Abstract：
:Landraces of maize (Zea mays ssp. mays) and its wild teosinte relatives (Zea mays spp. parviglumis and mexicana) were surveyed for sensitivity to fumonisin B(1), a phytotoxin produced by the maize pathogen Gibberella moniliformis. Only two of 42 Z. mays samples were highly insensitive to FB(1) (ED(50) = ca. 200 microM). The teosintes and 76% of the maize landraces were moderately or highly sensitive to FB(1) (ED(50) < or = 30 microM), which indicates that FB(1) sensitivity is likely to be an ancestral trait in Z. mays. F(1) generations derived from crosses between FB(1)-sensitive maize inbred B73 and insensitive landraces were significantly less sensitive than B73. Thus, our data indicate that FB(1)-insensitivity is a relatively rare but heritable trait in maize. We also report the sensitivity of maize to other Gibberella toxins - beauvericin, diacetoxyscirpenol, and moniliformin.
journal_name
Phytochemistryjournal_title
Phytochemistryauthors
Desjardins AE,Plattner RD,Stessman RJ,McCormick SP,Millard MJdoi
10.1016/j.phytochem.2005.08.013subject
Has Abstractpub_date
2005-10-01 00:00:00pages
2474-80issue
20eissn
0031-9422issn
1873-3700pii
S0031-9422(05)00419-Xjournal_volume
66pub_type
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