Yazan Ali (1) *, Riyad Zidan (1), Jehan Mtawj (2), and Jenan Othman (1)
(1) Department of Horticulture, Faculty of Agriculture, Tishreen University, Lattakia, Syria.
(2) The General Organization for Seed Multiplication, Lattakia, Syria.
(*Corrsponding author: Yazan Ali. E-Mail: yazan123no123@gmail.com).
Received: 21/06/2022 Accepted: 30/10/2022
Abstract:
The research was carried out on a private farm for the production of mushrooms in the village of Stmarkho in Lattakia governorate, under dark room conditions for mushroom production in 2022. The research aimed to study the effect of adding potassium humate and cotton waste on the production and quality of oyster mushrooms. The research included 9 treatments: control (wheat straw only), adding potassium humate at 150 and 200 mg/kg, cotton waste at 2.5% and 5% from dry weight to the substrate, and four mixed treatments. after sterilization and add cotton waste and potassium humate, the substrate was inoculated using 5% oyster mushroom mycelium, and then put in polyethylene bags. each bag filled with 3.3 kg (1 kg of dry straw) of inoculated substrate (165 g spawn/bag). The results of the study showed that the addition of cotton waste and potassium humate to the substrate led to an increase in the amount of production with significant differences compared to the control, and the cotton waste treatment was superior by 5% over the control and on all other treatments with significant differences and production amounted to (373.7 g/kg wet substrate), followed by treatment Cotton waste 2.5% with a production amounted to (342.9 g/kg), and came in third place the treatment of potassium humate 150 mg with a production amounted to (335.5 g/kg). The results also showed that adding cotton waste and potassium humate led to improve the qualitative properties of the mushroom in terms of the percentage of protein, and the cotton waste 5% treatment achieved the highest percentage of protein amounted to (3.99%), and the cotton waste 2.5% treatment achieved the highest percentage of ash amounted to (1.1%),while there were no significant differences in terms of the percentage of carbohydrates.
Key words: oyster mushrooms, cotton waste, potassium humate, productivity, quality characteristics
Full paper in Arabic: pdf