Abstract
Supplementation of substrate at casing to increase the yield and quality of mushroom [Agaricus bisporus (Lange) Sing] is an important practice in commercial production of white button mushroom. This project was done to study the effects of supplementing the compost at casing with ground corn and soybean seed applied at: 0 gas control, 17, 34 and51 gper17 kgcompost on production and harvest quality of A. bisporus. There were significant differences between supplemented and non-supplemented substrates. The34 gsoybean and51 gcorn treatments had the highest yield. There were significant differences in quality indices of mushroom due to the type and amount of the supplement. The51 gsoybean supplement produced higher protein compared with other substrates. The highest vitamin C, total phenol, total soluble solids and antioxidant capacity obtained of 34 and51 gsoybeans or 34 and51 gcorn, respectively. Increased production and quality of A. bisporus may be achieved by addition of suitable amounts of supplements.
Highlights
The button mushroom [Agaricus bisporus (Lange) Sing] is the most widely cultivated and consumed mushroom throughout the world and includes about 40% of total world mushroom production [1]
Vitamin C, Total Soluble Solid (TSS), protein, antioxidant capacity and total phenol were the lowest, when the compost was not treated with the additives
The highest protein and antioxidant capacities (AC) in mushrooms were due to the use of soybean (51 g) and corn (34 g), respectively
Summary
The button mushroom [Agaricus bisporus (Lange) Sing] is the most widely cultivated and consumed mushroom throughout the world and includes about 40% of total world mushroom production [1]. The button mushroom will grow on composted substrates made from various materials [2]. The compost in which it grows vegetatively, and the nutritionally poor casing materials, provides suitable physical, chemical and biological conditions that stimulate initiation of fruiting body formation [3]. Peat has a neutral pH and because of its organic content and granular structure, stays porous even after a succession of watering, holds moisture, allows appropriate gaseous exchanges and supports microbial population able to release hormone-like substances which are likely involved in stimulating the initiation of fruit bodies [4,5]
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