7 research outputs found

    AGRONOMIC PERFORMANCE AND THE EFFECT OF SELF-FERTILIZATION ON GERMAN WINTER FABA BEANS

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    Faba bean is mostly grown as spring crop in Central Europe; additionally it is grown as winter crop in few mild areas of UK and France. A genetically divers winter bean population selected for high winter hardiness and very promising as winter crop in Germany was studied here. The population was assessed for its agronomic performance as well as for the effect of inbreeding depression due selfing using an open-pollinated generation and two inbred generations developed from it. The assessment was carried out at four environments in two successive seasons (2001 and 2002) at Goettingen, Central Germany. The open-pollinated population showed better performance in overwintering ability than the UK checks but equivalent performance in yield and other agronomic traits. Winter damage, plant height and yield suffered from inbreeding depression proving heterosis in the open-pollinated generation. Overwintering ability and yield were shown to exhibit a mid parent heterosis of about 32% and of about 75%, respectively. Application of the results in breeding of synthetic cultivars is discussed

    State of Breeding Research in the "Göttinger Winter Bean Population" (Vicia faba L.)

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    Conclusions: Out-crossing rates of the population of winter beans is relatively high compared to the summer beans at Göttingen (58% in 1989, and 50,3 in 1990; Link et al. 1994

    Molecular detection of Mycobacterium tuberculosis and its relationship to histopathological diagnosis in paraffin-embedded lymph node tissues

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    Background: Tuberculous lymphadenitis (TBL) is one of the most common forms of extra pulmonary tuberculosis (EPTB) worldwide, with difficulty in its diagnosis. And since in the Sudan, the routinely used method for diagnosis is conventional histopathology, the aim of this study was to confirm the histopathological diagnosis by polymerase chain reaction (PCR).Methods: In this study 718 lymph node (LN) biopsies were retrieved, of which 161 were diagnosed as TBL (histopathological evidences). PCR technique was performed for all 161 positive samples to detect the IS6110 sequence of M. tuberculosis as well as to obtain the sensitivity and specificity of morphological diagnosis.Results: Out of 161 specimens 135 (84%) were found to be positive with PCR, the remaining 26 (16%) were negative.Conclusions: Although PCR indicated high sensitivity it can’t be a substitute for conventional histopathology in the diagnosis of tuberculous lymphadenitis in tissue

    Food and starvation: is earth able to feed its growing population?

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    Population growth is often pointed out as responsible for many planet hardships particularly for food security issues. Overpopulation does, indeed, affect environment and non-renewable natural resources, but overpopulation is only one of many other issues that need to be tackled toward developing adapted solutions and sustainable food production systems. Introducing sustainability concepts and anti-waste practices into early and late educational stages can help creating environmentally responsible generations that could address ecological footprints of overexploitation, overconsumption and food wastes estimated at around 1.3 billion tons per year at a global level. In contrast, the number of undernourished people in the world is estimated at about 800 million. However, saving only 25 % of the food wasted annually would be enough to feed them all, suggesting that the Earth is able to feed its growing population for the next decades/centuries by reducing food wastes only. Other development and sustainable practices can help preserving, or delaying the depletion of, natural resources, reducing climate change effects, improving health, education and life conditions, and leaving a better planet for future generations
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