Morchella exogenous nutrition bag as well as preparation method and application thereof

The invention relates to the technical field of pest control, and discloses a toadstool exogenous nutrition bag and a preparation method and application thereof.The toadstool exogenous nutrition bag is composed of traditional Chinese medicine components and a matrix according to the weight ratio of 2-4: 10; the traditional Chinese medicine components comprise the following raw materials in parts by weight: 16-25 parts of turmeric, 15-22 parts of veratrum nigrum, 8-14 parts of radix aconiti agrestis, 5-9 parts of croton seeds, 4-8 parts of bitter sandalwood seeds and 7-15 parts of realgar; the substrate is one or two of wheat and corncob. The preparation method comprises the following steps: soaking the matrix according to the formula ratio in water to obtain the soaked matrix; drying and crushing the turmeric according to the formula ratio to obtain turmeric powder; the preparation method of the black false hellebore powder, the kusnezoff monkshood root powder, the croton powder, the bitter sandalwood seed po