Page 26 - Griffin Gazette - July 2026

COMPARISON OF ALL FOUR GROUPS IN THE TRIAL

Control 1 Control 3 RootShield PLUS+ G Control 2

RootShield PLUS+ G: 3 lbs/yd³ in media: $30 ROOT DEVELOPMENT;
per hundred pots (no additional fungicides were AVERAGE DRY ROOT WEIGHTS
applied during the trial)
• RootShield PLUS+ G: 445 g
Control 1: Standard fungicide spray rotation -
• Control 1: 189 g
four different chemical fungicides: $46 - $54 per
application, per 100 pots depending on rotation • Control 2: 306 g

Control 2: Standard fungicide spray rotation - • Control 3: 212 g
four different chemical fungicides: $46 - $54 per
application, per 100 pots depending on rotation RootShield PLUS+ G plants had dense, white
roots with full container fill.
Control 3: No RS+ and no fungicide rotation

DISEASE CONTROL;
LOSS REDUCTION & VALUE PRESERVATION

• RootShield PLUS+ G: 0.96% (2 out of 208) disease
incidence, plants had bright white, vigorous and abundant
roots (please reference photo at bottom of article)

• Control 1: 60% disease incidence
• Control 2: Minimal losses because this section sat higher
and drained better

• Control 3: 15% disease incidence, roots did not fill pot
and were thin
RootShield PLUS+ G on left and Control 3 on right
®
Only 0.96% of RootShield PLUS+ G plants showed root
disease compared to 60% in Control 1, 15% in Control 3,
and minimal losses in Control 2 due to better drainage.

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