Abstract
The species Cucumis melo L. (melon) is a polymorphic taxon encompassing many botanical and horticultural varieties. Melon fruits exhibit substantial variability in their form, shape, skin characters, flesh color, flesh thickness, sweetness, seed cavity, seed size, etc., which reflects in the market value of melon. This existing diversity in melon germplasm leads botanists to propose different classifications at the specific and infraspecific levels. The majority of classifications are based on morphological and molecular characteristics. Morphologic traits such as flower and fruit characteristics (sex expression, fruit size and shape, fruit skin color, pH, flesh color, taste, aroma, sugar composition, seed size, and shape) were used in the past centuries for melon diversity analysis. Later on, scientists correlate these phenotypic and biochemical traits (Total Soluble Solids, Ascorbic acid content, Titratable acidity, etc.) with genotypic variability by molecular tools. Molecular tools generally used for melon diversity analysis are RAPD, RFLP, AFLP, SSR markers, and Single Nucleotide Polymorphism (SNP). This article emphasizes the progress of studies in the species Cucumis melo L. and its varieties since 1753. Particular attention has been paid to collect data regarding different horticultural groups of the species, and a recent infraspecific classification of the species has also been outlined. Even though the modern molecular techniques provide new insight to melon classification still there is an existing disparity in these classifications, which could be visible to the scientific world.
Highlights
Cucumis melo L., commonly known as melon, is a tropical plant species that belongs to the family Cucurbitaceae
Melon fruits exhibit substantial variability in their form, shape, skin characters, flesh color, flesh thickness, sweetness, seed cavity, seed size etc., which reflects in the market value of melon
Molecular tools generally used for melon diversity analysis are random amplified polymorphic DNA (RAPD), restriction fragment length polymorphisms (RFLPs), Amplified fragment length polymorphism (AFLP), SSR markers and Single Nucleotide Polymorphism (SNP)
Summary
Cucumis melo L., commonly known as melon, is a tropical plant species that belongs to the family Cucurbitaceae. There are classification on east and west melons into five varieties momordica, acidulous, conomon, makuwa and chinensis, all of which belong to the subspecies C. melo ssp agrestis [21, 22]. A potential variety of cultivated vegetable melon was reported from the north-western parts of India, which is locally named Arya Chate (Hasselq.) Filov) is a traditionally cultivating melon in the area of Salento (Apulia region) of south Italy This crop is locally called 'meloncella,' and its taxonomic position is C. melo ssp. Tibish Mohamed) is a locally grown melon variety in Sudan This crop is unknown to its neighboring countries and is cultivated for its edible seeds. The native people of Sudan eat roasted seeds as time pass [89]
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