Labs in Mexico banked corn species.

墨西哥的实验室里储藏了玉米种。

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The corn curvalaria leaf spot occurred lightly and 20 corn species were divided into two kinds of type of disease resistanse of middle susceptibility and middle resistanse.

弯孢霉叶斑病为轻发生，并将20个玉米品种划分为中感和中抗两种抗病类型。

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They feed on some 300 species of plant, including figs, mulberries, corn, citrus fruits as well as soybeans, legumes and weeds.

它们以300种植物为食，包括无花果，桑椹，玉米，柑橘类水果以及大豆，豆类和杂草。

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Yet, as the National Academy of Sciences has noted, this method is far more unpredictable than inserting a single gene from another species, as was done to produce insect-resistant corn, soybeans and cotton.

FORBES: Green Genes