Morphological and reproductive characterization of guar (Cyamopsis tetragonoloba) genetic resources regenerated in Georgia, USA

Morris, J. B.

doi:10.1007/s10722-010-9538-8

Cited by 46 publications

(34 citation statements)

References 9 publications

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“…The largest variation was present for germination percentage, days to 50% flowering, plant height (cm), branches plant -1 , clusters plant -1 , pod length (cm), days to maturity, 1000-seed weight (g) and grain yield plot -1 (g). Comparatively, low variation below 3% was shown for days to emergence, pods cluster -1 and seeds pod -1 (Morris, 2007(Morris, , 2008(Morris, , 2010. Similar findings are in agreement with the present study.…”

Section: Resultssupporting

confidence: 93%

“…Clusters plant -1 and pods cluster -1 were positively correlated with grain yield plot -1 (Sultan et al, 2012;Rai et al, 2012). The trait of 1000-seed weight was negatively correlated with pods cluster -1 , while it indicated positive correlation with grain yield plot -1 and pod length results agreement with Morris (2010) and Manivannan et al (2015).…”

Section: Resultssupporting

confidence: 86%

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Screening of guar accessions [Cyamopsis tetragonoloba (L.) Taub.] for higher yield potential under irrigated conditions

Khalid¹,

Akhtar²,

Minhas³

et al. 2017

Afr. J. Agric. Res.

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Twelve quantitative traits such as germination percentage, days to 50% flowering, plant height, branches plant -1 , clusters plant -1 , pod length, days to maturity, 1000-seed weight and grain yield plot -1 were studied to determinate ample variation and association between 100 Guar [Cyamopsis tetragonoloba (L.) Taub , seeds pod -1 and pod length. However, branches plant -1 and days to maturity were significant but negatively correlated with grain yield plot -1 . Principal component analysis indicated the quantity of variation by principal components 1 to 4 viz., 38.9, 14.7, 10.6 and 8.3%, respectively. Cluster analysis based on different quantitative traits arranged 100 guar accessions into eight groups. Ward clustering method was used to construct dendrogram based on quantitative traits of genotypes. Genotypes having desirable plant traits like early maturity and higher yield potential were screened for guar variety development under irrigated conditions.

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Section: Resultssupporting

confidence: 93%

Section: Resultssupporting

confidence: 86%

Screening of guar accessions [Cyamopsis tetragonoloba (L.) Taub.] for higher yield potential under irrigated conditions

Khalid¹,

Akhtar²,

Minhas³

et al. 2017

Afr. J. Agric. Res.

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“…In food industry, guar gum is used as a novel food additive in various food products for food stabilization and as fiber source (Morris 2010). It is liked by both manufacturer and consumer because it is economical as well as natural additive.…”

Section: Food Applicationsmentioning

confidence: 99%

Guar gum: processing, properties and food applications—A Review

2011

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Guar gum is a novel agrochemical processed from endosperm of cluster bean. It is largely used in the form of guar gum powder as an additive in food, pharmaceuticals, paper, textile, explosive, oil well drilling and cosmetics industry. Industrial applications of guar gum are possible because of its ability to form hydrogen bonding with water molecule. Thus, it is chiefly used as thickener and stabilizer. It is also beneficial in the control of many health problems like diabetes, bowel movements, heart disease and colon cancer. This article focuses on production, processing, composition, properties, food applications and health benefits of guar gum.

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“…High morphological variability was observed in clusterbean cultivars and respect to pubescence of the plant, pattern of branching, bearing habit, shape, size and texture of the pods, seed size and colour, and also quantity of gum in the seeds and also these traits were widely employed for characterization of clusterbean germplasm (Sultan et al 2012;Morris 2010;Fletcher and Murphy 1998).…”

Section: Qualitative Trait Evaluationmentioning

confidence: 99%

Characterization of Indian clusterbean (Cyamopsis tetragonoloba (L.) Taub.) genotypes using qualitative morphological traits

Manivannan

Anandakumar

Ushakumari

et al. 2015

Genet Resour Crop Evol

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Clusterbean (Cyamopsis tetragonoloba (L.) Taub.) is commonly known as guar, a legume with drought hardiness suited to arid regions remained a neglected and underutilized crop till the shale rush began, of late it got momentum in the international market, and it became one of the most promising industrial crops in India. Seeds of clusterbean are used for extraction of gum which is called guar gum or guaran. Guar gum-a galactomannan polysaccharide-has many uses such as in the oil and petroleum industries (shale energy production or oil fracking), food industries, pharmaceutical industries, paper industries and mining fields. India is the major producer and exporter of guar to the world market. There is a tremendous variability available in Indian clusterbean germplasm, our objective of the present study to characterize and evaluate the Indian clusterbean genotypes using morphological qualitative traits. Forty-two genotypes collected across India were characterized for seven morphological traits: stem type, growth habit, leaflet texture, leaflet margin, leaflet size, flower colour and seed colour across three locations during kharif (rainy season) 2013. Coefficients of variation and principal component analysis revealed variability among the genotypes for the qualitative traits evaluated. PCA analysis showed that genotypes namely PNB, T local, HGS 884, RGC 471, MRSG6 were very different from each other. Cluster analysis separated genotypes into two major groups: one of vegetable genotypes (PNB, T local, M local, HVG2-30 and Amrit 11), and the other of gum genotypes. Among the gum genotypes RGC1066, RGC197 and FS277 formed a distinct sub cluster as they possess single stems (unbranched type), while the genotypes with white flower colour namely RGC936 and RGC471 formed a different sub cluster. The genotype MRSG6 showed brown seed with distinct grade of N 200 B which was distinctly unique and differed from the predominant grey-seeded group Correlation analysis among the traits showed that leaflet texture (pubescence) and leaflet shape (narrow) correlated highly with gum genotypes, on the contrary glabrous broad leaflets were linked with vegetable genotypes.

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Morphological and reproductive characterization of guar (Cyamopsis tetragonoloba) genetic resources regenerated in Georgia, USA

Cited by 46 publications

References 9 publications

Screening of guar accessions [Cyamopsis tetragonoloba (L.) Taub.] for higher yield potential under irrigated conditions

Screening of guar accessions [Cyamopsis tetragonoloba (L.) Taub.] for higher yield potential under irrigated conditions

Guar gum: processing, properties and food applications—A Review

Characterization of Indian clusterbean (Cyamopsis tetragonoloba (L.) Taub.) genotypes using qualitative morphological traits

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