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Spermosphere

Spermosphere
It is the volume of soil that surrounds a seed. It is an area of increased microbial activity around a germinating seed because of the nutrients leaked into the soil by the germinating seeds. In 1904, M. Duggali was the first to report about the bacterial flora carried by healthy seeds. While most of the microbes are harmless, some may be positively beneficial and some of them may be pathogenic.

Spermosphere organisms forming the normal flora around a germinating seed have some beneficial effects through biological products like growth hormones. Germinating seeds excrete certain chemicals which may influence the quality and quantity of microbes in the vicinity of the seed.

 

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