Generic or Branded?
Consultancy -
By Jerry Spencer (18 Feb 10 6:00)
Regardless of what company makes the herbicide, the core issue is whether generic herbicides are as good as brand-name ones. Jerry Spencer of ETP Turf asks, which is best. - Read Article
New NIL ENDOPHYTE TURF Ryegrass
Industry News -
By Jerry Spencer (07 Feb 10 14:00)
Nil Endophyte Turf Ryegrass
# Quality over – sowing fine leaf perennial ryegrass
# Excellent dark green colour, good density
# Quick establishment & seedling vigour
# Produced in New Zealand
- Read Article
The Couch Mite
Consultancy - 1 comment -
By Jerry Spencer (15 Nov 09 11:40)
The couch mite (Eriophyes cynodoniensis) can be a serious pest wherever couch is grown. It does not attack other turfgrasses. It is an eriophyid or gall mite, being extremely small, yellowish-white, somewhat worm-like in shape, and have two pairs of forward-facing legs. - Read Article
Good Science Should be Applauded.
Editorial -
By Jerry Spencer (19 Jun 09 6:30)
New products are great and should be encouraged within the industry. Good science should be applauded. However, sadly our industry does suffer from more than its fair share of snake oils or misleading promotional products and when it comes to calcium based amendments there does appear to be a considerable amount of confusion in the marketplace of how these products work and if they actually work at all!! - Read Article
Nutrition of Sports Turf in Australia
Book Reviews -
By Jerry Spencer (02 Jun 09 19:45)
Nutrition of Sports Turf in Australia shows how to grow a healthy, stress-tolerant turf capable of withstanding high levels of wear. It covers the concepts and principles of plant growth and the function of primary and secondary nutrients, micronutrients and soil organic matter. - Read Article
WHY HAS MY TANK MIX TURNED TO ****?
Consultancy -
By Jerry Spencer (18 Apr 09 6:00)
Tank mixing pesticides, liquid fertilisers or combinations of both can save time, labour, energy, equipment costs and in the case of pesticides be part of a resistance management strategy. Pesticide combinations can alter plant absorption and translocation with an example of this being azoxystrobin and what are termed activator adjuvants. - Read Article
Modes of Action for Plant Protection Chemistries
Consultancy -
By Jerry Spencer (01 Feb 09 12:50)
With environmental concerns becoming increasingly commonplace and pressures increasing on turf managers to produce the best possible surface with minimal usage of pesticides such as fungicides. ‘Hard’ Chemistry is increasingly being replaced when possible with softer, what are perceived more environmentally safe options. - Read Article
Nutrition of Sand Greens Part 2.
Consultancy -
By Jerry Spencer (18 Nov 08 14:00)
Part 2 of Nutrition of Sand Greens.
The nutrition of pure sand constructions raises a whole host of issues but there are a number of rules that are can be applied and can help guide you in the right direction. Sand-based putting greens are less forgiving than native soil greens when it comes to nutrient management, having inherently lower nutrient-holding and -buffering capacities and allowing large amounts of water to flow through them. - Read Article
Nutrition of Sand Greens Part 1.
Consultancy -
By Jerry Spencer (05 Nov 08 6:00)
The nutrition of pure sand constructions raises a whole host of issues but there are a number of rules that are can be applied and can help guide you in the right direction. Sand-based putting greens are less forgiving than native soil greens when it comes to nutrient management, having inherently lower nutrient-holding and -buffering capacities and allowing large amounts of water to flow through them. As a result, they are prone to multiple, sudden and perhaps serious nutrient deficiencies. - Read Article
Short or Long Term Weed Control
Consultancy -
By Jerry Spencer (04 Jun 08 5:55)
When carrying out short or long term weed control there are a number of desirable characteristics that a good residual non selective (total) herbicide should have - Read Article
Potassium Phosphite
Consultancy -
By Jerry Spencer (20 May 08 15:00)
Over the last few years a considerable amount of confusion has arisen in relation to fertilisers and chemicals containing this. Many of us are familiar with MAP and DAP (mono and di- ammonium phosphate) and possibly even MKP (monopotassium phosphate) all of which provide phosphorous derived from phosphoric acid (H3PO4). - Read Article
Pythium Blight Of Turfgrass
Consultancy -
By Jerry Spencer (03 May 08 17:25)
All turfgrasses are susceptible to attack by Pythium spp. The first symptoms of Pythium blight are irregularly shaped or evenly streaked, reddish brown spots in the turf, ranging in diameter from 3 to 15 cm. In the morning dew, infected blades appear water-soaked and dark, and feel greasy. - Read Article
Professional Turf Diaries With Jerry. Pt. 8
Consultancy -
By Jerry Spencer (27 Apr 08 6:00)
Cool-season grasses. In most instances, Poa annua control was acceptable using selective rates, dates, and frequency of application in perennial ryegrass, Kentucky bluegrass, and creeping bentgrass maintained as fairways. - Read Article
Professional Turf Diaries With Jerry. Pt. 7
Consultancy -
By Jerry Spencer (15 Apr 08 6:00)
Effects of ethofumesate on seed germination.
For maximum turfgrass safety with herbicides, it is important to know the response of treatments on germinations of turfgrass seed - Read Article
Professional Turf Diaries With Jerry. Pt. 6
Consultancy -
By Jerry Spencer (04 Apr 08 7:00)
Couch is extensively used throughout Australia for many turf areas, including sports ovals, golf courses, parks, and other turf areas. However, when it is mixed with other grasses and not wanted in this mixture, it becomes a severe weed problem. - Read Article
Professional Turf Diaries With Jerry. Pt. 5
Consultancy -
By Jerry Spencer (25 Mar 08 6:00)
Summary of perennial ryegrass growing alone. Ethofumesate can be effectively used for Poa annua control in perennial ryegrass in seed production fields and on golf course fairways and other similar managed turf sites. - Read Article
Professional Turf Diaries With Jerry. Pt. 4
Consultancy -
By Jerry Spencer (12 Mar 08 5:50)
The control of several weed species have been evaluated only once with ethofumesate. Therefore, the information given for these weeds are preliminary and results should be reviewed with this in mind. - Read Article
Professional Turf Diaries With Jerry. Pt. 3
Consultancy -
By Jerry Spencer (26 Feb 08 6:00)
Creeping bentgrass is more sensitive to ethofumesate than perennial ryegrass. However, when using a lower herbicide rate Poa annua control may not be as good. Poa annua control with ethofumesate was erratic at the lower rates (< 0.825 kg/Ha). - Read Article
Professional Turf Diaries With Jerry. Pt. 2
Consultancy -
By Jerry Spencer (16 Feb 08 18:00)
Perennial ryegrass can tolerate ethofumesate treatments better than any of the other cool-season grasses. However, rates and frequency of ethofumesate application needed for effective control will depends on usage of the grass. - Read Article
Professional Turf Diaries With Jerry. Pt. 1
Consultancy - 1 comment -
By Jerry Spencer (07 Feb 08 6:00)
Poa annua can be one of the most serious weed problems in highly maintained turfgrass. Ethofumesate has been used to control Poa annua; however, the results have been erratic, and ethofumesate is not widely utilized for Poa annua control in turfgrass - Read Article
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