ITRAQ-based proteome profile analysis of superior and inferior Spikelets at early grain filling stage in japonica Rice.

ABSTRACT:

Background

Large-panicle rice varieties often fail to achieve their yield potential due to poor grain filling of late-flowering inferior spikelets (IS). The physiological and molecular mechanisms of poor IS grain filling, and whether an increase in assimilate supply could regulate protein abundance and consequently improve IS grain filling for japonica rice with large panicles is still partially understood.

Results

A field experiment was performed with two spikelet removal treatments at anthesis in the large-panicle japonica rice line W1844, including removal of the top 1/3 of spikelets (T1) and removal of the top 2/3 of spikelets (T2), with no spikelet removal as a control (T0). The size, weight, setting rate, and grain filling rate of IS were significantly increased after

SUBMITTER: You C 

PROVIDER: S-EPMC5463490 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature