Exogenous Nutrition Bag in Morels Cultivation: Research Progress

doi:10.11924/j.issn.1000-6850.casb18030082

Abstract

Abstract: Morels (Morchella spp.) cultivation is booming in our country. However, the function of the exogenous nutrient bags, the key technical link in morels cultivation, is still unclear. In this study, the function of exogenous nutrition bags is analyzed based on the literature reviews and scientific research and production practices. The processing of the morels cultivation using the combination of nutrient poor substratum (soil) and nutrient rich substratum (nutrition bags) is clearly divided into four periods: mycelial growth in soil, mycelial growth in nutrition bags, sclerotial formation in soil and sclerotia induced to produce fruiting bodies. During the trigger and development of sclerotia, translocation of nutrients occurs from the mycelia in the bags that serve as a source to the growth center sclerotia that act as a sink. Thus, the mycelia in the bags translocate their nutrients to the mycelium and sclerotia in soil for the sclerotia initial and formation.

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