The effect of different irrigation water levels on yield and quality characteristics of purple basil (Ocimum basilicum L.)

Ekren, Sıdıka; Sönmez, Çiğdem; Özçakal, Emrah; Kurttaş, Yasemin S. Kukul; Bayram, Emine; Gürgülü, Hatice

doi:10.1016/j.agwat.2012.03.004

Cited by 163 publications

(129 citation statements)

References 15 publications

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“…This could be a result of the fact that low soil water availability decreases photosynthesis, carbohydrate accumulation and total plant dry matter. The same results showed by Ekren et al (2012), Boutraa et al (2010) and Khalid (2006). Siyah Shiraz (Kh) was found to be more droughts tolerant than Sefid Shiraz (Kn) ecotype due to relatively lower dry weight reduction under water deficit conditions in Siyah Shiraz (Kh) ecotype.…”

Section: Articlesupporting

confidence: 76%

Probing the responses of four chicory ecotypes by ethylene accumulation and growth characteristics under drought stress

Sadeghi¹,

Ghanaatiyan²

2017

Ital J Agronomy

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Water deficit is the largest limiting abiotic factor in agriculture and will increase in future. Evaluating the drought stress-induced changes in growth parameters as well as the leaves ethylene accumulation of medicinal plants to grow these in arid and semi-arid areas has particular importance. Chicory (Cichorium intybus L.) is a famous medicinal herbal plant which grows in most parts of Iran. A factorial greenhouse experiment was conducted to evaluate the effect of drought stress [100 (as a control), 80, 60 and 40% of field capacity (FC)] on morphophysiological parameters as well as the leaves ethylene accumulation of four chicory ecotypes. The results showed a significant effect of drought on plant height, leaf area, shoot moisture content and total dry matter production of chicory ecotypes which were reduced under drought stress. Under increasing drought level the Siyah Shiraz (Kh) ecotype performed better by maintaining more growth characters, thereby leading to more production of dry matter than the other ecotypes. Isfahan ecotype was the most affected by rising tensions and showed more reduction in growth traits. Drought stress also considerably changed leaf ethylene content, that made the leaf ethylene biosynthesis to be significantly higher under severe (60 and 40% FC) stress when compared to control (100% FC) and was significantly higher in drought-tolerant chicory ecotype (Kh). In general, it can be concluded that Kh was superior to other ecotypes in terms of growth and leaves ethylene accumulation, and can be suitable for cultivation in arid regions.

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Section: Articlesupporting

confidence: 76%

Probing the responses of four chicory ecotypes by ethylene accumulation and growth characteristics under drought stress

Sadeghi¹,

Ghanaatiyan²

2017

Ital J Agronomy

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“…Yepes et al (2016) found similar results and they argued that plant height obtained in basil were independent of N fertilizer doses applied. Basil plants did no present loss of turgidity indicating that inhibition on its cell division was not presented (Ekren et al, 2012). The amount of applied water did not have any effect in the length of stems (F = 2.16; p = 0.17).…”

Section: Experiments 2 Crop Coefficient Evaluationmentioning

confidence: 88%

“…Barroso et al (2004) found that a good biomass performance and acceptable behaviour of the water state of the plant were obtained when 75 % of the evaporation-precipitation balance of the week prior to irrigation was used. However, Ekren et al (2012) found that the best agronomic responses of the plant, such as height and dry weight, were obtained when 125 % of the field capacity of the soil was used, whereas the oil concentration in the leaves was higher when water stress was present (50 % of the FC). For Khalid, (2006), subjecting basil plants to water stress reduced the dry matter crop but increased the concentration of the essential oil components.…”

Section: Daza-torres Arias-prado Reyes-trujillo and Urrutia-cobomentioning

confidence: 99%

“…Because water was applied volumetrically, the efficiency values regarding water use were high. Recent studies, such as the study by Ekren et al (2012), showed that although the largest harvest yields for basil were obtained when the soil was maintained at 100 % of its FC, the irrigation efficiency did not change when the irrigation depth was reduced to 75 % of its FC.…”

Section: Experiments 1 Crop Coeffi Cient Determinationmentioning

confidence: 99%

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Basil (Ocimum basilicum L.) water needs calculated from the crop coefficient

et al. 2017

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The determination of the crop coefficient (Kc) throughout the phenological stages is important for the calculation of water requirements of plants. This study determined the Kc curve for Basil (Ocimum basilicum L.) in Candelaria, Valle del Cauca, and evaluated this Kc in greenhouse conditions. Three drainage lysimeters and a portable meteorological station were used to determine the reference evapotranspiration (ETo), which were set up randomly in an experimental plot. The field capacity (FC) moisture content was determined, and the soil moisture and drainage depth were periodically monitored. Daily water balance calculations were conducted to determine the crop's water needs (ETc), and the Kc was calculated based on the quotient between ETc and ETo by performing statistical regression analysis. In the second experiment, in a completely randomized bifactorial design, four treatments were established in Cali (Valle). These treatments were amount of water necessary to maintain the soil moisture at FC and amount of water calculated with the Kc (72 % FC), both treatments with and without fertilizers application. The results showed that the Kc values for basil are: growth stage, 0,45 ± 0,02 (25 days after transplant, dat); maturity stage, 0,59 ± 0,02 (26 -50 dat); and senescence stage, 0,42 ± 0,03 (51 -71 dat). In greenhouse conditions, dry mass percentage, plant height, soil pH and electrical conductivity were similar for both water regimens. The reduction on water with Kc increased the nitrogen foliar but the water use efficient decreased.Keywords: crop coefficient, efficient water management, lysimeter, crop water needs. RESUMENLa determinación del coeficiente del cultivo (Kc) de los estados fenológicos es importante para el cálculo de los requerimientos hídricos de las plantas. Este estudio determinó la curva del Kc para la albahaca (Ocimum basilicum L.) en Candelaria, Valle del Cauca, y evaluó estos Kc en invernadero. Se ubicaron tres lisímetros de drenaje y una estación meteorológica portátil para determinar la evapotranspiración de referencia (ETo), en una parcela experimental. Se determinó la humedad as capacidad de campo (CC) y se monitorearon periódicamente tanto la humedad del suelo como el agua de drenaje. Se realizaron balances hídricos diarios para determinar las necesidades de agua del cultivo (ETc) y el Kc se calculó como el cociente entre ETc y ETo por medio de análisis de regresión. En el segundo experimento se establecieron cuatro tratamientos en un diseño completo al azar en Cali (Valle). Los tratamientos consistieron en evaluar la cantidad de agua calculada a partir de CC y a partir del Kc hallado (72 % de CC), ambos tratamientos con y sin fertilización. Los resultados mostraron que los valores de Kc para cada etapa de albahaca fueron: crecimiento, 0,45 ± 0,02 (25 días después del trasplante, ddt); madurez (0,59 ± 0,02 (26 -50 ddt) y senescencia 0,42 ± 0,03 (51 -71 ddt). En invernadero, el porcentaje de materia seca, altura de planta, pH del suelo y conductividad eléctrica fueron similare...

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“…This implies that growth rate is dependent on the level of water stress. Drought has been widely reported to hinder growth (Ekren et al, 2012;Hassan et al, 2012;Muscolo et al, 2015). The growth rate reduction in particular parameters such as leaf area could be a means by which a plant adapts to repetitive drought stress as the plant reduces water loss through evapotranspiration (Ali and Hassan, 2014).…”

Section: Effect Of Repetitive Drought On the Growth Parametersmentioning

confidence: 99%

Performance of Solanum aethiopicum Shum group accessions under repetitive drought stress

Nakanwagi¹,

Sseremba²,

Masanza³

et al. 2018

J. Plant Breed. Crop Sci.

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Drought is a serious climatic hazard to crop production, more especially when it occurs repeatedly. This created a need to identify repetitive drought tolerant varieties that recover following exposure to drought. Twenty accessions of Solanum aethiopicum Shum group were evaluated for their response to repeated drought exposure in a screen house at Uganda Christian University stressed and well-watered conditions in a split-plot arrangement. Data was collected on growth and yield parameters namely leaf area, plant canopy width, plant height, plant branching, fresh leaf weight, fresh shoot biomass, and harvest index. Exposure of plants to repetitive drought stress led to significant decrease in all evaluated growth parameters at p<0.001 except for plant branching. Similarly, yield parameters exhibited a highly significant difference among accessions and between water levels at p<0.001. Principal component analysis of growth rate traits showed that leaf area contributed to the highest variation for recovery from repetitive drought stress among accessions. The accessions that recovered best from drought stress include SAS108/2015, SAS163/P/2015, SAS183/G/2015, and SAS168/G/2015. For yield parameters, the accessions SAS137/2015, SAS148/2015, SAS108/P/2015, and SAS160/2015 had the highest dry shoot biomass. These findings indicate prospect for improvement of tolerance to repetitive drought stress in S. aethiopicum Shum group.

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The effect of different irrigation water levels on yield and quality characteristics of purple basil (Ocimum basilicum L.)

Cited by 163 publications

References 15 publications

Probing the responses of four chicory ecotypes by ethylene accumulation and growth characteristics under drought stress

Probing the responses of four chicory ecotypes by ethylene accumulation and growth characteristics under drought stress

Basil (Ocimum basilicum L.) water needs calculated from the crop coefficient

Performance of Solanum aethiopicum Shum group accessions under repetitive drought stress

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