Adaptation, grain yield and nutritional characteristics of quinoa (Chenopodium quinoa) genotypes in marginal environments of the Aral Sea basin

Climate resilience of the C 3 halophyte Chenopodium quinoa Willd potentiates its production in drought and salt-prone areas. A two-year field experiment was laid out in completely randomized block designs with three replications to test the adaptability of this crop to abiotic stresses, grain yield...

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Published in:Journal of Plant Nutrition Vol. 44; no. 9; pp. 1365 - 1379
Main Authors: Khaitov, Botir, Karimov, Aziz A., Toderich, Kristina, Sultanova, Zulfiya, Mamadrahimov, Azimjon, Allanov, Kholik, Islamov, Sokhib
Format: Journal Article
Language:English
Published: Philadelphia Taylor & Francis 12.12.2020
Informa UK Limited
Taylor & Francis Ltd
Subjects:
Adaptability
Agricultural development
Agricultural production
Alternative crops
basins
Chenopodium quinoa
climate
Climate adaptation
Crop yield
Drought
Drylands
field experimentation
genotype
Genotypes
Germination
Grain
grain yield
growth
Halophytes
Harvesting
lignin
Lipids
Nutrition
nutrition value
Nutritive value
plant nutrition
Quinoa
quinoa (Chenopodium quinoa Willd)
Ripening
salinity
Salinity tolerance
salt tolerance
Seed germination
seed weight
seed yield
Seeds
Sodium chloride
stress tolerance
vegetation
Aral Sea
ISSN:0190-4167, 1532-4087, 1532-4087
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Summary:Climate resilience of the C 3 halophyte Chenopodium quinoa Willd potentiates its production in drought and salt-prone areas. A two-year field experiment was laid out in completely randomized block designs with three replications to test the adaptability of this crop to abiotic stresses, grain yield and nutritional quality in marginal areas of the Aral Sea basin. The vegetation cycle of the investigated five quinoa lines ranged between 107-133 days based on genotype characteristics. Q5 and Q3 lines had early ripening ability of (107 and 113 days), higher seed weight (2.7 and 2.35 g/1000 seeds), better seed germination (68.3 and 56.7%) associated with stress tolerance. All these features reflected in high yield potential of Q5 and Q3 genotypes, exhibiting average grain yields of 2537.8 and 2361.7 kg ha −1 , respectively. The lowest yield was recorded in Q1 with an average yield of 1551.3 kg ha −1 . Nutrition features were similar in the tested quinoa genotypes; however, the highest protein, lignin and lipid contents were recorded in Q5 genotype. Q3 and Q5 genotypes showed higher salinity tolerance than other genotypes when different concentrations (0-500mM) of NaCl and MgSO 4 exposed under laboratory conditions. Implementation of innovative technology in cultivation, harvesting, storage and processing will help incorporate quinoa into the Aral Sea Basin's agricultural development and scale up as an alternate crop for food and feed.
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ISSN:0190-4167
1532-4087
1532-4087
DOI:10.1080/01904167.2020.1862200