ArticleBMC plant biology2026
Effects of variety and irrigation on root morphological, physiological and molecular adaptation mechanism in soybean fields in a semi-arid region of China.
Article in BMC plant biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
Abstract
backgroundDrought severely reduces soybean yield in semi-arid areas, and the drought resistant varieties and irrigation can effectively alleviate the loss of yield caused by drought. However, the impact of irrigation on the morphological, physiological, and molecular adaptation mechanisms of different drought-resistant soybean genotypes remains poorly understood.
methodsA three-year field experiment was conducted in a semi-arid region to evaluate the effects of two irrigation regimes (non-irrigated and irrigated) and two soybean varieties (LD14 and LD21) on root morphological, physiological, and molecular traits.
resultsThe results showed that irrigation increased the total root length, root surface area, root volume, and shoot biomass in both varieties. In contrast, irrigation reduced root-shoot ratio (R/SF and R/SD), antioxidant enzyme activities (POD and CAT), and the accumulation of soluble proteins, soluble sugars, proline, and MDA. Meanwhile, CAT activity and soluble protein content of LD14 were higher than those of LD21. More specifically, four CAT1-encoding genes were upregulated in the NLD21 vs. NLD14 and ILD21 vs. ILD14 comparisons, which showed the expression level of the gene encoding CAT1 in LD14 is higher than that in LD21. The mitochondria of LD21 was damaged more severe than that of LD14 on non-irrigated conditions. The vessel diameter of LD14 was larger than that of LD21 under the same irrigation condition; whereas the vessel diameter of the non-irrigated level was larger than that of the irrigated treatment for the same variety. Further research supposed these genes LOC100786184, LOC102669408, LOC100789083 and LOC100802727 may indirectly reduce the diameter of xylem vessels. KEGG analysis revealed that DEGs and DAMs in different comparison groups were mainly enriched in fatty acid degradation, flavone and flavonol biosynthesis, plant hormone signal transduction, etc.
conclusionsLD14 (drought-resistant cultivar) showed a lower root length percentage with diameters of 0–0.1 mm compared with LD21(drought-sensitive cultivar). Generally, the soluble protein content and CAT activity in LD14 were higher than those in LD21, whereas the MDA content in LD14 was lower than that in LD21. The vessel diameter of LD14 was larger than that of LD21. The mitochondria of LD21 was damaged more severe than that of LD14 on non-irrigated conditions. The yield, pod number per plant, seed number per pod, plant height, main stem node number and branch number of LD14 were higher than those of LD21 in the same irrigation treatment. However, 100-seed weight and internode length of LD14 were lower than those of LD21. These findings hold important theoretical and practical significance in improving the drought resistance of soybean.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.