Characterization and association of phenotypic and biochemical traits in onion under short day tropical conditions

Dangi, Ravindra; Khar, Anil; Islam, Sabina; Kumar, Amrender

doi:10.5958/0974-0112.2018.00040.3

Cited by 4 publications

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“…The range of average bulb weight was noted 38.9 to 78.5 g with mean 47.9 g. In both the year of study and also in pooled analysis, the maximum average bulb weight was noted in Sukhsagar. Variation in onion bulb weight has been reported by Khosa and Dhatt 2013 Dangi et al (2018) stated that short day onion varieties have an average bulb weight of less than 100 g since they mature in 120-150 days. In cultivation of any crop, yield of the crop is the prime concern.…”

Section: Resultsmentioning

confidence: 89%

“…Bulb weight is an important yield attributing trait in onion. Study of Chattoo et al (2015) and Dangi et al (2018) revealed that bulb weight exhibited positive and significant association with bulb yield in onion. The range of average bulb weight was noted 38.9 to 78.5 g with mean 47.9 g. In both the year of study and also in pooled analysis, the maximum average bulb weight was noted in Sukhsagar.…”

Section: Resultsmentioning

confidence: 93%

“…The range of number of scales per bulb was recorded 8.0 to 11.3 with mean 9.9; while TSS was varied from 11.3 to 13.7Brix with an average value of 12.7Brix. Studying on short day onions, Dangi et al (2018) obtained overall mean TSS of 11.52Brix. Estimation of total soluble solids (TSS) gives an indirect estimate for the recovery of dehydrated onion (Islam et al 2019).…”

Section: Resultsmentioning

confidence: 99%

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Varietal Screening of Short Day Onions (Allium cepa L.) under Coastal Saline Area

Rahaman

Mandal

Saha

et al. 2020

ASD

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Background: Onion is an economically important bulbous vegetable crop widely cultivated in India. Onion produced in West Bengal can only partially meet up its domestic need and thus extremely depends upon supply from other Indian States during lean period. Bringing more area under cultivation with improved varieties can boost the production and productivity of onion in West Bengal. The present situation leads to explore the scope of onion cultivation in non-traditional area. The objective of the study was to know the production and storage performance of onion varieties under Coastal Saline Zone of West Bengal, with the greater aim to explore this non-traditional onion growing area in future.Methods: Sixteen short day onion varieties were evaluated in Rabi 2014-15 and 2015-16 in Ramkrishna Ashram KVK, Nimpith following Randomized Block Design with three replications. Eight field parameters, three laboratory parameters and four storage parameters were studied. Result: Enough variation was noticed for different growth, yield, quality and storage attributes among the onion cultivars. The bulb yield, bulb weight, bulb equatorial and polar diameter was ranged from 62.8 to 124.5q/ha, 38.9 to 78.5 g, 32.5 to 47.6 cm and 34.7 to 47.3 cm respectively. The average TSS and pyruvic acid content was noted 12.7 ºBrix and 11.2 µmol/g respectively. After six month of storage in ambient condition, average PLW, rotting, sprouting and total losses was found 33.6%, 24.8%, 1.3% and 59.7% respectively. Among the varieties, Sukhsagar followed by Arka Niketan registered minimum storage losses of 20% and 35.1% at the end of storage period. Onion variety, Sukhsagar, Agrifound Light Red, Bhima Shakti, NHRDF Red-2, Pusa white Flat and NHRDF Red-3 were identified as top performers.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Varietal Screening of Short Day Onions (Allium cepa L.) under Coastal Saline Area

Rahaman

Mandal

Saha

et al. 2020

ASD

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“…in different climatic areas. Onion cultivar trials have been performed worldwide because of important information for growers, researchers, seed companies and so on (Azoom et al 2014;Boyhan et al 2005;Cramer 2001; Dangji et al 2018;Lancaster et al 1995;Shock et al 2000;Tesfaendrias et al 2010). The trials have evaluated a variety of characteristics, including yield, maturity, and bulb, skin or scale characteristics, disease Minimum 30 year avearage Fig.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of forty-five cultivars as affected by bulb initiation, bulb and scale characteristics, and bulb minerals and organic compounds of intermediate-day yellow onion (Allium cepa L.) in South Korea

Kim

Kwon

Chang

et al. 2020

Hortic. Environ. Biotechnol.

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We evaluated and classified forty five onion cultivars according to bulb initiation, bulb and scale characteristics, minerals and organic compounds contents, and storage quality in South Korea during 2016/2017 and 2017/2018 growing seasons. Field experiment was conducted in randomized block design with three replications. Bulb initiation ranged from 153 days after transplanting (DAT, April 2) to 177 DAT (April 26). Fresh bulb weight (FBW) and bulb index (BI) were 285.5 ± 18.5 g/ individual, 0.93 ± 0.05, respectively. Number of scales (NS), number of center (NC), and scale thickness (ST) were 7.6 ± 0.2, 2.3 ± 0.2, and 5.5 ± 0.2 mm/scale, respectively. Chroma and Lightness of bulb skin were 27.1 ± 1.9, 61.2 ± 2.3, respectively. Storage loss (SL) on December 12 was 19.4 ± 5.9%. Nitrogen (N), Carbon (C) and sulfur (S) contents were 1.36 ± 0.14, 37.9 ± 3.2 and 0.40 ± 0.06 mg kg −1 on a fresh weight basis. Total soluble solids (TSS) and total phenolics content (TPC) were 8.6 ± 0.6 °Bx, 164.8 ± 15.6 mg GE kg −1 on a fresh weight basis. Days from transplanting to bulb initiation was significantly positively correlated with bulb height, NC, dry matter, N, C, S, TSS, TPC, total flavonoids content (TFC) etc., while it was negatively correlated with rot loss and SL. Dry matter content was significantly positively correlated with N, C, S, TSS, TPC, TFC etc., while it was negatively correlated with SL. Storage loss was negatively correlated with N, S, Potassium and TSS. Dendrogram of agglomerative hierarchical clustering for the forty five cultivars based on bulb initiation, bulb and scale characteristics, and bulb minerals and organic compounds contents classified five cultivar groups. Cluster 1 featured the earliest bulb initiation and the greatest SL. Cluster 2 featured the fewest NS and NR, and the thickest ST. Cluster 3 featured the greatest FBW, and the most NS and NC. Cluster 4 featured the greatest BI and the thinnest ST. Cluster 5 featured the lowest SL, and the highest minerals and antioxidant compounds contents. This information should be helpful for onion growers to decide onion cultivar and for onion breeders to promote new cultivars depending on their purpose.

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Evaluation of onion cultivars as affected by bulb maturity and bulb characteristics of intermediate-day yellow onions in South Korea

Moon

Kim

Park

et al. 2020

The Journal of Horticultural Science and Biotechnology

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Characterization and association of phenotypic and biochemical traits in onion under short day tropical conditions

Cited by 4 publications

References 0 publications

Varietal Screening of Short Day Onions (Allium cepa L.) under Coastal Saline Area

Varietal Screening of Short Day Onions (Allium cepa L.) under Coastal Saline Area

Evaluation of forty-five cultivars as affected by bulb initiation, bulb and scale characteristics, and bulb minerals and organic compounds of intermediate-day yellow onion (Allium cepa L.) in South Korea

Evaluation of onion cultivars as affected by bulb maturity and bulb characteristics of intermediate-day yellow onions in South Korea

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