Morphological characterization of some naturalized accessions of Opuntia ficus-indica (L.) Mill. in the Algerian steppe regions

Adli, Benziane; Touati, Mostefa; Yabrir, Benalia; Bakria, T.; Bezini, Elhadi; Boutekrabt, A.

doi:10.1016/j.sajb.2019.04.017

Cited by 7 publications

(3 citation statements)

References 8 publications

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“…Table2). In line with this finding,Peña-Valdivia et al (2008) reported differences in morphological characteristics of opuntias, and presence of spines on the surface of cladodes, and cladodes' width and length Adli et al (2019). also observed significant differences in cladode length, width, and thickness among four O. ficus-indica accessions.…”

mentioning

confidence: 63%

“…Similarly, Méndez-Gallegos et al (2010) reported differences in the carminic acid percentage of D. coccus among different cultivars. Arroyo-Figueroa et al (2020) also reported the effect of morphological characteristics in cladodes of different ages, such as length, width, and weight affected D. coccus yield; which can be also different intra and inter-species (Peña-Valdivia et al, 2008;Adli et al, 2019). The number of days to complete the female life cycle of the insect (harvesting) showed a statistically significant difference among the susceptible cultivars (P=0.0000).…”

Section: Coccus Survival and Developmentmentioning

confidence: 94%

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Resistance of Opuntia ficus-indica cv ‘Rojo Pelon’ to Dactylopius coccus (Hemiptera: Dactylopiidae) under greenhouse condition

Berhe

Portillo

Vigueras-Guzmán

2022

J PROF ASSOC CACTUS

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Opuntia ficus-indica (L.) Mill.), is called "beles" in the Tigray region of Ethiopia, where it is used for multiple purposes, such as food, fodder, and fences; however, in recent years the introduction of the cochineal (Dactylopius coccus Costa) to this region has caused it to become a plague that has affected thousands of hectares, causing an economic and social problem. Six cultivars: three from Opuntia ficus-indica (‘Atlixco’, ‘Chicomostoc’, and ‘Rojo Pelón’) and three others O. cochenillifera (‘Nopalea’ and ‘Bioplástico’) and O. robusta (‘Robusta’) were tested for resistance to D. coccus in completely randomized design (CRD) experiment with six replications under greenhouse conditions, for two seasons (cycles). Matured cladodes were infested by attaching a paper bag with ten ovipositing female D. coccus. The number of insects at different stages and yields were recorded, log transformed (insect count data), and subjected to statistical analysis. The number of nymphs (stages I and II) was significantly different in both cycles (P=0.0000). The insects died at the nymph I stage at ‘Rojo Pelón’ and ‘Robusta’, in contrast, they completed their life cycle at ‘Atlixco’, ‘Chicomostoc’, and ‘Nopalea’ cultivars. Insects at ‘Bioplástico’ cultivar remained in the nymph I stage the whole experimental period; the molting was hampered. Although some crawlers started settling (nymph I) at ‘Rojo Pelón’, they couldn’t survive and developed, and this confirms that this O. ficus-indica cultivar is resistant to D. coccus.

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confidence: 63%

Section: Coccus Survival and Developmentmentioning

confidence: 94%

Resistance of Opuntia ficus-indica cv ‘Rojo Pelon’ to Dactylopius coccus (Hemiptera: Dactylopiidae) under greenhouse condition

Berhe

Portillo

Vigueras-Guzmán

2022

J PROF ASSOC CACTUS

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“…Recent genetic studies in Mexico have found a very high genetic diversity in this species and highlight the poor understanding of its population structure [ 30 ]. High levels of genetic diversity are also described for its invasive populations in Algeria [ 31 ], showing that some morphological characteristics were influenced by environmental factors. These morphological responses could potentially become important for understanding the underlying gene-by-environment relationships, referring to the interaction between an individual’s genetic makeup and its environment, which can influence the expression of phenotypes [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

Increased Plasticity in Invasive Populations of a Globally Invasive Cactus

Tesfay,

Blaschke,

Ashley

et al. 2023

Plants

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Biological invasions pose global threats to biodiversity and ecosystem functions. Invasive species often display a high degree of phenotypic plasticity, enabling them to adapt to new environments. This study examines plasticity to water stress in native and invasive Opuntia ficus-indica populations, a prevalent invader in arid and semi-arid ecosystems. Through controlled greenhouse experiments, we evaluated three native and nine invasive populations. While all plants survived the dry treatment, natives exhibited lower plasticity to high water availability with only a 36% aboveground biomass increase compared to the invasives with a greater increase of 94%. In terms of belowground biomass, there was no significant response to increased water availability for native populations, but plants from the invasive populations showed a 75% increase from the dry to the wet treatment. Enhanced phenotypic plasticity observed in invasive populations of O. ficus-indica is likely a significant driver of their success and invasiveness across different regions, particularly with a clear environmental preference towards less arid conditions. Climate change is expected to amplify the invasion success due to the expansion of arid areas and desertification. Opuntia ficus-indica adapts to diverse environments, survives dry spells, and grows rapidly in times of high-water supply, making it a candidate for increased invasion potential with climate change.

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Cactus Pear (Opuntia spp.) Species and Cultivars

Mazri

2021

Opuntia Spp.: Chemistry, Bioactivity and Industrial Applications

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Morphological characterization of some naturalized accessions of Opuntia ficus-indica (L.) Mill. in the Algerian steppe regions

Cited by 7 publications

References 8 publications

Resistance of Opuntia ficus-indica cv ‘Rojo Pelon’ to Dactylopius coccus (Hemiptera: Dactylopiidae) under greenhouse condition

Resistance of Opuntia ficus-indica cv ‘Rojo Pelon’ to Dactylopius coccus (Hemiptera: Dactylopiidae) under greenhouse condition

Increased Plasticity in Invasive Populations of a Globally Invasive Cactus

Cactus Pear (Opuntia spp.) Species and Cultivars

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