ArticleScientific reports2019
Activities of starch synthetic enzymes and contents of endogenous hormones in waxy maize grains subjected to post-silking water deficit.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 28 citations in OpenAlex.
- Reducing nitrogen with dense planting increase sweetpotato storage roots quantity via favoring starch synthesis over lignification.iScience · 2026Article
- Modification of starch synthesis in food crops using CRISPR/Cas9 gene editing technology for changing climate.Stress biology · 2026Review
- Influence of Environmental Factors on the Starch Quality of Sorghum: A Multifaceted Analysis of Structural, Nutritional, and Functional Profiles.Foods (Basel, Switzerland) · 2025Article
- Photosynthetic performance of spring maize leaves and the development and formation of superior and inferior grains.Frontiers in plant science · 2025Article
- Unveiling Drought-Resilient Latin American Popcorn Lines through Agronomic and Physiological Evaluation.Life (Basel, Switzerland) · 2024Article
- Effect of calcium and magnesium on starch synthesis in maize kernels and its physiological driving mechanism.Frontiers in plant science · 2023Article
- Effects of water deficit at different stages on growth and ear quality of waxy maize.Frontiers in plant science · 2023Article
- Exogenously-Sourced Ethylene Positively Modulates Photosynthesis, Carbohydrate Metabolism, and Antioxidant Defense to Enhance Heat Tolerance in Rice.International journal of molecular sciences · 2022Article
- Proteomics reveals the effects of drought stress on the kernel development and starch formation of waxy maize.BMC plant biology · 2021Article
- Phenotyping Latin American Open-Pollinated Varieties of Popcorn for Environments with Low Water Availability.Plants (Basel, Switzerland) · 2021Article
- Application of Exogenous Phytohormones at Silking Stage Improve Grain Quality under Post-Silking Drought Stress in Waxy Maize.Plants (Basel, Switzerland) · 2020Article
- Comparison of Selection Traits for Effective Popcorn (Frontiers in plant science · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Rainfed maize in Southern China and frequently suffer water deficit at later plant growth periods. A pot trial in 2014-2015 was conducted to study the effects of drought stress (the relative soil moisture contents are 70-80% and 50-60% under control and water deficit conditions, respectively) after pollination on grain filling and starch accumulation, activities of starch synthetic enzymes, and contents of indole-3-acetic acid (IAA) and abscisic acid (ABA), with Suyunuo5 as test material. The grain fresh weight, volume, and dry weight were not affected by drought before 10 days after pollination but were restricted thereafter. The reduction at maturity was reduced by 33.3%, 40.0%, and 32.3% in 2014 and by 21.7%, 24.3%, and 18.3% in 2015. The grain filling rate was suppressed by water deficit, whereas grain moisture and starch content were slightly affected. The starch accumulation was decreased by 33.5% and 20.0% at maturity in 2014 and 2015, respectively. The activities of starch synthetic enzymes (sucrose phosphate synthase, sucrose synthase, ADP-glucose pyrophosphorylase, soluble starch synthase, and starch branching enzyme) were downregulated by post-silking drought. The ABA content was increased, whereas IAA content was decreased when plants suffered water deficit during grain filling. In conclusion, post-silking water deficit increased ABA content, decreased IAA content, and weakened the activities of starch synthetic enzymes, which suppressed grain development and ultimately reduced grain weight.
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