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Determining links between plant defence strategies is important to understand plant evolution and to optimize crop breeding strategies. Although several examples of synergies and trade-offs between defence traits are known for plants that are under attack by multiple organisms, few studies have attempted to measure correlations of defensive strategies using specific single attackers. Such links...

The increase in the number of power-driven hammer-mills in the rural areas of Southern Rhodesia is causing a rapid reduction in the amount of grain ground by women in the villages, except in the remoter areas, where the main crop is usually sorghum or millet. The meal produced by hammer-mills is substantially straight-run and is usually modified slightly by sifting before cooking, the coarser, ...

We evaluated the efficiency of the touchdown method to determine the ideal PCR conditions for distinct inter-simple sequence repeat primers for processing DNA from common corn, popcorn, sweet corn, and a Tripsacum-maize hybrid. Genomic DNA was extracted from eight accessions of corn: two of the dent type, one Tripsacum-maize hybrid, one sweet corn, one flint-type corn, and three popcorn. Fiftee...