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  • Open Access


    Effects of Allelochemicals on Root Growth and Pod Yield in Response to Continuous Cropping Obstacle of Peanut

    Zhaohui Tang1,2,3, Feng Guo1,2,3, Li Cui1,2,3, Qingkai Li4, Jialei Zhang1,2,3, Jianguo Wang1,2,3, Sha Yang1,2,3, Jingjing Meng1,2,3, Xinguo Li1,2,3, Ping Liu2,3,5,*, Shubo Wan1,2,3,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 17-34, 2023, DOI:10.32604/phyton.2022.022405


    Continuous cropping (CC) obstacle is a major threat in legume crops production; however, the underlying mechanisms concerning the roles allelochemicals play in CC obstacle are poorly understood. The current 2-year study was conducted to investigate the effects of different kinds and concentrations of allelochemicals, p-hydroxybenzoic acid (H), cinnamic acid (C), phthalic acid (P), and their mixtures (M) on peanut root growth and productivity in response to CC obstacle. Treatment with H, C, P, and M significantly decreased the plant height, dry weight of the leaves and stems, number of branches, and length of the lateral stem compared with control. Exogenous… More >

  • Open Access


    Soil Fungal Community Structure Changes in Response to Different Long-Term Fertilization Treatments in a Greenhouse Tomato Monocropping System

    Xiaomei Zhang, Junliang Li, Bin Liang*

    Phyton-International Journal of Experimental Botany, Vol.90, No.4, pp. 1233-1246, 2021, DOI:10.32604/phyton.2021.014962

    Abstract Greenhouse vegetable cultivation (GVC) is an example of intensive agriculture aiming to increase crop yields by extending cultivation seasons and intensifying agricultural input. Compared with cropland, studies on the effects of farming management regimes on soil microorganisms of the GVC system are rare, and our knowledge is limited. In the present study, we assessed the impacts of different long-term fertilization regimes on soil fungal community structure changes in a greenhouse that has been applied in tomato (Solanum lycopersicum L.) cultivation for 11 consecutive years. Results showed that, when taking the non-fertilizer treatment of CK as a benchmark, both treatments of… More >

  • Open Access


    Soil Fungal Diversity and Community Composition in Response to Continuous Sweet Potato Cropping Practices

    Dan Xiang1,2, Yue Wu2, Huan Li2, Qing Liu2, Zhenfeng Zhou2, Qinghua Chen2, Nan Zhang3, Liang Xu1,2,*

    Phyton-International Journal of Experimental Botany, Vol.90, No.4, pp. 1247-1258, 2021, DOI:10.32604/phyton.2021.014232

    Abstract Soil fungi are extremely important for maintaining soil health and plant production in agricultural systems. Currently, the effect of continuous cropping of sweet potato on soil fungal communities and physiochemical parameters has not been well documented. In the present study, four sweet potato fields consecutively monocultured for 1, 2, 3, and 4 years were selected to investigate the effect of monoculture on soil fungal communities through Illumina MiSeq sequencing. Continuous cropping of sweet potatoes dramatically altered the fungal community composition, whereas fungal diversity was almost unchanged. Ascomycota and Basidiomycota were the most abundant phyla in all soil samples, accounting for… More >

  • Open Access


    Effects of various continuous cropping times on soil nematode structure in cotton fields of Xinjiang, China

    Li XL1,2, YC Wang3, CA Busso4, JS Xiang1, AM Zhang1, YW Qu1, Y Liu2

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 27-35, 2016, DOI:10.32604/phyton.2016.85.027

    Abstract Long-term continuous cropping of cotton had led to substantial agricultural losses. However, continuous cotton cropping could maintain high crop yields for many years in some areas. The composition and structure of soil nematode communities were investigated to explore the effect of continuous cropping and soil depths on these communities. Soil samples were collected at two soil depths (0-20 cm and 20-40 cm) from cotton fields with a history of 5, 10, 15 or 20 years of continuous cotton cropping in the Karamay region. The results showed that 36 genera were found. Significant differences in the numbers of total nematodes and… More >

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