Field Trial - Grapes (Black gem), Schoonbee Estate, Kameelkop, Loskop Scheme, South Africa

Date/Datum August - December 1998
Product/Produk Yield-Plus
Crop/Oes Type/Tipe Grapes
Variety/Varieteit Black Gem
Locale/Plek Schoonbee Estate, Kameelkop, Loskop Scheme, R.S.A
Rainfall/
Reenval
Winter/
Winter
  Summer/
Somer
Ave. mm pa/
Gem. mm pj
 
Soil quality/
Grond gehalte
Excellent/
Uitstekend
  Good/
Goed
  Medium/
Gemiddeld
Poor/
Arm
 
Normal weather conditions/
Gewone weerstoestande
 
Test period weather conditions other than normal/
Toets periode weersomstandighede buitengewoon
 
Cooperator/Samewerker Ms Adri Schoonbee
Type of trial/Proeftipe  
Experimental design/
Proefnemings ontwerp
Two treatments and a control
1. 600 ml/ha
2. 400 ml/ha
3. Control
Four areas treated
Treatments/Behandelinge 1. At flowering - 22 September 1998
2. Fourteen days later - 6 October
3. Twenty eight days later - 3 November
Applications/
Toedienings
Qty/Hoeveelheid Three
Form/Vorm Full spray
Counts/Tellings  
Results/Uitslae
  Sugar content Brix Berry Size
Treatment % % increase unit % increase unit % increase
600 ml 43 15 16.7 3.7 4.1 32
400 ml 58 55 16.8 4.3 4.3 35.7
Control 37.5 -- 16.1 3.1 3.1  
Conclusion/Gevolgtrekking  
Special comments/
Spesiale opmerkings
1. Treated fruit ripened more uniformly which made the harvesting easier
2. Better quality fruit: More solids (brix) and higher sugar content
Notes/Notas Test done by L Ueckerman, Mpumalanga Agri-Konsult BK

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