| Date/Datum |
June 1999 |
| Product/Produk |
Yield-Plus |
| Crop/Oes |
Type/Tipe |
Roses |
| Variety/Varieteit |
|
| Locale/Plek |
Hartsvallei, Vaalharts area, R.S.A. |
Rainfall/
Reenval |
Winter/
Winter |
|
Summer/
Somer |
ü |
Ave.
mm pa/
Gem. mm pj |
|
Soil quality/
Grond gehalte |
Excellent/
Uitstekend |
|
Good/
Goed |
ü |
Medium/
Gemiddeld |
|
Poor/
Arm |
|
Normal weather conditions/
Gewone weerstoestande |
Hot, arid with spring frost |
Test period weather
conditions other than normal/
Toets periode weersomstandighede buitengewoon |
Abnormal heat with less rainfall
than normal |
| Cooperator/Samewerker |
J Engelbrecht, A Engelbrecht Jan
Kempdorp (School of Agriculture) |
| Type of trial/Proeftipe |
Production, small field |
Experimental design/
Proefnemings ontwerp |
Young plants 75% treated
25%
untreated
|
| Treatments/Behandelinge |
1. 2% Yield-Plus and normal
fertilizer; water at early leaf (2nd week Oct.)
2. 400 ml/ha 2 weeks after 1st application
3. 250 ml every 3 weeks till 1st week JuneTotal 3
Control
- Normal fertilizer and water
|
Applications/
Toedienings |
Qty/Hoeveelheid |
11 sprays |
| Form/Vorm |
Back pack spray, medium volume |
| Counts/Tellings |
Yield, stem length, quality, length
of season, shelf life |
| Results/Uitslae |
Due to quicker growth more cuts were
made more often than control
Longer stems and increased buds were noticed
producing more long stem flowers
Bushes continued producing 6 weeks longer than
the control
A higher quality flower in excess of 35% more
flowers was realised over control |
| Conclusion/Gevolgtrekking |
The treated bushes were young but
produced like older, more established bushes.
The folaige was greatly improved and greener than
the control.
Higher prices were realised on the treated
flowers along with higher yield. |
Special comments/
Spesiale opmerkings |
Comments were made by consumers on
the quality and in general the shelf life
impressive!
We noted rust problems on the control where the
Yield-Plus treated plants showed none. |
| Notes/Notas |
We have used this product on
tomatoes, peanuts, wheat and now roses and we are
impressed. |