Phytoalexins, resistance traits, and domestication status in Phaseolus coccineus and Phaseolus lunatus
Phytoalexins, resistance traits, and domestication status in Phaseolus coccineus and Phaseolus lunatus
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DOI：
10.1023/b:joec.0000006485.38713.8c
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发表时间：
1997-08-01
影响因子：
2.3
通讯作者：
EspinosaGarcia, FJ
中科院分区：
文献类型：
--
作者：
LindigCisneros, R;Benrey, B;EspinosaGarcia, FJ
以野生和栽培菜豆幼苗为材料，研究了菜豆幼苗对病原真菌的抗性和赋予其抗性的病原真菌。结果表明，红拟青霉的病原菌多样性呈梯度变化，野生品种对病原菌的抗性高，栽培品种对病原菌的抗性低。不同月份的月形草品种在抗性和生氰能力方面表现出相同的趋势，但异黄酮多样性方面表现出不同的趋势。建议植物抗毒素天然混合物的有效性更多地取决于其多样性，而不是其在幼苗中的总水平。
Resistance to pathogenic fungi and the isoflavonoids that confer such resistance capabilities were studied in two systems of wild and cultivated Phaseolus spp, seedlings. Results for P. coccineus show a gradient in isoflavonoid diversity with pathogen resistance high in wild varieties and low in cultivated ones. P. lunatus varieties showed the same trend in resistance and cyanogenic capacity, but not in isoflavonoid diversity. It is suggested that the effectiveness of the phytoalexin natural mixture depends more on its diversity than its total levels in seedlings.