The Arbuscular fungus had formed the symbiont with the ancient land lower plants before the appearance of the higher plant.

菌根真菌早在高等植物出现以前，就已经同古老的陆生低等植物形成了共生体。

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At present, the edible fungus amount is lower than developed country's level by far. The quantity required of market is big more and more. The expert thought that the market is promising.

目前，我国食用菌人均食用量远远低于世界发达国家水平，市场需求量越来越大，市场前景被业内专家看好。

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