IN addition to the red pigment, hæmoglobin,· we have always found in leguminous root nodules a brown pigment. This is methæmoglobin with trivalent iron1. The simplest way of demonstrating its ...

Bacteria inside root nodules need oxygen to survive. A pink or red color inside a nodule indicates the oxygen supply is robust and the bacteria are thriving. Disclaimer: AAAS and EurekAlert!

Nodules on the roots of peas and beans help the plant to secure its own nitrogen, reducing the need for artificial fertiliser. Professor Giles Oldroyd's group is researching how this could be ...

Sixty percent of nitrogen in land plants and animals arrives by way of bacteria that live in special root nodules of leguminous plants, such as soybeans. These bacteria convert or ‘fix ...

However, legume crops stop producing root nodules when the soil has relatively high concentrations of nitrogen and as a result potentially miss out on producing higher yields. Scientists around ...

These beneficial bacteria are housed in root nodules formed on legume roots. However, the uncontrolled formation of numerous root nodules can impede root function. To prevent this, legumes need to ...

Tests of field pea varieties conducted this summer in plot trials suggest that some commercial varieties have more genetic ...