Sentences with phrase «where fall armyworm»
Like his colleague Daniel Giddings Vassão, Felipe Wouters is from Brazil, where fall armyworm caused major losses of the maize yield before Bt maize was introduced.
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For years, chemical ecologist Dawn Luthe and her students wondered why fall armyworm caterpillars (Spodoptera frugiperda) let piles of feces, known as frass, accumulate on corn, trapped in the plant's cuplike whorls where the leaves join the stalk.