Response of Physiological Characteristics, Seed Yield and Seed Quality of Quinoa under Difference of Nitrogen Fertilizer Management

Kansomjet, P.; Thobunluep, P.; Lertmongko, Sukumarn; Sarobol, Ed; Kaewsuwan, P.; Junhaeng, Pinpinatt; Pipattanaw, N.; Ivan, Marlon

doi:10.3923/ajpp.2017.20.27

Cited by 6 publications

(6 citation statements)

References 5 publications

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“…The lowest 1000-seed weight (2.67 g) was found in control treatment that showed 13.87% lower weight than F 8 treatment. Similar higher 1000-seed weight (3.06 g) of quinoa was also reported by application of 187.50 kg N ha -1 (Kansomjet et al, 2017) but dissimilar opinion was also given by Basra et al (2014) who stated that 1000-grain weight of quinoa not affected by nitrogen fertilization from 0 to 120 kg N ha -1 .…”

Section: Effect Of Nitrogen Dosesupporting

confidence: 58%

“…Nitrogen had increased ability for photosynthesis and photosynthate translocation to promote grain and these results agreed with Thanapornpoonpong (2004) who noticed that seed yield plant -1 increased with increasing nitrogen fertilizer rates. Kansomjet et al (2017) reported that nitrogen fertilizer rate of 93.75, 187.50 and 312.50 kg N ha -1 results on higher seed yield of quinoa than those of control. In Denmark, it is recommended to apply 80-120 kg of N ha -1 at crop establishment in the spring to obtain a yield of about 2 t ha -1 of seed.…”

Section: Interaction Of Planting Methods and Nitrogen Dosementioning

confidence: 97%

“…Application of 150 kg N ha -1 (F 4 ) showed 117.51% higher yield than control (no nitrogenous fertilizer application). Kansomjet et al (2017) was found higher seed yield (2641.70 kg ha -1 ) of quinoa by application of 93.75 kg N ha -1 and its increment reduced seed yield (Lavini et al, 2014). Jacobsen and Christiansen (2016) reported that quinoa yield increased significantly with an application up to 180 kg N ha -1 .…”

Section: Effect Of Nitrogen Dosementioning

confidence: 93%

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Influence of Planting Method and Nitrogen Dose on Growth and Yield of Quinoa (Chenopodium Quinoa Willd.)

Biswas

Fatema²,

Rahman

2021

Bangladesh Agron. J.

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The experiment was conducted at Sher-e-Bangla Agricultural University, Dhaka during Rabi season 2018-19 to find out the influence of planting methods and nitrogen dose on growth and yield of Quinoa-a highly nutritious super food newly introduced in Bangladesh. The experiment was laid out in a Split-plot design with 3 replications. Two planting methods viz., i) seed sowing (M1) and ii) seedling planting (M2) in the main plot and eight nitrogen doses viz., i) Control (F1), ii) 50 kg N ha-1 (F2), iii) 100 kg N ha-1 (F3), iv) 150 kg N ha-1 (F4), v) 180 kg N ha-1 (F5), vi) 200 kg N ha-1 (F6), vii) 220 kg N ha-1 (F7) and ix) 250 kg N ha-1 (F8) in the sub-plot were assigned. Almost all the studied characters were found statistically significant due to variation in treatments. The higher plant height, leaf number plant-1, branch number plant-1 and inflorescence height were observed in seedling transplantation than seeds sowing. Increment of nitrogen doses increased the plant height, leaves number plant-1, branch number plant-1, inflorescence height and SPAD value up to 150-200 kg N ha-1 and then decreased. Higher doses of nitrogenous fertilizer application increased the grain weight. Planting seedling with 150 kg N ha-1 showed the highest seed yield (1227.43 kg ha-1) which was similar to 180 kg N ha-. Cultivation of quinoa with 25 days old seedlings and 150 kg N ha-1 gave 206.77% higher yield compared to that of control and it was 64.71% higher in case of seeds sowing with similar nitrogen dose. Bangladesh Agron. J. 2021, 24(1): 83-92

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Section: Effect Of Nitrogen Dosesupporting

confidence: 58%

Section: Interaction Of Planting Methods and Nitrogen Dosementioning

confidence: 97%

Section: Effect Of Nitrogen Dosementioning

confidence: 93%

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Influence of Planting Method and Nitrogen Dose on Growth and Yield of Quinoa (Chenopodium Quinoa Willd.)

Biswas

Fatema²,

Rahman

2021

Bangladesh Agron. J.

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“…These growth and yield responses in quinoa are variable to N supply and genotypic specific. The nitrogen use efficiency (NUE) is tightly linked to N uptake and its utilization efficiency (NUtE) that varies among genotypes, application method and time including rate in quinoa [ 6 , 7 , 8 , 9 , 10 ]. For instance, high total plant N uptake, its apparent recovery efficiency and harvest index including biomass and seed N contents was observed for 200 kg N ha −1 , however, N utilization efficiency (NUtE) and remobilization from vegetative tissues to seed was found low in quinoa [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

“…Likely, delayed flowering, extended seed filling period and improved photosynthetic pigments including seed yield was observed for 150 kg N ha −1 applied in two splits at 6–8 leaves and anthesis stages, respectively, compared to three splits and control with no N [ 11 ]. Nonetheless, variable response to N fertilization for growth including relative and crop growth rates, and seed yield was observed at low N rate in two quinoa cultivars [ 7 ]. Bascuñán-Godoy et al [ 6 ] compared three quinoa cultivars similar in phenology for NUE traits under low and high N conditions.…”

Section: Introductionmentioning

confidence: 99%

Enriching Urea with Nitrogen Inhibitors Improves Growth, N Uptake and Seed Yield in Quinoa (Chenopodium quinoa Willd) Affecting Photochemical Efficiency and Nitrate Reductase Activity

Rehman

Alharby

Al-Zahrani

et al. 2022

Plants

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Quinoa is a climate resilience potential crop for food security due to high nutritive value. However, crop variable response to nitrogen (N) use efficiency may lead to affect grain quality and yield. This study compared the performance of contrasting quinoa genotypes (UAF Q-7, EMS-line and JQH1) to fertilizer urea enriched with urease and nitrification inhibitors (NIs; 1% (w/w) thiourea + boric acid + sodium thiosulphate), ordinary urea and with no N as control. Application of NIs-enriched urea improved plant growth, N uptake and chlorophyll values in quinoa genotype UAF-Q7 and JHQ1, however, highest nitrate reductase (NR) activity was observed in EMS-line. Quinoa plants supplied with NIs-enriched urea also completed true and multiple leaf stage, bud formation, flowering, and maturity stages earlier than ordinary urea and control, nevertheless, all quinoa genotypes reached true and multiple leaf stage, flowering and maturity stages at same time. Among photosynthetic efficiency traits, application of NIs-enriched urea expressed highest photosynthetic active radiations (PAR), electron transport rate (ETR), current fluorescence (Ft) and reduced quantum yield (Y) in EMS line. Nitrogen treatments had no significant difference for panicle length, however, among genotypes, UAF-Q7 showed highest length of panicle followed by others. Among yield attributes, NIs-enriched urea expressed maximum 1000-seed weight and seed yield per plant in JQH-1 hybrid and EMS-line. Likely, an increase in quinoa grain protein contents was observed in JQH-1 hybrid for NIs-enriched urea. In conclusion, NIs-enriched urea with urease and nitrification inhibitors simultaneously can be used to improve the N uptake, seed yield and grain protein contents in quinoa, however, better crop response was attributed to enhanced plant growth and photosynthetic efficiency.

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INTERACTION OF NITROGEN AND PLANT DENSITY ON GROWTH AND YIELD OF TWO QUINOAS (Chenopodium quinoa Willd.) CULTIVARS IN FARS PROVINCE, IRAN

ZARE,

MİRİ,

HAGHİGHİJAFARİ

et al. 2023

Turkish Journal of Field Crops

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As a field crop, quinoa (Chenopodium quinoa Willd.) has great potential in improving food for humans and animals even under marginal lands. Experiments were carried out at Marvdasht, Iran, in 2017 and 2018 main crop growing season to evaluate the effect of 4 levels of nitrogen (0, 75, 150, and 225 kg/ ha), three levels of density (20, 30, and 40 plants /m2), and two cultivars of quinoa (Titicaca and Sajema). The factorial experiment was performed based on a randomized complete block design with three replications. The results showed that nitrogen fertilizer significantly affected all measured traits. By increasing the nitrogen and plant density, the plant height, grain yield, and biological yield increased. The highest harvest index and nitrogen use efficiency was obtained from the highest density level. In all studied traits, Titicaca cultivar had greater than Sajema. Due to the superiority of 225 kg /ha-1 of nitrogen and the density of 40 plants/m2 in terms of grain yield, it seems that this amount of nitrogen fertilizer and planting density to achieve good yields in the test and similar areas is also recommended. Also, the higher seed yield in Titicaca cultivar than Sajema is recommended for planting in the studied areas.

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Response of Physiological Characteristics, Seed Yield and Seed Quality of Quinoa under Difference of Nitrogen Fertilizer Management

Cited by 6 publications

References 5 publications

Influence of Planting Method and Nitrogen Dose on Growth and Yield of Quinoa (Chenopodium Quinoa Willd.)

Influence of Planting Method and Nitrogen Dose on Growth and Yield of Quinoa (Chenopodium Quinoa Willd.)

Enriching Urea with Nitrogen Inhibitors Improves Growth, N Uptake and Seed Yield in Quinoa (Chenopodium quinoa Willd) Affecting Photochemical Efficiency and Nitrate Reductase Activity

INTERACTION OF NITROGEN AND PLANT DENSITY ON GROWTH AND YIELD OF TWO QUINOAS (Chenopodium quinoa Willd.) CULTIVARS IN FARS PROVINCE, IRAN

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