Through the state cooperative extension system, Maria is able to contact an ornamental entomologist via email with some basic questions about her crop very soon after she notices the early symptomology. She attaches images and a copy of her scouting records to her e-mail query.
Description Although Maria’s reference library includes some very useful books about cut flower production, only a few provided any detailed information about Dicentra sp. as a cut flower. The following excerpts show the information provided in these books. Results Specialty Cut Flowers 2nd Edition Allan M. Armitage & Judy Laushman Timber Press © 2003 ISBN:…
A Case Study to Determine the cause of Chlorosis in a Crop of Cut Dicentra spectabilis By Marci Spaw, Kimberly A. Williams, Laurie Hodges, Ellen T. Paparozzi and Ingrid L. Mallberg The Grower The grower, Maria Flint, is forcing Dicentra spectabilis as cut flowers for Valentine’s Day sales for the first time. While Dicentra is…
Description Water-based extractions of soilless root media are simply methods to solubilize nutrients in the root medium so that their concentrations can be measured as an estimate of nutrient availability for uptake by the plant. Water-based extraction procedures include saturated medium extractions (SME), 1:2 medium dilutions, pour-thru extractions, and (for plugs) a squeeze method. Analyses…
Description Maria’s water source is municipal water from a neighboring township. She maintains records of the Water Quality reports sent to her on a yearly basis, but decides to send in a sample to a commercial analytical lab, MDS Harris, in Lincoln, Nebraska since her last report is more than eight months old. To complete…
Description For more on the ELISA technique visit the University of Wisconsin Plant Pathology Lab website. A commercial lab such as Agdia, www.agdia.com, has a variety of services that Maria must sort through. She may send a plant sample into the lab or request a test kit that she could use at her greenhouse operation….
Description EXAMPLE: KSU Soil Sample Information Sheet Acid-based extractions are typically performed on soil samples from fields used for agronomic production; most university soils testing labs affiliated with Agronomy departments used acid-extraction techniques. Linked at right is an example of a submittal form Maria would need to fill out to include with the media sample….