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Filtering by: Has journal Plant Physiology Remove constraint Has journal: Plant Physiology Committee Member Bottomley, Peter Remove constraint Committee Member: Bottomley, Peter Committee Member Loper, Joyce Remove constraint Committee Member: Loper, Joyce

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  • Biology, epidemiology, and biological and chemical control of Phytophthora vignae

    Creator:
    Fernando, W. Gerard Dilantha
    Abstract:
    Phytophthora vignae, causal agent of stem and root rot of cowpea (Vigna unguiculata), was reported for the first time in Sri Lanka. The pathogen was found in cowpea field soils from 3 of 5 geographic regions sampled. Only one site however, had plants exhibiting disease symptoms. Of the eight cowpea...
    Resource Type:
    Dissertation
    Full Text:
    of Doctor of Philosophy in Botany and Plant Pathology presented on October 4, 1990. Title: Biology

  • Iron acquisition and its regulation in Nitosomonas europaea

    Creator:
    Vajrala, Neeraja
    Abstract:
    Iron is absolutely necessary for the maintenance, the defense, the differentiation and last, but by no means least, the growth and cellular division of almost all living organisms including Nitrosomonas europaea, an ammonia oxidizing bacterium. Given the necessity of iron, it is not surprising that N. europaea evolved several irondependent...
    Resource Type:
    Dissertation
    Full Text:
    by adjusting its physiology. The study also showed that N. europaea responded to Fe limitation by