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Differential reactions of tobacco to nine Phytophthora species



Differential reactions of tobacco to nine Phytophthora species



Agronomie 5(9): 801-807



The toxicity of culture filtrates of 20 strs. grown on liquid media towards detached leaves and whole plants was tested. On placing plants in the filtrates after removal of the root tips, 2 types of strs. could be distinguished according to the intensity of the symptoms. With the highly toxic (HT) strs. (P. drechsleri, P. cryptogea, P. megasperma and P. cinnamomi) leaves showed severe necrosis and plants developed sudden wilt in 20 h.

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Accession: 001336289

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