Lijun Deng

ORCID: 0000-0002-3926-8093
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Research Areas
  • Plant Gene Expression Analysis
  • Plant Physiology and Cultivation Studies
  • Postharvest Quality and Shelf Life Management
  • Plant responses to water stress
  • Plant biochemistry and biosynthesis
  • Plant Disease Management Techniques
  • Horticultural and Viticultural Research
  • Plant Pathogens and Fungal Diseases
  • Plant Surface Properties and Treatments
  • Plant Virus Research Studies
  • Phytochemicals and Antioxidant Activities
  • Plant and animal studies
  • Plant Stress Responses and Tolerance
  • Polysaccharides Composition and Applications
  • Botanical Research and Applications
  • Marine and coastal plant biology
  • Silicon Effects in Agriculture
  • Plant Reproductive Biology
  • Nematode management and characterization studies
  • Microbial Metabolism and Applications

Sichuan Agricultural University
2019-2025

Late-maturing hybrid citrus is a significant fruit that combines the best traits of both parents and highly prized for its unique flavor. Not only can organic acids alter flavor pulp, but they are also essential cellular metabolism, energy conversion, maintaining acidbase balance in plant tissues. Although play key role quality formation fruits, there still insufficient research on metabolic processes late-maturing varieties. In this study, three varieties with different acidity levels,...

10.3390/ijms26020803 article EN International Journal of Molecular Sciences 2025-01-18

Interstock, located between rootstock and scion, plays a critical role in determining graft compatibility. This study aimed to elucidate the physiological mechanisms mediated by interstock compatibility comparing various leaf root system parameters compatible incompatible combinations. These included growth parameters, photosynthetic pigments, carbohydrates, antioxidant enzyme systems, hormones. The found that both PG (‘Yuanxiaochun’/‘Ponkan’/‘Trifoliate orange’) JJ...

10.3390/plants14040522 article EN cc-by Plants 2025-02-08

Adequate yield and fruit quality are required in commercial plum production. The pollen source has been shown to influence set characteristics. In this study, 'Siyueli', 'Fenghuangli' 'Yinhongli' were used as pollinizers of 'Fengtangli' plum. Additionally, self-pollination, mixed pollination, open pollination performed. We characterized the differences tube growth, among combinations. flowers pollinated by had more pistils with tubes penetrating ovary highest rate, while lowest rate was...

10.3390/ijms232112959 article EN International Journal of Molecular Sciences 2022-10-26

Tangor, an important citrus type, is a hybrid of orange and mandarin possesses their advantageous characteristics. Fruit quality factor limiting the development industry highly depends on fruit ripening programs. However, formation have not been completely explored in mandarin-orange hybrids. We sequenced metabolome transcriptome three cultivars at early fruiting [90 days after full bloom (DAFB)], color change (180 DAFB), (270 DAFB) stages. Metabolome sequencing was performed to...

10.3390/ijms23105457 article EN International Journal of Molecular Sciences 2022-05-13

Fruit cracking affects both the yield and economic efficiency of citrus; however, underlying mechanism remains unclear. Therefore, this study focused on resistant susceptible cultivars to identify mechanisms fruit cracking. The results showed that in 'Mingrijian', pectin morphological transformation hemicellulose lignin degradation pericarp were important contributing factors. During critical fruit-cracking period (115-150 days after flowering), water-soluble pectin, protopectin, contents...

10.3390/plants13020257 article EN cc-by Plants 2024-01-16

The 'Yinhongli' cultivar of Chinese plum (Prunus salicina Lindl.) is characterized by a distinctive bicolored peel phenotype, in which anthocyanins serve as crucial determinants both its visual characteristics and nutritional quality. However, the molecular mechanism underlying light-dependent anthocyanin biosynthesis plum, especially regulatory network pathway, need to be further studied explored. Comprehensive physiological analyses demonstrated distinct pigmentation patterns, revealing...

10.1186/s12870-025-06414-z article EN cc-by-nc-nd BMC Plant Biology 2025-03-27

Citrus is the world's largest fruit category, yet it frequently damaged by weeds during cultivation and management. As a green measure, covering crops in orchards effectively controls enhances soil quality. At present, research on mostly focused soil, but there still lack of how affect citrus trees. This study aims to provide theoretical support for widespread adoption management practices. The previous us found that rattail fescue vicia villosa had notably enhanced organic matter...

10.1186/s12870-025-06519-5 article EN cc-by-nc-nd BMC Plant Biology 2025-04-21

Peelability, a crucial commercial trait for fresh-eating citrus, has received limited research attention regarding its underlying mechanisms. This study investigated three late-maturing citrus cultivars, namely ‘Qingjian’ (QJ), ‘Mingrijian’ (MRJ), and ‘Chunjian’ (CJ), analyzing their peelability development using texture analysis exploring the physiological biochemical factors influencing peeling difficulty. The results showed that improved with fruit maturation, reaching peak at full...

10.3390/plants14091349 article EN cc-by Plants 2025-04-29

The ‘Okitsu No. 58’ citrus variety is highly prone to fruit cracking, which jeopardizes yield and results in economic losses. In this study, we investigated the impacts of spraying 5 distinct concentrations (0.1, 0.2, 0.3, 0.4, 0.5 g/L) chelated calcium (Ca) or silicon (Si) fertilizers at young stage (60-90 days after flowering, DAF) on cracking quality 58’. showed either Ca Si fertilizer treatments reduced cracking. We found that all partial (0.4 significantly promoted accumulation content...

10.3389/fpls.2024.1402945 article EN cc-by Frontiers in Plant Science 2024-07-24

Citrus exhibits unique nutritional values. Most citrus cultivars are derived from mutations. However, the effect of these mutations on fruit quality is unclear. We have previously found a yellowish bud mutant in cultivar ‘Aiyuan 38’. Therefore, this study aimed to determine mutation quality. 38’ (WT) and variant (MT) were used analyze variations color variation flavor substances using colorimetric instruments, high-performance liquid chromatography (HPLC), headspace solid-phase...

10.3390/ijms24108816 article EN International Journal of Molecular Sciences 2023-05-16

In this study, we compared the fruit quality and color of ‘Kiyomi’ (WT) its mutant (MT) grafted on Ziyang xiangcheng (Cj) (WT/Cj, MT/Cj), MT Trifoliate orange (Pt) (MT/Pt). The differences in sugar, organic acid, flavonoids, phenols, volatile substances three materials were also analyzed by high performance liquid chromatography (HPLC) headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC–MS). results showed significant appearance WT/Cj, MT/Cj, MT/Pt. MT/Pt,...

10.3390/ijms242316810 article EN International Journal of Molecular Sciences 2023-11-27

The interstock, a stock between the rootstock and scion, has significant regulatory effect on its function is highly dependent graft compatibility. To assess compatibility of interstock ‘Yuanxiaochun’ was top grafted onto ‘Ponkan’, ‘Shiranuhi’, ‘Harumi’, ‘Tarocco’, ‘Kumquat’. results showed differences in survival ratio preservation among different combinations. Grafting early stages grafting associated with genetic relationship. biomass accumulation revealed that could influence both scion....

10.3390/biology11111639 article EN cc-by Biology 2022-11-09

The red pulp pitaya variety ’Taiwan No. 2’ and the white ’white crystal’ were used as experimental materials, which cold stressed at low temperature of 3 °C for 48h, 96h, recovering room after 96h stress control. relative conductivity (REC), malondialdehyde content (MDA), soluble sugar (SS), protein (SP), free proline (Pro), activity superoxide dismutase (SOD), catalase (CAT) determined resistance analyzed. results showed that, stress, SP, Pro SOD CAT activities ’White Crystal’ higher than...

10.1051/e3sconf/201913101113 article EN cc-by E3S Web of Conferences 2019-01-01
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