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Susceptibility of maize plants with male sterile cytoplasm and their mitochondria to Helminthosporium maydis race T



Susceptibility of maize plants with male sterile cytoplasm and their mitochondria to Helminthosporium maydis race T



Physiologie Vegetale 17(2): 281-295



Experiments were made to extract a host specific toxin of H. maydis (Cochliobolus heterostrophus) race T inducing typical symptoms on leaves of plants carrying the Texas cytoplasm. The toxic effect and specificity for the Texas trait were checked by bioassays using seedlings and mitochondria isolated from plants with N or T cytoplasm. The structure of the toxin was affected by extraction techniques, its activity being reduced or modified by a partial loss in specificity for the T cytoplasm.

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Accession: 000761729

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