LYU Yanling,ZHANG Jiawang,ZHANG Lili,et al.Effects of Different Topdressing K Quantity on Photosynthesis,Yield and Quality of Oriental Melon in Solar Greenhouse[J].Northern Horticulture,2023,(11):53-59.[doi:10.11937/bfyy.20224349]
钾肥不同追施量对日光温室薄皮甜瓜光合特性、产量及品质的影响
- Title:
- Effects of Different Topdressing K Quantity on Photosynthesis,Yield and Quality of Oriental Melon in Solar Greenhouse
- Keywords:
- oriental melon; topdressing K quantity; photosynthesis; yield; quality
- 文献标志码:
- A
- 摘要:
- 以自育薄皮甜瓜品种“甘露6号”为试材,在日光温室基质栽培条件下,设7个追施钾肥处理,研究了钾肥追施量对日光温室薄皮甜瓜光合作用、产量及品质的影响,明确钾肥最佳追施量,旨在为设施薄皮甜瓜科学合理施用钾肥提供参考依据。结果表明:钾肥追施量在184.5 kg?hm-2时,薄皮甜瓜的叶绿素含量、光合特性、可溶性固形物、含糖量、维生素C和可溶性蛋白质含量及产量均达到最大值。在日光温室基质栽培条件下,N为225 kg?hm-2,P2O5为135 kg?hm-2,基肥施K2O量为112.5 kg?hm-2,后期追K2O量为184.5 kg?hm-2时,有利于提高薄皮甜瓜光合作用、产量和营养品质。
- Abstract:
- The self-bred muskmelon variety ‘Ganlu No.6’ was used as the experimental material with seven topdressing potassium fertilizer treatments,the effect of topdressing K quantity on yield,quality and photosynthesis of oriental melon in solar greenhouse was explored,and the best topdressing amount of potassium fertilizer was determine,in order to provide reference for the scientific and rational application of potassium fertilizer in thin-skinned melon.The results showed that the chlorophyll content,photosynthetic characteristics,soluble solids,sugar content,vitamin C and soluble protein content and yield all reached the maximum value when the topdressing K quantity was 184.5 kg?hm-2.Therefore,under the condition of substrate cultivation in solar greenhouse,when the fertilizer amount was N 112.5 kg?hm-2,P2O5 225 kg?hm-2,K2O 112.5 kg?hm-2 first and 184.5 kg?hm-2 later,it was beneficial to improve the photosynthesis,yield and nutritional quality of oriental melon.
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备注/Memo
第一作者简介:吕艳玲(1982-),女,硕士,副研究员,现主要从事瓜类遗传育种与栽培技术等研究工作。E-mail:lvyanling_2008@163.com.责任作者:何明(1971-),女,硕士,研究员,现主要从事瓜类遗传育种与栽培技术等研究工作。E-mail:15942321068@163.com.基金项目:国家西甜瓜产业技术体系沈阳综合试验站资助项目(CARS-25);沈阳市科技计划资助项目(22-318-2-14);辽宁省科学技术计划资助项目(2022JH1/10200004);辽宁省农业科学院基本科研业务费科技服务类资助项目(2023-XCZX-A2-014)。收稿日期:2022-10-26