Page 17 - Griffin Gazette Summer 2016
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cooling systems. Once the production space is NEDEITWION
determined, the GGSPro team provides specialized
fertility plans and recommends crop protection Technical Reference Guide
strategies. Amazingly, the support doesn’t stop
here: the GGSPro team continues to serve our The GGSPro Technical Reference Guide serves as a
customers as a valuable resource for solving go-to resource for both experienced and novice growers.
technical growing problems. Written by Griffin’s GGSPro technical support team,
the Technical Reference Guide focuses on identifying
Lettuce is a great crop to illustrate the strength of problems and providing solutions. Topics were selected
technical support for CEA growers provided by based on the thousands of technical inquires that the
GGSPro. One common problem in lettuce production GGSPro team fields each year. Sections include Abiotic
is marginal leaf burn. Scouting and diagnostic Disorders, Pollinator Stewardship, Insects, Diseases,
inspection often reveals the presence of Botrytis. Weeds, BCAs, PGRs and Crop Nutrition.
While Botrytis can be treated and prevented, The 4th edition of the Technical Reference
this is generally not the underlying cause of the Guide includes:
problem. Marginal leaf burn in lettuce is nearly
always related to a calcium deficiency, with Botrytis • New Pollinator Stewardship section
infection being a secondary problem. The solution Bee safety codes and bee-friendly growers practices
starts with treating the Botrytis infection with an
effective product, such as Emblem, a tank mix of • New Abiotic Disorders section
Cease and Milstop or ZeroTol 2.0. From there, a Environmental and chemical stressors and their effects
preventative program using Cease or Triathlon BA on plants
can be employed. Additionally, foliar calcium sprays
nearly always help to avoid the problem. The best • The latest GGSPro product recommendations with
solution is to address the real culprit: Decreased updated rates and other important info throughout.
transpiration of the young leaves, often during
periods of dark weather and high humidity. The Item # 98-401 $139.00 + S & H
best solution is to improve airflow over the crop
using vertical fans to gently mix the air around the Visit our website: GGSPro.com
young leaves. Call us: 888-GGSPRO-1
Another problem that can appear in lettuce Click here for more information on the
crops is Pythium. This root disease is particularly GGSPro Technical Reference Guide
problematic in a recirculating NFT system, since the
Pythium zoospores can swim. Immediate treatment
will involve ZeroTol 2.0 in the nutrient solution.
Full sanitation using Horti-Klor, SaniDate 5.0 or
ZeroTol 2.0 is recommended between crops to
ensure eradication.
Finally, the GGSPro team possesses a deep
understanding of conventional chemistry, biological
products and BCAs. This knowledge is shared with
our customers in the form of bulletins and integrated
pest control plans. For example, Aphidius colemani
is a key BCA for use in preventing aphids in lettuce
crops. However, these parasitoid wasps won’t be
effective at stopping an established aphid problem
on their own. GGSPro works with customers to
determine if an additional BCA, such as Aphidoletes
aphidimyza or lacewing larvae would be effective,
or if a treatment of Fulfill is warranted.
If your plans include production of CEA crops, be
sure to check in with your Griffin sales person to
learn more about how we can serve you every
step of the way. As for ornamental crops, we have
experts ready to help find solutions to help you
produce a quality, profitable crop.
Always read and follow the entire pesticide label. Pesticides
mentioned may not be registered in all states and may be a RUP
(Restricted Use Pesticide) in certain states. Products other than
those listed may be safe and effective.