KHẢO SÁT MÔI TRƯỜNG NUÔI TRỒNG NẤM HẦU THỦ CHỊU NHIỆT (HERICIUM ERINACEUS)

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Tác giả: Nhi Nguyễn Thị Ngọc, Thuận Nguyễn Minh

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học - Đại học Thủ Dầu Một, 2023

Mô tả vật lý: tr.45728

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ID: 340981

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Lion's mane mushroom (Hericium erinaceus) is a mushroom with many important nutritional and medicinal values. The creation of a mutant lion' s mane mushroom with heat tolerance, strong growth and suitable for tropical climate conditions is a very useful breakthrough in scientific research. However, studies on the cultivation of heat resistant lion's mane mushroom in Vietnam are still very limited. The growing environment is quite complex and requires many secondary factors that make the production of this fungus unpopular. Therefore, it is extremely important to research and investigate to simplify the culture environment while still achieving high yield. Stemming from the above urgent reasons, this research was carried out to determine the suitable culture for propagation of heat-resistant lion's mane mushroom as well as to investigate the composition of the propagation medium to produce fruiting bodies for this fungus on sawdust background. The results showed that, for the propagation medium of heat-resistant lion's mane mushroom, the rice seed medium supplemented with 6% corn bran and 1% KH2PO4 mineral for fast-spreading silk was the most suitable source of nutrients. Regarding the spinning speed on the embryo sac, the culture with rubber sawdust and 10% corn bran gives the fastest speed. This research is a necessary premise for the mass production of lion's mane mushroom later.Nấm hầu thủ (Hericium erinaceus) là loại nấm chứa nhiều giá trị dinh dưỡng và dược tính quan trọng. Việc tạo được giống nấm hầu thủ đột biến có khả năng chịu nhiệt, phát triển mạnh mẽ và phù hợp với điều kiện môi trường khí hậu nhiệt đới là bước đột phá rất hữu ích trong nghiên cứu khoa học. Tuy nhiên, các công trình nghiên cứu về việc nuôi trồng nấm hầu thủ chịu nhiệt ở Việt Nam còn rất hạn chế. Môi trường nuôi trồng khá phức tạp, đồng thời đòi hỏi phải bổ sung nhiều yếu tố khiến cho việc sản xuất giống nấm này chưa được phổ biến. Do đó, việc nghiên cứu khảo sát nhằm đơn giản hóa môi trường nuôi mà vẫn đạt được năng suất cao là rất quan trọng. Xuất phát từ những lí do cấp thiết trên, nghiên cứu này được thực hiện nhằm xác định môi trường thích hợp nhân giống cấp 2 nấm hầu thủ chịu nhiệt cũng như khảo sát thành phần môi trường nhân giống tạo quả thể đối với giống nấm này trên cơ chất mùn cưa. Kết quả cho thấy, về môi trường nhân giống nấm hầu thủ chịu nhiệt, môi trường hạt lúa bổ sung 6% cám bắp với 1% khoáng KH2PO4 cho tốc độ lan tơ nhanh, là nguồn dinh dưỡng thích hợp nhất. Về tốc độ lan tơ trên túi phôi, môi trường chứa mùn cưa cao su và 10% cám bắp cho tốc độ lan tơ nhanh nhất. Nghiên cứu này là tiền đề cần thiết cho việc sản xuất đại trà nấm hầu thủ sau này.

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