GGSPro Videos




Reference Guide




GGSPro 5th Edition Reference Guide


GGSPro 5th Edition Spanish Reference Guide - English Audio


GGSPro 5th Edition Spanish Reference Guide - Spanish Audio


Latest Videos




Aphid Control & Resistance



Budworm Control



Calcium Deficiency


Checking Injector Output and Fertilizer Mixing Accuracy



Edema and Intumescence


Extending Shelf Life and Marketability of Spring Plants



Griffin BCA Program Services



Griffin Predatory Mite Technology



Hortus IBA Salts Overview



Interpreting a Water Test



Liverwort



Magnesium Deficiency



Mealybug Control



Microbial Insecticides - Making the Most of Them



Thrips Parvispinus Karny aka Pepper Thrips



Water Alkalinity and Soil pH


Video Library



2022
New Greenhouse and Nursery Fungicides


Average Daily Temperature Impact on Pest Pressure



Aphid Control With Insecticides


Biological Control of Thrips
for Hanging Baskets



Biostimulants Part 1 - Microbes



Biostimulants Part 2 - Silicon and Phosphite



Biostimulants Part 3 - Humates and Chitosan



Biostimulants Part 4 - Protein Hydrolysates



Biostimulants Part 5 - Plants Algae and Extracts



Biostimulants Part 6.3 Reducing Fertilizer Use



Botrytis Control and Prevention


Botrytis Resistance Best Practices
Including Calcium



Chemical Compatibility with Thrips BCAs



Controlling Height with PGRS for Poinsettia


Controlling Pests in Retail Greenhouses
Part 1 - Common Foliar Diseases


Controlling Pests in Retail Greenhouses
Part 2 - Aphids, Mealybugs, Whiteflies


Controlling Pests in Retail Greenhouses
Part 3 - Fungus gnats, Shoreflies, Thrips


Controlling Pests in Retail Greenhouses
Part 4 - Mites and Slugs



Cultural Strategies for Manipulating Plant Growth



Eco Clean for Irrigation Line Maintenance



End of Season Sanitation


ePAR A New Definifion
of Photosynthetic Light


Fertilizer, Plant Stretch and the Myths Surrounding Phosphorus



Flea Beetle Overview and Prevention



Florel Maximizing Effectivness



Fungicide Selection Covering the Bases



Garden Mums and Heat Effects



Garden Mums and Weed Control


Garden Mum Crown Budding
and Effective Use of Florel



Garden Mum Nutrition Strategy



Garden Mums Finish Strong!



Garden Mum PGR Options



Garden Mum Pests Beyond the Routine



Garden Mums Pushing back on Pythium



Graphical Tracking for Poinsettias



Horticultural Oils Worth Another Look


Identifying, Preventing, and Correcting
Iron Deficiency for Mums



Insect and Mite Pest ID Refresher



Integrating BCAs for Poinsettias



Iron Deficiency Spring Crops



Microbial Insecticides - Making the Most of Them



Midseason Sanitation



Mum Field Maintenance for Drip Lines



Plan Ahead for Impatiens Downy Mildew



An Overview of Plant Dips



Poinsettias - Avoiding Late Season Problems


Poinsettias - Insecticide Based
Whitefly Control



Powdery Mildew



Pythium Resistance Best Practices



Raising and Lowering Soil pH


Reducing Fertilizer Use
- Micronutrients In Focus



Rhizophagy - A New Understanding



Summer Weeds ID and Prevention



The Three M's of Poinsettias


Tips for Identifying and Solving
Plant Problems Virtually


Western Flower Thrips Control on
Greenhouse Ornamentals Insecticides


Western Flower Thrips Control
- Vegetable Transplants



Winter Weeds



Wonderful World of Silicon in Hort



Xanthomonas, Bacterial Blight of Geranium