Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 20: 37 - 41
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.20.009
Comprehensive prevention and control techniques for continuous cropping obstacles of ornamental gourds
Received date: 2025-07-07
Online published: 2025-10-31
The manifestations and mechanisms of continuous cropping obstacles in ornamental gourds, with fruit morphology and cortex quality as the core values were systematically reviewed, and integrated control measures for cucurbit crops were proposed. The obstacle of continuous cropping of ornamental gourds refers to the growth inhibition phenomenon that occurs after continuous cultivation of the crop, which not only manifests as slow seedling growth, abnormal root development, decreased plant resistance, and high incidence of pests and diseases, but also directly leads to problems such as fruit deformity and rough cortex. The mechanisms primarily involve: imbalance of soil nutrients due to excessive fertilizer application, leading to micronutrient deficiency and salt accumulation; buildup of soil-borne pathogens and pests (Fusarium spp. and root-knot nematodes); and the accumulation of phenolic acids released through root exudates and residue decomposition. Based on this, a comprehensive prevention and control strategy for continuous cropping obstacles of cucurbit crops was summarized, with the premise of ensuring the commercialization of the crop, including soil management, regulating soil nutrition through balanced fertilization, increased organic fertilizer application, and supplementation of secondary and micronutrients, while utilizing plant growth-promoting rhizobacteria to improve the microecology. Pathogen control, implementing crop rotation models to disrupt pathogen cycles, combined with physical and chemical methods such as solarization and chemical disinfection to reduce soil pathogen load. Beneficial microorganisms should be reintroduced after disinfection to restore soil fertility. Biotechnology applications, breeding disease-resistant varieties and using grafting techniques (with pumpkin rootstocks) to enhance plant stress tolerance. These measures collectively form an integrated management system, providing a reference for addressing continuous cropping obstacles in ornamental gourds.
LI Hongyu , XUAN Huaqiang , LIN Guochen , XIE Zhigang , GUO Yunping , HU Haifei , YIN Yuanyuan . Comprehensive prevention and control techniques for continuous cropping obstacles of ornamental gourds[J]. Anhui Agricultural Science Bulletin, 2025 , 31(20) : 37 -41 . DOI: 10.16377/j.cnki.issn1007-7731.2025.20.009
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