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Browsing by Person "Mahmood, Asim"

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    Nutrient seed treatments to improve abiotic stress tolerance in Brassica napus L.
    (2020) Mahmood, Asim; Neumann, Günter
    Poor germination and limitations during early plant growth are widespread constraints for oilseed rape (OSR; Brassica napus L.) with increasing importance due to a rising frequency of weather extremes related with global climate change. In this study, efforts have been made to improve health and stress resistance of OSR by exploring perspectives of cost-effective application techniques for micronutrients with stress- protective functions to cover increased demands of these nutrients under stress conditions. After preliminary screening experiments, special emphasis was placed on zinc (Zn) seed treatments including seed priming (SP) and seed dressing (SD). Effects on seedling performance during early growth were recorded at optimal conditions for plant growth in terms of temperature, nutrient and water supply and also under drought stress for winter OSR and under low root zone temperature (RZT) stress in spring OSR. Accordingly, both, ZnSP and ZnSD may offer practical, economically low-cost application methods to improve early seedling establishment particularly under challenging environmental conditions, to improve the perspectives for conversion into higher economic yields and could be equally attractive for small-scale on-farm use and rape seed industry.