The pathogenic bacterium penetrated through the interior of the seaweed by decomposing the epidermic cell walls.There were more pathogens in the pith than those in the cortex.

 
  • 兩種發(fā)病藻體病理變化基本一致,細菌通過(guò)分解表皮細胞壁后侵入藻體內部,表皮和皮層細胞內細菌數量較少,髓部較多。
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