番茄的动态植物间距导致高产量,同时减轻了与高种植密度相关的水果质量下降
Margarethe Karpe1, Leo F M Marcelis1, Ep Heuvelink1
1Horticulture and Product Physiology, Department of Plant Sciences, Wageningen University & Research, Wageningen, Netherlands.
Frontiers in plant science
|May 3, 2024
概括
矮番茄种植中的动态间距优化了产量和质量. 这种方法实现了高光拦截和每面积的果实产量,同时保持了与低密度种植相比的果实质量.
科学领域:
- 园艺园艺 园艺园艺
- 植物生理学 植物生理学
- 农业工程 农业工程
背景情况:
- 高种植密度增加了光线拦截和产量,但降低了作物质量.
- 优化种植密度对于在受控环境农业中平衡产量和质量至关重要.
研究的目的:
- 研究不同种植密度和动态间隔策略对矮番茄产量和水果质量的影响.
- 为了确定动态间距是否可以在不影响水果质量的情况下保持高光拦截和产量.
主要方法:
- 矮番茄在四种密度下生长:恒定高 (~100种/m2),恒定低 (~19种/m2),以及两个动态间隔处理 (保持90%和75%的地面覆盖率).
- 测量包括光使用效率 (LUE),可收获的水果产量,水果大小,水果质量 (甜度,酸度) 和植物形态.
- 动态间距涉及减少种植密度在100天的种植过程中3-4步.
主要成果:
- 恒定的高密度产量最多 (11.1 kg/m2),LUE最高 (7.7 g/mol),但结果是水果大小和质量最低.
- 恒定的低密度产量最低 (3.2 kg/m2) 和LUE (2.3 g/mol),但水果质量优越.
- 动态间隔处理 (90%和75%的地面覆盖面) 实现了分别9.1kg/m2和7.2kg/m2的产量,水果质量与低密度种植相提并论.
结论:
- 恒定的高种植密度最大限度地提高了每面积可收获的水果产量,但显著降低了水果质量.
- 动态间隔策略提供了一种有希望的方法,可以大大提高每面积的可收获水果产量,同时保持水果质量.
- 动态间距提供了一个可行的解决方案,以实现高产量,并保持理想的水果质量在密集的番茄种植.
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