Melon Landraces of India: Contributions and Importance

Dhillon, N.S.; Monforte, Antonio J.; Pitrat, Michel; Pandey, Sudhakar; Singh, Praveen; Reitsma, Kathleen R.; García-Más, Jordi; Sharma, Abhishek; McCreight, James D.

doi:10.1002/9781118100509.ch3

Cited by 40 publications

(52 citation statements)

References 200 publications

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“…Interestingly we found some tolerant accessions within the momordica variety and in wild agrestis from Northern India (Roy et al 2012). The two more tolerant momordica accessions, PI414723 (Mom-PI414Ind) and PI124112 (MomPI124Ind) had been previously reported to be resistant to many potyviruses, and were used to introgress these resistances in commercial melons as they are fully cross-compatible (Pitrat 2008;Dhillon et al 2012). This is the first report of a source of tolerance to ToLCNDV infection melon, although this must be confirmed with whitefly transmission.…”

Section: Discussionmentioning

confidence: 58%

Mechanical transmission of Tomato leaf curl New Delhi virus to cucurbit germplasm: selection of tolerance sources in Cucumis melo

2015

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Cucurbits are major crop species, including fruits and vegetables cultivated worldwide that supply essential vitamins and minerals to current diets in developed and developing countries. Viral diseases are main factors affecting cucurbits cultivation. The most widespread and damaging have been aphidborne viruses belonging to the Potyviridae family. Whitefly-transmitted begomoviruses (Geminiviridae) have been identified more recently in different cucurbit species. A severe outbreak of Tomato leaf curl New Delhi virus (ToLCNDV) occurred in pumpkins and melons in the main production area of Southern Spain in 2012-2014. We developed a mechanical inoculation method to facilitate the screening of germplasm against this virus. Mechanical transmission with this method was confirmed in 4 genera and 13 species of the family, including the main crops, cucumber, melon, watermelon and pumpkins, and also croprelated exotic germplasm (landraces and wild species) used for cucurbits breeding. Diversity in the response was observed within and among species. Tolerance to mechanical transmission of ToLCNDV was identified in melon, within Cucumis melo subsp. agrestis var. momordica and in wild agrestis accessions. All the tolerant accessions came from India, the country in which this virus was firstly reported. Some of these accessions have been previously reported to be tolerant or resistant to other viruses and as they are fully crossable to commercial melons, they are good sources to develop new melon varieties with tolerance to ToLCNDV.

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Section: Discussionmentioning

confidence: 58%

Mechanical transmission of Tomato leaf curl New Delhi virus to cucurbit germplasm: selection of tolerance sources in Cucumis melo

2015

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“…The Cucurbitaceae family (e.g. pumpkin, squash, melon, cucumber) is rich in vitamin C, carotenoids, and tocopherols [24]. Burger et al [25] in a survey of 350 melon accessions from different horticultural groups of Cucurbita melo observed a 50-fold variation in ascorbic acid content, ranging from 0.7 mg to 35.3 mg/100g of fresh fruit weight.…”

Section: Introductionmentioning

confidence: 99%

Nutritional Quality and Health Benefits of Vegetables: A Review

Dias¹

2012

FNS

149

162

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Vegetables are considered essential for well-balanced diets since they supply vitamins, minerals, dietary fiber, and phytochemicals. Each vegetable group contains a unique combination and amount of these phytonutriceuticals, which distinguishes them from other groups and vegetables whithin their own group. In the daily diet vegetables have been strongly associated with improvement of gastrointestinal health, good vision, and reduced risk of heart disease, stroke, chronic diseases such as diabetes, and some forms of cancer. Some phytochemicals of vegetables are strong antioxidants and are thought to reduce the risk of chronic disease by protecting against free radical damage, by modifying metabolic activation and detoxification of carcinogens, or even by influencing processes that alter the course of tumor cells. All the vegetables may offer protection to humans against chronic diseases. Nutrition is both a quantity and a quality issue, and vegetables in all their many forms ensure an adequate intake of most vitamins and nutrients, dietary fibers, and phytochemicals which can bring a much-needed measure of balance back to diets contributing to solve many of these nutrition problems. The promotion of healthy vegetable products has coincided with a surging consumer interested in the healthy functionality of food. Because each vegetable contains a unique combination of phytonutriceuticals, a great diversity of vegetables should be eaten to ensure that individual's diet includes a combination of phytonutriceuticals and to get all the health benefits. This article makes a review and discusses the nutritional quality and health benefits of the major groups of vegetables. More interdisciplinary work is required that involves nutritional and food scientists as well as others from biomedical fields to ascertain the thrue function of specific phytonutriceuticals.

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“…Dhillon et al. reviewed melon landraces of India, highlighting their potential as sources of valuable agronomic and stress tolerance traits. Indian germplasm has proved to be a good source of alleles for biotic stress tolerance like powdery mildew (Zink and Thomas , McCreight ), downy mildew and Fusarium wilt (Cohen and Eyal ), aphids (Dogimont et al.…”

Section: Discussionmentioning

confidence: 99%

“…agrestis Momordica group (Burger et al 2010). A fourth group is formed by a semi-domesticated melon known as chibber or kachri used for pickles and chutneys (Dhillon et al 2012). This is a feral form belonging to C. melo ssp.…”

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confidence: 99%

Genetic diversity and population structure of Indian melon (Cucumis melo L.) landraces with special reference to disease and insect resistance loci

et al. 2016

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This study was aimed to examine the genetic diversity and population structure of Indian melon landraces with special reference to disease and insect resistance loci. Thirty-six simple sequence repeat (SSR) markers along with seven markers at disease and insect resistance loci were used for this purpose on a panel of 91 accessions available at Indian Institute of Horticultural Research, Bengaluru, India. Model-based structure analysis revealed the presence of four groups that were consistent with the results of principal coordinate analysis (PCoA). The delineation of populations was mostly based on geography with improved varieties as a separate group. Ten accessions have been identified to possess beneficial alleles at all the selected disease resistance loci and shall be useful for incorporating multiple disease resistance after phenotypic validation. The results obtained in the current study demonstrate the importance of the Indian melon group as a valuable genetic reservoir and the need to plan strategies for its conservation and utilization in breeding programmes.

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Melon Landraces of India: Contributions and Importance

Cited by 40 publications

References 200 publications

Mechanical transmission of Tomato leaf curl New Delhi virus to cucurbit germplasm: selection of tolerance sources in Cucumis melo

Mechanical transmission of Tomato leaf curl New Delhi virus to cucurbit germplasm: selection of tolerance sources in Cucumis melo

Nutritional Quality and Health Benefits of Vegetables: A Review

Genetic diversity and population structure of Indian melon (Cucumis melo L.) landraces with special reference to disease and insect resistance loci

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