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Propagation (22)

22 Oct 2020

Crop Management Articles from Michigan State

Erik Runkle, Michigan State University

A collection of articles from the past year by Dr. Erik Runkle from Michigan State University that deals with plant diagnostics, propagation, height control, and quality floricultural crops. 

Propagation pointers (277 KB)     Poor quality floricultural crops (272 KB)     Perennial height control (265 KB)     Indoor propagation (275 KB)     Importance of plant diagnostics (726 KB)

22 Oct 2020

Rooting Herb Cuttings: Why Daily Light Integral Matters

Annika Kohler and Roberto Lopez, Michigan State University

Annika E. Kohler, graduate student, and Dr. Roberto Lopez from Michigan State University share the latest findings on supplemental lighting's effect of rooting of herbs.

Rooting Herb Cuttings DLI Matters (4583 KB)

22 Oct 2020

How Adding Far-Red Radiation to Supplemental Lighting Affects Plugs

Annika Kohler and Roberto Lopez, Michigan State University

Annika Kohler, graduate student, and Dr. Roberto Lopez from Michigan State University determine the minimum duration of far-red radiation required during plug production to induce long-day requiring plants into flower after transplant.

Lighting in Plugs Kohler Lopez (829 KB)

29 Aug 2019

Quantification of Poinsettia Root Growth by Image Scans or X-ray Computed Tomography Scans in Three Propagation Substrates at Varied Moisture Levels

Erin J. Yafuso, Paul R. Fisher, and Ana C. Bohórquez (University of Florida)

Refining protocols to quantify rooting of plant cuttings and the water/air microenvironment of substrates using x-ray computed tomography (CT). 

Quantification of Poinsettia Root Growth by Image Scans or Xray (2363 KB)

1 Oct 2018

How to Grow Superfoods in Containers: Ginger and Turmeric

Sofia Flores, Rosanna Freyre, and Paul Fisher (University of Florida)

How to grow tumeric and ginger.

Ginger and Tumeric Greenhouse Grower (3000 KB)

1 Oct 2018

Cutting Types Transplanting Strategies

Juan C. Vallejo, Paul R. Fisher and Alan W. Hodges

Research on the effect of callusing on production time and shrinkage and to help growers decide when its most profitable to use each cutting type.

GPN October CuttingTypesandTransplanting (1977 KB)

15 Oct 2010

Spray vs. Sprech vs. Drench

Erik Runkle (Michigan State Univ.)

A brief overview of the different methods of applying PGRs

Spray sprench drench (69 KB)

15 Oct 2010

Maximizing PGR spray applications

Erik Runkle (Michigan State Univ.)

Learn about how to get the most out of spray applications of PGRs

Maximizing PGR spray applications (69 KB)

1 Oct 2010

Avoid GA Carryover

Erik Runkle (Michigan State Univ.)

Gibberellic acid (GA) can bind to concrete and be made available to the next crop, causing unintended consequencs. Read more...

Avoid GA carryover (87 KB)

4 Nov 2009

The ABCs of PGRs

Erik Runkle (Michigan State Univ.)

A brief discussion on the recent flurry of activity in the world of plant growth regulators, from new active ingredients to alternative formulations of established products

ABCs of PGRs (118 KB)

4 Nov 2009

Improving Branching and Postharvest Quality

Sonali Padhye (Univ. of Florida) and Erik Runkle (Michigan State Univ.)

When used properly, benzyladenine (BA) sprays can yield tremendous commercial potential, such as stimulating branching and delaying lower leaf chlorosis of some floriculture crops.

BA branching postharvest (458 KB)

4 Nov 2009

PGRs on Perennials

Erik Runkle (Michigan State Univ.)

Insights about how to choose the right PGR and application method for your herbaceous perennial crops.

PGRs perennials (1142 KB)

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