Screening cowpea [Vigna unguiculata (L.) Walp.] varieties by inducing water deficit and RAPD analyses

Badiane, François Abaye; Diouf, Diaga; Sané, Djibril; Diouf, Omar; Goudiaby, Venceslas; Diallo, N.

doi:10.5897/ajb2004.000-2030

Cited by 11 publications

(3 citation statements)

References 12 publications

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“…The responses of five Clematis plant species in arid and semi-arid regions of northwest China to drought stress during seed germination and seedling growth, as well as the most drought-tolerant species, remain unclear. Polyethylene glycol (PEG) can effectively simulate water stress to induce the uniform osmotic stress characteristic of dry soil [45], making it a common choice for inducing drought stress in higher plants [46,47]. Additionally, in vitro screening methods present a potentially cost-effective way to efficiently screen numerous germplasms in a short time [48].…”

Section: Introductionmentioning

confidence: 99%

Comparison of the Differences in Tolerance to Drought Stress across Five Clematis Species Based on Seed Germination and Seedling Growth

Zhu,

Li,

Liu

et al. 2024

Horticulturae

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Plants of the Clematis genus are attractive ornamental plants due to their various flower colors and patterns, and they play an important role as ground cover plants in landscaping. However, the application of Clematis plants in landscaping in arid and semi-arid areas is limited. This study used five common wild Clematis species in Gansu Province as experimental materials, including Clematistangutica, Clematis glauca, Clematis intricata, Clematis nannophylla, and Clematis fruticosa. By simulating different intensities of drought stress with polyethylene glycol (PEG), the germination behavior of seeds and the physiological and biochemical responses of seedlings of these five species to drought stress were observed. The results showed that 15% PEG stress significantly inhibited the seed germination of the five species, which was also the drought threshold for seed germination of C. fruticosa. C. tangutica exhibited the strongest tolerance to drought stress in seed germination. Seedlings of the five Clematis plants showed different levels of tolerance to drought stress, mainly demonstrating higher tolerance to 10% and 20% concentrations of PEG stress, while a 30% concentration of PEG stress caused varying degrees of damage to the seedlings of the five Clematis species. PCA analysis indicated that seedlings of C. intricata and C. glauca had higher scores under drought stress. These findings can provide a theoretical basis for the selection of urban landscaping plant species in arid and semi-arid regions of northwest China.

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Section: Introductionmentioning

confidence: 99%

Comparison of the Differences in Tolerance to Drought Stress across Five Clematis Species Based on Seed Germination and Seedling Growth

Zhu,

Li,

Liu

et al. 2024

Horticulturae

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“…[1,2]. It is an important warm season legume, mainly grown by poor farmers in the semiarid tropics for human and animal consumption, combined with cereals such as millet and sorghum [3,4]. In addition, cowpea seeds and leaves are important sources of protein, carbohydrates, minerals, polyphenols, flavonoids and antioxidants [5,6] .…”

Section: Introductionmentioning

confidence: 99%

Ethnobotanical investigation and Morphobiometric Characterization of different Cowpea seeds (Vigna Unguiculata Subsp. Unguiculata (L.) Walp) in the Hoggar region (Algerian Sahara): acquisition And future investment project for food security in Algeria

Bassedik¹

2021

Alger. j. biosciences

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The cowpea is exogenous crop introduced into the extreme south of Algeria from Niger; it has been cultivated and preserved by the farmers of Hoggar (Tamanrasset, Algeria). Our study was carried out to survey, collect identify and document the uses of cowpea landraces at the level of this arid region. To this end, missions have been organized on this traditional agriculture, in order to collect accessions as possible and to provide information on cultural practices and traditional know-how related to this culture. The study is part of the more than ethnobotanical prospection of the landraces encountered during our investigation in ten communes of the wilaya of Tamanrasset located the Hoggar. Hoover, a semi-structured questionnaire was elaborated taking into account the objectives expected. It concerns the farmer, ethnobotanical, agronomic information’s and the economic management of the farm (the farmer, his farm and the technical itineraries adopted). In fact, (50) farmers were interviewed and a sampling was carried out in each commune surveyed, and eighteen (18) local cowpea landraces were harvested through outings that were organized during year 2018. This study showed that among the farmers interviewed, 70.02% were men and 29.07% were women. The farmers cultivate cowpea on small areas, its production is used only for self-consumption and a small marketed in the villages where the plant is cultivated, three main parts are used by the farmers surveyed: seeds, green pods and hay. After the harvest, the rest of the plant (leaves and stems) are used to feed livestock (sheep and cattle). Cowpea cultivation is in danger of disappearing, according to the majority of the farmers surveyed, diseases and insect attacks are low (32%).In addition, low rainfall, electricity and lack of labor during manual harvesting seem to be the main production constraints reported by the farmers surveyed. While farmers are satisfied with the yields they have obtained. The pods and seeds collected are also characterized by quantitative traits such as Seed thickness (ST), Seed diameter (SD), and Weight of 100 seeds (WHS), pod diameter (PD), number of eggs by pod (CIP), number of seeds by pod, (NSP). Also, by qualitative characters such Seed color (CG), Eye color (CE), Seed form (F), Seed texture (T), were considered. The results showed that the diameter and thickness of pods (PD and PT) varies from 7.5 to 20 cm and 0.3 to 0.8 cm successively. The diameter and thickness of seeds (SD and ST) varies from 0.5 to 1.01 cm, while Weight of 100 seeds (WHS) recorded an average of 6.56 and 18.35 g. However, significant differences were detected in several morphological traits. From the result of Principal Component Analysis (PCA), axis 1 explains 67,38% of the variance in the qualitative character and it showed a strange positive correlation , seed diameter(SD) , it was positively and significantly correlated with thickness (ST).on the other way , the pod diameter (PD) was correlated with thickness (PT), while Weight of 100 seeds (WHS) was correlated with diameter and thickness of seed and pod (SD ,ST, PD, PT), whereas the number of eggs by pod (CIP) was correlated with the number of seeds (NSP) by pod, the number of eggs by pod (CIP )

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“…Cowpea is nutritionally valuable in humans and animals. It is consumed as grains (dry and fresh) and vegetable leaves (Badiane et al, 2004) whereas the haulms are utilized as forage for livestock (Sprent et al, 2009). Cowpea grains are rich in proteins which could complement the diets of the majority of African households whose diets mainly consist of starch (Singh et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Effect of Moistube and subsurface drip irrigation on cowpea (Vigna unguiculata (l.) Walp) production in South Africa

Kanda

Senzanje

Mabhaudhi

2020

WSA

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Moistube irrigation (MTI) is a new subsurface irrigation technology where the water emits from a semi-permeable membrane at a slow rate depending on applied pressure and soil water potential. There is lack of information on how various crops respond to MTI. This study determined growth, yield and water use efficiency (WUE) of cowpea (Vigna unguiculata (L.) Walp) under varying water regimes under MTI and subsurface drip irrigation (SDI), using field and glasshouse experiments in summer and winter of 2018, respectively. A split-plot design arranged in randomized complete blocks, replicated 3 times, with SDI as the control experiment was used. The main plot was irrigation type while the sub-plots were the water regimes. The water treatments consisted of full irrigation (100% of crop water requirement (ETc)), and deficit irrigation (DI) of 70% ETc and 40% ETc. Water deficit had a significant effect (p < 0.05) on time to flowering; plants under 40% ETc flowered 14 days earlier than plants at 100% ETc. There were significant (p < 0.05) differences in yield components. Grain yields were 1 280 kg∙ha-1, 2 401 kg∙ha-1 and 3 189 kg∙ha-1 for 40% ETc, 70% ETc and 100% ETc, respectively, but no significant (p > 0.05) differences were recorded between SDI and MTI. However, at 40% ETc, SDI had 15% higher yield than MTI. Biomass varied significantly (p < 0.05) with irrigation type and water treatment. Grain WUE varied significantly (p < 0.05) among the water regimes. The highest WUE was achieved under SDI at 70% ETc but was not significantly different from that under MTI at 70% ETc. In conclusion, performance of cowpea was similar under the two irrigation systems under moderate DI but was better for SDI under severe DI with respect to biomass and WUE for the summer trial. Moderate DI improved the grain WUE while all the DI conditions improved the biomass WUE.

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Screening cowpea [Vigna unguiculata (L.) Walp.] varieties by inducing water deficit and RAPD analyses

Cited by 11 publications

References 12 publications

Comparison of the Differences in Tolerance to Drought Stress across Five Clematis Species Based on Seed Germination and Seedling Growth

Comparison of the Differences in Tolerance to Drought Stress across Five Clematis Species Based on Seed Germination and Seedling Growth

Ethnobotanical investigation and Morphobiometric Characterization of different Cowpea seeds (Vigna Unguiculata Subsp. Unguiculata (L.) Walp) in the Hoggar region (Algerian Sahara): acquisition And future investment project for food security in Algeria

Effect of Moistube and subsurface drip irrigation on cowpea (Vigna unguiculata (l.) Walp) production in South Africa

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