Biological control in ornamental plants: from basic to applied knowledge

Souza, Brígida; Marucci, Rosangela Cristina

doi:10.1590/2447-536x.v27i2.2365

Cited by 5 publications

(3 citation statements)

References 52 publications

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“…Adoption of biological control is one of the crucial approaches currently at the forefront and is strongly desired for sustainable agriculture 18 . Several features of using biocontrol agents have been reported as one eco-friendly alternative or a supplemental way of reducing the use of toxic fungicides in ornamental plants 65 . Therefore, it is important to come up with new biological control products for eco-friendly and sustainable efficient benefits 17 .…”

Section: Discussionmentioning

confidence: 99%

Characterization and control of Rhizoctonia solani affecting lucky bamboo (Dracaena sanderiana hort. ex. Mast.) using some bioagents

Abdel-Rahman

Abdel-Megeed

Salem

2023

Sci Rep

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In a survey conducted during the period of March–May 2019 in nurseries, warehouses, and shops at three governorates (Alexandria, El-Behera, and Giza governorates, Egypt), symptoms of root rot, basal stem rot, and wilt disease complex were observed in the lucky bamboo (Dracaena sanderiana hort. ex. Mast.). The highest disease infection percentage was found in lucky bamboo collected from Alexandria City (47.67%), while the highest disease severity was in lucky bamboo collected from El-Behera Governorate (35.19%). Rhizoctonia solani, Fusarium oxysporum, F. solani, Aspergillus niger, and Alternaria alternate were isolated and identified in the infected lucky bamboo samples. R. solani isolates were the most dominant among the recovered fungal species with a percentage of 80.89% of the total isolates (246). Pathogenicity tests showed that R. solani was the most pathogen with 100% disease infection and 76.67% disease severity. Molecular identification characterized R. solani isolate as R. solani AUMC 15120, MZ723906. Meanwhile, four biological control agents (bioagents) were isolated from the healthy lucky bamboo samples and identified based on cultural, morphological, microscopic characteristics, and the molecular phylogenetic analysis as Clonostachys rosea AUMC 15121, OL461708; Bacillus circulans TAG1, MW441316; B. siamensis TAP1, MW441318 and Ochrobactrum anthropi TAM1, MW441317. The four bioagents showed potential inhibition of R. solani in vitro as well as in vivo on lucky bamboo plants in vase treatments compared to the untreated inoculated control as well as certain fungicides and biocides used (Moncut, Rizolex-T, Topsin-M, Bio-Zeid, and Bio-Arc). The bioagent O. anthropi showed the highest inhibition growth (85.11%) of the in vitro R. solani colony, which was not significantly different from the biocide Bio-Arc (83.78%). However, C. rosea, B. siamensis and B. circulans showed inhibition values of 65.33, 64.44, and 60.44%, respectively. On the other hand, the biocide Bio-Zeid showed less inhibitory effect (43.11%), while the lowest growth inhibition was recorded by Rizolex-T (34.22%) and Topsin-M (28.67%). Furthermore, the in vivo experiment supported the in vitro results for the most effective treatments, where all the treatments significantly decreased the percentage of infection and disease severity compared to the inoculated untreated control. Additionally, the bioagent O. anthropi showed the highest effect, i.e., the lowest disease incidence and disease severity being 13.33% and 10%, compared to 100% and 75%, respectively, in the untreated inoculated control. This was not significantly different from the fungicide Moncut (13.33% and 21%) and from the bioagent C. rosea (20% and 15%) treatments for both parameters, respectively. In conclusion, the bioagents O. anthropi MW441317 at 1 × 108 CFU/ml as well as C. rosea AUMC15121 at 1 × 107/ml proved to be efficient to control R. solani causing root rot, and basal stem rot on lucky bamboo, compared to fungicide Moncut and can be used for disease management without the negative impact of the chemical control. Furthermore, this is the first report of the isolation and identification of Rhizoctonia solani, a pathogenic fungus, and four biocontrol agents (Bacillus circulans, B. siamensis, Ochrobactrum anthropi and Clonostachys rosea) associated with the healthy lucky bamboo plants.

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Section: Discussionmentioning

confidence: 99%

Characterization and control of Rhizoctonia solani affecting lucky bamboo (Dracaena sanderiana hort. ex. Mast.) using some bioagents

Abdel-Rahman

Abdel-Megeed

Salem

2023

Sci Rep

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“…Establishing a sustainable agri-food system is one of the requirements to enable the development of horticultural agriculture that is ecologically correct, socially just, technologically adequate, economically viable, and culturally accepted. Among the agricultural practices that contribute to the sustainability of horticultural systems are the application of bioinputs to control pests and diseases [1], biotechnologies that improve plant growth and development [2], in greenhouses [3], and soilless cultivation using substrates [4].…”

Section: Introductionmentioning

confidence: 99%

Multivariate Contrasts of Seven Strawberry Cultivars in Soilless Cultivation and Greenhouse in Southern Brazil

Chiomento

Nardi

Kujawa

et al. 2023

Advanced Chemicobiology Research

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Understanding the performance of strawberry cultivars in response to the evolving environment and growth medium is a key factor in choosing materials with the aptitude to serve the consumer market. Here, we investigated whether strawberry cultivars in soilless cultivation and greenhouse differ in their agronomic potential. We have studied seven cultivars in an experiment designed in randomized blocks, with four replications. We used analysis of variance and multivariate to examine production attributes, the chemical quality of fruits, and their phytochemical profile. Among the seven cultivars, three heterogeneous groups were formed, gathering the materials mainly due to the similarity in terms of the content of total polyphenols (TPO) and average fresh fruit mass (AFFM). ‘Aromas’ produced the greatest number of strawberries. ‘Fronteras’ and ‘Monterey’, in turn, were the most productive cultivars, and ‘Albion’ and ‘Fronteras’ produced the largest fruits. ‘Albion’ produced the sweetest and tastiest fruits, with an adequate relationship between sugar and acidity. ‘Camino Real’ produced fruits with higher phytochemical content. We conclude that the seven strawberry cultivars in soilless cultivation and greenhouse have contrasting agronomic potential, which indicates that the producers can establish their crops with different materials. We suggest the use of ‘Fronteras’ to obtain greater yield and fruit size, ‘Albion’ to producers looking to grow sweeter and tastier fruits, and ‘Camino Real’ to obtain strawberries rich in secondary metabolites.

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“…In recent years, rose producers have adopted more sustainable control measures for the management of pest arthropods, including the use of entomophagous and entomopathogenic agents (Souza and Marucci, 2021). The predator Chrysoperla externa (Hagen, 1861) (Neuroptera: Chrysopidae) occurs naturally in cultivated areas, which makes its application as a control agent viable (Rodrigues-Silva et al, 2017;Martins et al, 2019;Lara et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Inter - and intraspecific relationships between Macrosiphum rosae (Hemiptera: Aphididae) and Chrysoperla externa (Neuroptera: Chrysopidae)

Carvalho

Vieira

Hernandez

et al. 2022

Rev. Bras. entomol.

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The predator Chrysoperla externa (Hagen, 1861) (Neuroptera: Chrysopidae) is a polyphagous species that has, among its wide range of acceptable prey, the aphid Macrosiphum rosae (Linnaeus, 1758) (Hemiptera: Aphididae), an important pest of rose plants. We assessed the consumption of nymphs and adults of M. rosae by C. externa larvae, the predatory efficiency, and larval survival under different predator:prey ratios, densities of aphids, and ages of aphids. The bioassays were performed at 25 ± 1°C and 70 ± 10% RH under a 12-hour photoperiod, with aphids taken from roses of the cultivar Avalanche. Consumption was assessed by making young aphids (2nd and 3rd instars) and more developed aphids (4th instar and adult) available throughout the larval stage of the predator. The predatory efficiency and survival were studied for second-instar larvae offered M. rosae nymphs at densities of 20, 40, 80, 120, and 160 using predator:prey ratios of 1:5, 1:10, and 1:20. The assessments were performed 24, 48, and 72 hours after putting the species together. All of the C. externa instars consumed younger than older aphids. Larvae in the third instar consumed 80% of the young aphids and 77% of the older aphids. The higher the predator:prey ratio and larval density, the higher the predatory efficiency and the lower the larval survival. The ratios 1:5 and 1:10 led to the elimination of younger and older aphid populations 72 hours into the interaction between species.

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Biological control in ornamental plants: from basic to applied knowledge

Cited by 5 publications

References 52 publications

Characterization and control of Rhizoctonia solani affecting lucky bamboo (Dracaena sanderiana hort. ex. Mast.) using some bioagents

Characterization and control of Rhizoctonia solani affecting lucky bamboo (Dracaena sanderiana hort. ex. Mast.) using some bioagents

Multivariate Contrasts of Seven Strawberry Cultivars in Soilless Cultivation and Greenhouse in Southern Brazil

Inter - and intraspecific relationships between Macrosiphum rosae (Hemiptera: Aphididae) and Chrysoperla externa (Neuroptera: Chrysopidae)

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