Effects of Salinity Sources on Growth, Physiological Process, Yield, and Fruit Quality of Grafted Rock Melon (Cucumis melo L.)

IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY
Muhamad Hafiz Muhamad Hassan, Y. Awang, Juju Nakasha Jaafar, Z. Sayuti, Muhammad Najib Othman Ghani, Z. H. Mohamad Sabdin, Muhamad Hazim Nazli
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Abstract

There is an increase in demand for high-quality rock melon for the local market. Supplementing salt with a nutrient solution is a viable approach that can be implemented to improve fruit quality. Therefore, this study aims to determine the best salt treatment that can be utilized to increase fruit quality without reducing growth, yield, and physiological process. The study is conducted by grafting (DAG) rock melon/bottle gourd at 18 days with four sources of salinity: basic nutrient solution (BNS) (2.5 dS m-1), sodium chloride (NaCl) (50 mM) + BNS (7.1 dS m-1), potassium nitrate (KNO3) (50 mM) + BNS (7.1 dS m-1), and high strength nutrient solution (NS) (7.1 dS m-1). The plants were arranged in a randomized complete block design (RCBD) with four replications. Salinity induced using KNO3 + BNS sustained most growth variables, fruit quality, relative water content, and leaf gas exchange compared with control. However, applying NaCl + BNS and high strength NS could sustain all physiological processes and increase fruit quality components, such as total soluble solid and sugar-acid ratio compared to control. Fruit weight had reduced regardless of salinity sources than those grown in control with their respective fruit weight reduction of 28.8%, 28.26%, and 27.72%. To conclude, incorporating NaCl at 50 mM is the most feasible approach to be applied on grafted rock melon/bottle gourd even though the fruit weight had reduced. It is due to the high fruit quality measured, capable of sustaining all physiological processes, provides lower cost, and is easily accessible than other sources of salinity.
盐分来源对嫁接甜瓜生长、生理过程、产量和果实品质的影响
当地市场对优质甜瓜的需求有所增加。用营养液补充盐是改善果实品质的可行方法。因此,本研究旨在确定在不影响生长、产量和生理过程的情况下提高果实品质的最佳盐处理。以18 d嫁接(DAG)冬瓜/冬瓜为试验材料,采用碱性营养液(BNS) (2.5 dS m-1)、氯化钠(NaCl) (50 mM) + BNS (7.1 dS m-1)、硝酸钾(KNO3) (50 mM) + BNS (7.1 dS m-1)、高强度营养液(NS) (7.1 dS m-1) 4种盐源。植株采用随机完全区组设计(RCBD),每组4个重复。与对照相比,KNO3 + BNS盐胁迫对大部分生长变量、果实品质、相对含水量和叶片气体交换均有影响。与对照相比,施用NaCl + BNS和高强度NS可以维持所有生理过程,提高果实品质成分,如总可溶性固形物和糖酸比。结果表明,与对照相比,不同盐源处理的果实重量分别降低了28.8%、28.26%和27.72%。综上所述,50mm NaCl处理是嫁接冬瓜/冬瓜最可行的处理方法,尽管其果实质量有所降低。这是由于果实质量高,能够维持所有生理过程,提供较低的成本,并且比其他盐碱来源更容易获得。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Pertanika Journal of Tropical Agricultural Science
Pertanika Journal of Tropical Agricultural Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
1.10
自引率
16.70%
发文量
64
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