SF Tonuss

Quick establishment and excellent winter production

SF Tonuss is a diploid hybrid ryegrass developed and selected for its excellent persistence under grazing. It has quick establishment and excellent winter production for a hybrid ryegrass. SF Tonuss produces a fine dense sward with rapid recovery after grazing, and low aftermath heading for improved late season quality. It has excellent disease resistance to rust and verticilium wilt, making it an ideal grass for production under both high rainfall and summer irrigation.

Agronomic features:
  • Diploid
    Lower seeding rate. Fine dense pasture sward

  • High winter production
    More feed when it is needed most

  • Some perennial parentage
    Improved pasture persistence. Better summer and second year production

  • Low aftermath heading
    Excellent late spring and summer feed quality

Forage EBV’s – compared to industry standards*

CULTIVAR PLOIDY WINTER YIELD SPRING YIELD SUMMER YIELD TOTAL YIELD FLOWERING
TETILA = 0
ME
MJ
CP
%
NDF
%
EXTRA
BEEF
VALUE
EXTRA
MILK
VALUE
NO.
OF
TRIALS
SF Tonuss dip. 99 104 109 101 +15 days 11.22 23.85 45.77 +$83 +$122 24
Maverick GII dip. 95 103 106 100 +14 days 11.14 22.05 44.95 +50 +95 27
Crusaider dip. 100 100 100 100 +12 days 11.10 22.29 46.08 $0 $0 42

*Yields based on up to 42 trials in Australia from 2006–2015.
*Meat and Milk values developed using Seed Force’s Animal Performance Calculator, based on 65% pasture utilisation for meat at $2.50/kg liveweight, and 75% utilisation for milk at 40c/litre.

Sowing rate

35-50kg/ha
Oversowing kikuyu

35-50kg/ha
>850mm irrigation 

25-30kg/ha
700-850mm rainfall 

20-25kg/ha
500-700mm rainfall

15kg/ha
Overdrilling perennial pastures

Stock suitability

All livestock types

Maturity

late maturity

Australian release

>2011