Efficiacy of Polyversum against
Powdery Mildew on Hops (Sphaerotheca humulil). Treated 3x as
a root and stem drench with 2 kg/Ha.
This trial compared Polyversum to the chemical
treatments Saprtol New and Kuprikol 50.
The test plot utilizint Polyversum expressed better
resulst than both the Control and Chemical Standards.
Effectivity of Polyversum, against Powdery Mildew on
Hops Sphaerotheca humuli
The Hops Insitute of Zatec, CZ, 2000
|
Variants |
Repetition |
Without Disease |
Weak Damage |
Medium Damage |
High Damage |
Control
|
A |
161 |
27 |
12 |
0 |
B |
152 |
332 |
15 |
0 |
Saprol New
|
A |
198 |
2 |
0 |
0 |
B |
195 |
5 |
0 |
0 |
Kuprikol 50
|
A |
175 |
25 |
0 |
0 |
B |
173 |
24 |
3 |
0 |
Polyversum
Test Plot 1
|
A |
195 |
4 |
1 |
0 |
B |
197 |
2 |
1 |
0 |
Polyversum
Test Plot 2
|
A |
198 |
2 |
0 |
0 |
B |
199 |
1 |
0 |
0 |
For the same
trials, the effect of Polyversum on bunch weight, plant weight
and alpha bitter acid content was evaluated.
The test plot utilizing Polyversum increased both
plant and bunch weight and precentage of alpha bitter acids!
Effect of Polyversum on mean bunch weight and plant
weight in Hops
The Hops Insitute of Zatec, CZ, 2000
Variants |
Mean Plant Weight |
Mean Bunch Weight |
Control |
115 g |
2,300 kg |
Polyversum |
156 g |
3,120 kg |
Effect of Polyversum on percent Alpha Bitter Acids
in Hops
The Hops Insitute of Zatec, CZ, 2000
Variants |
% Alpha Bitter Acid |
Control |
8,71 - 9,52 % |
Polyversum Plot 1 |
9,98 - 10,91 % |
Polyversum Plot 2 |
10,30 - 11,26 % |
|
