Volume 14 Part 1 Article 49: Controlling pin numbers on the first flush of Agaricus bisporus for quality and yield

Volume 14 Part 1 Article 49
Year 1995
Title: Controlling pin numbers on the first flush of Agaricus bisporus for quality and yield
Author: R.J. Samp

Abstract:

It has become more important in recent years to grow for specific market niches that may differ in quality demands. The number of mushroom initials (pins) per unit area significantly affects quality on the first flush. I have found that first flush pinning frequency and picking spread is affected by two factors: 1. The magnitude of the airing procedure. 2. The frequency of fully connected mycelial receptors per unit area at the time of airing.

Examples and explanations are offered as to how these factors influence first flush pin sets. The procedures used in executing these factors must be well defined, well managed, and dynamic to allow for cultural drift and market changes. The principles of these control processes will be explored to expose its adaptability to most growing systems.

Virtual infinite variation is possible when combining any type of airing procedure with any degree of case run at the time of airing. A mechanism for process control is presented along with some nuances and cautions that are associated with these cultural techniques.

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