IPM compatible, blue text IPM transition, not recommended in IPM vineyards). Information produced by http://…

Champion pruner of McLaren Vale crowned