Root lodging is a physical stress that changes gene expression from sucrose accumulation to degradation in sorghum.

ABSTRACT:

Background

Sorghum (Sorghum bicolor L.) is used as a raw material for biofuels because it accumulates sugars at high levels in the stem. Lodging of sorghum occurs when the soil is wet and very high winds blow across the field. In root lodging, the roots are pulled loose from the soil, causing the plant to fall over. Lodging reduces the yield of nonstructural carbohydrates. It is not yet clear which genes show changes in expression when sorghum falls over. We compared whole-gene expression in the mature stems of intact and lodged sorghum plants, with a focus on comparisons from the perspective of differences in sugar accumulation or degradation.

Results

Lodging decreased sucrose content, starch content, and ratio of sucrose to total sugars in the stems of the sorghum cultivar

SUBMITTER: Mizuno H 

PROVIDER: S-EPMC5751775 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature