ArticleFrontiers in plant science2026
Drought priming promotes phloem loading-driven sucrose export to alleviate the photosynthetic limitations under low nitrogen stress in wheat seedlings.
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Reducing nitrogen (N) application can improve nitrogen use efficiency (NUE) and mitigate environmental pollution. However, this reduction often adversely affects photosynthesis and leads to inhibition of wheat growth. Thus, exploring effective agronomic measures to improve wheat's tolerance to low N is essential for balancing the conflict between N reduction and wheat growth. Drought priming has been proven to enhance plant stress tolerance, but its role and mechanisms in improving photosynthetic capacity under low N stress remain unclear. The effects of drought priming on wheat growth and photosynthesis were investigated under low N stress using hydroponic experiments with two wheat varieties, YM158 (low N-tolerant) and YM25 (low N-sensitive). The results showed that low N stress significantly inhibited biomass accumulation, whereas drought priming effectively alleviated this growth inhibition. Drought priming significantly increased the net photosynthetic rate (
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