Resistance to Bemisia tabaci (Hemiptera: Aleyrodidae) Mediterranean (Q Biotype) in Landrace and Wild Tomato Populations from Mexico

Abstract

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A Rapid Screening Method for Resistance to Anthonomus eugenii (Coleoptera: Curculionidae) in Capsicum (Solanaceae) spp. Plants

“…Additionally, these results indicate that wild and landrace pepper populations differ in their level of A. eugenii resistance, and are more resistant than cultivated varieties of pepper under nochoice resistance tests. These results support previous studies indicating that cultivated species are less resistant to herbivores than wild and landrace populations (Garzón-Tiznado et al 2020;Millán-Chaidez et al 2020).…”

Population changes of Bemisia tabaci (Hemiptera: Aleyrodidae) on different colored poinsettia leaves with different trichome densities and chemical compositions

“…In this study, more eggs were found laid on green leaves than on red leaves of poinsettia, and leaf trichomes occurred at a far greater density on green leaves, nearly 10-fold that of red leaves. Previous studies found similar results, in that a high density of trichomes is favorable for whitefly reproduction in landrace, tomato, and cotton host plants (Acharya and Bhargava 2008, Firdaus et al 2012, Millan-Chaidez et al 2020, Pal et al 2021, Siddiqui et al 2021). That more eggs are laid where there are more trichomes could be due to the latter providing a favorable and safe microclimate for oviposition (Millan-Chaidez et al 2020).…”

Identification and Characterization of Hibiscus mutabilis Varieties Resistant to Bemisia tabaci and Their Resistance Mechanisms

“…Host plant antibiosis directly affects insect growth, development, and reproduction, serving as a crucial metric for evaluating plant resistance [35]. The variations in the developmental process of B. tabaci among H. mutabilis varieties observed in this study have been documented in crops such as tomato [23], cucumber [25], pepper, and cassava [36,37]. However, information is limited regarding the developmental processes of B. tabaci on different H. mutabilis species.…”

“…Van et al [ 31 ] proposed an evaluation method based on B. tabaci egg production and adult and nymph survival rates, but this method is labor-intensive and unsuitable for large-scale applications. Taylor [ 22 ] introduced the reproduction index method, validated by Kayani et al [ 32 ] for evaluating cucumber resistance to the southern root-knot nematode, and Millan et al [ 23 ] applied it to analyze and grade tomato resistance to B. tabaci . Using these studies as a basis, we adopted the reproduction index method to assess the resistance level of H. mutabilis to B. tabaci .…”

“…Resistance was assessed using the reproduction index described by Taylor et al [ 22 ] and according to resistance evaluation criteria established by Millan et al [ 23 ]. The methodology and framework used in this study align with the guidelines discussed by Stenberg and Muola [ 24 ].…”