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Scientia Silvae Sinicae ›› 2000, Vol. 36 ›› Issue (2): 82-86.doi: 10.11707/j.1001-7488.20000213

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STUDIES ON THE ROLE MACHINISMS OF THE BROWN SPOT NEEDLE BLIGHT FUNGUS TOXIN TO MAKE HOST CELL DAMAGES

Ye Jianren,Qi Gaofu,Bao Hong,Feng Weizhong   

  1. Nanjing Forestry University Nanjing 210037
  • Received:1999-04-13 Revised:1900-01-01 Online:2000-03-25 Published:2000-03-25

Abstract:

After the host callus cells were inoculated with the toxin, the many bubbles in cell plasma were observed in 2 days. The toxin could induce the more O2 and spur a peroxidation reaction of the lipid in host callus plasmolemma. And then lead to change the lipid acids composition of the plasmolemma. The toxin could also make the quantity of MDA increased in 4h, and the electrolyte leakage in 6h. Finally, the plasmolemma was damaged, and the cells were killed.

Key words: Brown spot needle blight, Toxin, Pathogenic machinism