Phenological growth stages of quinoa (<i>Chenopodium quinoa</i>) based on the BBCH scale

Sosa-Zuniga, Viviana; Brito, Vitor Hugo dos Santos; Fuentes, Francisco; Steinfort, Ursula

doi:10.1111/aab.12358

Cited by 94 publications

(90 citation statements)

References 32 publications

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“…The PBZ concentration (20 mg l −1 ) was selected from our previous study (Waqas et al ), and the PBZ application was done at 0, 20, 40, 60 and 80 DAS. After seedlings establishment, at four to six full expanded leaves stage (33 DAS) mentioned as BBCH‐16 (Sosa‐Zuniga et al ), plants were irrigated with a saline solution of 400 mM NaCl and repeated with 10‐day interval until harvesting. To avoid osmotic shock, saline solution was increased gradually, with 100 mM day ‐1 to reach the final concentration.…”

Section: Methodsmentioning

confidence: 99%

Soil drenching of paclobutrazol: An efficient way to improve quinoa performance under salinity

Waqas

Chen

Iqbal

et al. 2018

Physiologia Plantarum

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Salinity extent and severity is rising because of poor management practices on agricultural lands, possibility lies to grow salt-tolerant crops with better management techniques. Therefore, a highly nutritive salt-tolerant crop quinoa with immense potential to contribute for future food security was selected for this investigation. Soil drenching of paclobutrazol (PBZ; 20 mg l ) was used to understand the ionic relations, gaseous exchange characteristics, oxidative defense system and yield under saline conditions (400 mM NaCl) including normal (0 mM NaCl) and no PBZ (0 mg l ) as controls. The results revealed that salinity stress reduced the growth and yield of quinoa through perturbing ionic homeostasis with the consequences of overproduction of reactive oxygen species (ROS), oxidative damages and reduced photosynthesis. PBZ improved the quinoa performance through regulation of ionic homeostasis by decreasing Na , Cl , while improving K , Mg and Ca concentration. It also enhanced the antioxidative system including ascorbic acid, phenylalanine ammonia-lyase, polyphenol oxidase and glutathione peroxidase, which scavenged the ROS (H O and O ) and lowered the oxidative damages (malondialdehyde level) under salinity in roots and more specifically in leaf tissues. The photosynthetic rate and stomatal conductance consequently improved (16 and 21%, respectively) in salt-stressed quinoa PBZ-treated compared to the non-treated ones and contributed to the improvement of panicle length (33%), 100-grain weight (8%) and grain yield (38%). Therefore, PBZ can be opted as a shotgun approach to improve quinoa performance and other crops under high saline conditions.

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Section: Methodsmentioning

confidence: 99%

Soil drenching of paclobutrazol: An efficient way to improve quinoa performance under salinity

Waqas

Chen

Iqbal

et al. 2018

Physiologia Plantarum

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“…Thus, variables such as germination days, 2, 6, and 8 true leaves, as well as 50% of flowering, milky grain, pasty grain, and days to harvest, were determined by evaluating the time from sowing to each one of the phases mentioned above. For this, the BBCH scale proposed by SOSA-ZUNIGA et al (2017) was used. The qualitative evaluation of leaves, stems, and panicles was done using photographic documentation when the grain was milky according to the method described by INFANTE et al (2018).…”

Section: Phenological Developmentmentioning

confidence: 99%

Analysis of the growth and morpho-physiological performance of three cultivars of Colombian quinoa grown under a greenhouse

García-Parra

Stechauner-Rohringer

García-Molano³

et al. 2020

Rev. Ciênc. Agrovet.

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Quinoa (Amaranthaceae) is a native pseudo-cereal produced throughout the South American zone, where it is used in the preparation of food and as a promising alternative for the colonization of edaphoclimatic areas affected by anthropic and natural factors. Among the main problems that affect crop production, we can include those related to growth, development and production, generated by limitations of adaptability of new cultivars in specific areas. For this reason, this research intended to analyze the growth and morphphysiological behavior of the cultivars of quinoa Blanca Soracá (BS), Blanca Jericó (BT), and Tunkahuan (T). The study was carried out in the greenhouse of the Faculty of Agricultural Sciences of the Cauca University (Colombia) located at 1880 m a.s.l. The analysis, allowed to recognize that the three cultivars of quinoa, show different times of phenological development, until harvest (138.25 ± 2.3 and 161 ± 1.1 days). The number of leaves, the height of plants, and the number of branches show adjustment of sigmoidal regression equations (R 2 0.99 -0.98) for the cultivars BJ and T, while total chlorophyll content was adjusted to cubic behavior (R 2 0.90 -0.89). The cultivars of quinoa express productive behaviors that are associated with early and late cycles, showing differences in the production and weight of seeds. RESUMOQuinoa (Amaranthaceae) é um pseudo-cereal nativo produzido em toda a zona sul-americana, onde é utilizada como alimento e alternativa promissora para o cultivo em áreas edafoclimáticas afetadas por fatores antrópicos e naturais. Entre os principais problemas que afetam a produção agrícola, inclui-se aqueles relacionados ao crescimento, desenvolvimento e produção, gerados por limitações de adaptabilidade de novas cultivares em áreas específicas. Por este motivo, esta pesquisa teve como objetivo analisar o crescimento e o comportamento morfológico das cultivares de quinoa Blanca Soracá (BS), Blanca Jericó (BT) e Tunkahuan (T). O estudo foi realizado na estufa da Faculdade de Ciências Agrárias da Universidade de Cauca (Colômbia) a 1880 m.a.n.m A análise permitiu reconhecer que as três cultivares de quinoa apresentam diferentes épocas de desenvolvimento fenológico até a colheita (138,25 ± 2,3 e 161 ± 1,1 dias). O número de folhas, a altura das plantas e o número de ramos mostram ajuste às equações de regressão sigmoidal (R 2 0,99 -0,98) para as cultivares BJ e T, enquanto o teor de clorofila total foi ajustado para comportamento cúbica (R 2 0,90 -0,89). As cultivares de quinoa expressam comportamentos produtivos associados a ciclos precoces e tardios, mostrando diferenças na produção e peso das sementes.

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“…In early stages of development, its polymorphic leaves normally green and with maturity transcend to yellow, red, or purple. Seed diameter can range from 0.28-2.1 cm, having two flat surfaces and rounded sides with colors ranging from black, red, pink, orange, yellow, or white [69][70][71][72]. Their survival in wide-ranging conditions allows them to be more growth conducive in different agroecological zones and yet exhibit appreciable yield [45,52].…”

Section: Botanical and Agronomic Featuresmentioning

confidence: 99%

Quinoa: In Perspective of Global Challenges

Jaikishun

Yang

et al. 2019

Agronomy

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The global population is on the path of an increasing trajectory with a simultaneous decline in arable land resources through salinization and desertification that have resulted mainly from climate change and other anthropogenic activities. Rising temperatures will cause changes in the entire ecosystem, resulting in significant alterations in global climate paradigms and a threat to food security. This review focuses on how the highly resilient Chenopodium quinoa Willd. can sustainably mitigate some of the detrimental impacts, such as starvation, and support or provide ecosystem services. In comparison, compared with the traditional staple food crops, quinoa has remarkable tolerance to abiotic stresses and is highly nutritious, with a unique balance and higher amounts of nutrients, and can therefore be an important crop for food security and nutritional adequacy. This crop has the potential to ameliorate global challenges with respect to increase in global population, effects of climate change, desalinization, phytoremediation, satisfying nutrient deficiency, and alleviating poverty.

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Phenological growth stages of quinoa (Chenopodium quinoa) based on the BBCH scale

Cited by 94 publications

References 32 publications

Soil drenching of paclobutrazol: An efficient way to improve quinoa performance under salinity

Soil drenching of paclobutrazol: An efficient way to improve quinoa performance under salinity

Analysis of the growth and morpho-physiological performance of three cultivars of Colombian quinoa grown under a greenhouse

Quinoa: In Perspective of Global Challenges

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