Walter Goldstein
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View article: The evolution of a partnership-based breeding program for organic corn
The evolution of a partnership-based breeding program for organic corn Open
This paper describes decades of research developing a new type of corn (maize) cultivar that utilizes partnerships with seed-borne, bacterial endophytes to create environmentally friendly, nutritious corn that is better adapted to organic…
View article: Endophyte symbiosis: evolutionary development, and impacts of plant agriculture
Endophyte symbiosis: evolutionary development, and impacts of plant agriculture Open
It is known that land plants can absorb soil microbes (bacterial and fungal) into their cells and tissues. Plant endophytes enhance plant growth, stimulate elongation of root hairs, increase branching of roots, allow plants access to more …
View article: Influence of the Seed Loophole and Bottleneck on Quantity and Quality of Organic Maize Seed in the U.S. Midwest
Influence of the Seed Loophole and Bottleneck on Quantity and Quality of Organic Maize Seed in the U.S. Midwest Open
A case study in the U.S. Midwest explored factors likely to be limiting organic maize, aka corn seed quality and quantity. We sought to learn about the influence of the regulatory loophole which allows use of conventionally produced, untre…
View article: Breeding maize under biodynamic-organic conditions for nutritional value and N efficiency/N<sub>2</sub> fixation
Breeding maize under biodynamic-organic conditions for nutritional value and N efficiency/N<sub>2</sub> fixation Open
An overview is given for an ongoing maize breeding program that improves populations, inbreds, and hybrids in the Midwestern USA. Breeding and selection occurred under biodynamic conditions in Wisconsin, on an organic winter nursery in Pue…
View article: Biodynamic preparations, greater root growth and health, stress resistance, and soil organic matter increases are linked
Biodynamic preparations, greater root growth and health, stress resistance, and soil organic matter increases are linked Open
The effects of biodynamic preparations were tested in the context of comparisons of conventional, organic, and biodynamic systems and diverse crop rotations in Washington and Wisconsin, USA. Wisconsin research also entailed testing a new n…
View article: Diversity of Maize Kernels from a Breeding Program for Protein Quality III: Ionome Profiling
Diversity of Maize Kernels from a Breeding Program for Protein Quality III: Ionome Profiling Open
Densities of single and multiple macro- and micronutrients were estimated in the mature kernels of 1348 accessions in 13 maize genotypes. The germplasm belonged to stiff stalk (SS) and non-stiff stalk (NS) heterotic groups (HGs) with one (…
View article: Maize Cultivar Performance under Diverse Organic Production Systems
Maize Cultivar Performance under Diverse Organic Production Systems Open
Maize ( Zea mays L.) performance can vary widely between different production systems. The need for high‐performing hybrids for organic systems with wide adaptation to various macroenvironments is becoming increasingly important. The goal …