Toxic effects of Pb2+ on growth of cowpea (Vigna unguiculata)
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منابع مشابه
Toxic effects of Pb2+ on growth of cowpea (Vigna unguiculata).
A concentration as low as 1 microM lead (Pb) is highly toxic to plants, but previous studies have typically related plant growth to the total amount of Pb added to a solution. In the present experiment, the relative fresh mass of cowpea (Vigna unguiculata) was reduced by 10% at a Pb2+ activity of 0.2 microM for the shoots and at a Pb2+ activity of 0.06 microM for the roots. The primary site of ...
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Nodulated cowpea (Vigna unguiculata L. Walp. cv Vita 3:Bradyrhizobium CB 756) plants were cultured with their whole root system or crown root nodulation zone maintained for periods from 5 to 69 days after planting in atmospheres containing a range of pO(2) (1-80%, v/v) while the rest of the plant grew in normal air. Growth (dry matter yield) and N(2) fixation were largely unaffected by pO(2) fr...
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ژورنال
عنوان ژورنال: Environmental Pollution
سال: 2007
ISSN: 0269-7491
DOI: 10.1016/j.envpol.2007.01.011