Distribution and Mitotype Diversity of &lt;i&gt;Bemisia tabaci&lt;/i&gt;

Ramesh, K. B.; Mahendra, C.; Rajna, S.; Subramanian, S.

doi:10.55446/ije.2022.806

Cited by 3 publications

(4 citation statements)

References 21 publications

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“…1). The prevalence of genetic group Asia II-1 is well recorded in North Indian region (Ellango et al, 2015;Ramesh et al, 2022). The same genetic group was also reported by Naveen et al (2017) in New Delhi in cotton.…”

Section: Resultssupporting

confidence: 72%

“…B. tabaci population was collected from unsprayed tomato field (28° 37' 41" N, 77° 09' 36" E) in IARI, Pusa, New Delhi and reared on potted (diameter 15 cm) tomato plants in a protected and controlled environment under temperature 27± 1°C and 65± 5% RH and photoperiod 14:10-L:D at Insect Proof Climate Control Chamber, Division of Entomology, ICAR-IARI, New Delhi (during 2018-22). Genetic group identification of B. tabaci was done in accordance to the methodology described by Ramesh et al (2022). DNA was isolated from single adult B. tabaci by using DNeasy® Blood and Tissue kit (Qiagen).…”

Section: Methodsmentioning

confidence: 99%

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Protocol for Temperature Toxicity Investigation on Whitefly <i>Bemisia tabaci</i> (Gennadius)

R M,

S T,

et al. 2023

IJE

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A cost-effective laboratory protocol was perfected for investigating temperature toxicity against whitefly Bemisia tabaci (Genn.) on tomato. Understanding temperature toxicity relationship will aid in strategization of pest management. The experiments conducted to develop the current protocol used B. tabaci Asia II-1 as test insect. Essentially this protocol consist of three steps which are: (1) Temperature incubation of test insects: includes three hour starvation period and temperature treatment of B. tabaci; (2) Preparatory steps of leaf-dip bioassay: suggests use of agar cube method (reduces agar usage by 70%) to maintain green and turgid test leaves during post-exposure period of bioassay; (3) Release of temperature treated insects and mortality counting: test insect release, securing petri plates, recording observations, etc. all are deliberated in detail. This protocol facilitates economical, convenient and easy-to-handle experimentation to study temperature toxicity relationship in B. tabaci.

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Section: Resultssupporting

confidence: 72%

Section: Methodsmentioning

confidence: 99%

Protocol for Temperature Toxicity Investigation on Whitefly <i>Bemisia tabaci</i> (Gennadius)

R M,

S T,

et al. 2023

IJE

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“…Tolerant genotype DLS-Sel-10 and susceptible genotype PM were assessed for whitefly developmental behavior to understand DLS-Sel-10’s resistance. Two tests, no choice and free choice, were employed for whitefly ( Bemisia tabaci mitotype Asia II 7) [ 50 ] resistance evaluation.…”

Section: Methodsmentioning

confidence: 99%

Exploring Host Resistance against Chilli Leaf Curl Disease in a Tolerant Chilli Genotype

Mangal,

Srivastava,

Mandal

et al. 2024

Plants

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In tropical countries, combating leaf curl disease in hot peppers has become important in improvement programs. Leaf curl disease is caused by whitefly (Bemisia tabaci) transmitted begomoviruses, which mainly include chilli leaf curl virus (ChiLCV). However, multiple begomoviruses have also been found to be associated with this disease. The Capsicum annuum line, DLS-Sel-10, was found to be a tolerant source against this disease during field screening. In this study, we characterized the resistance of DLS-sel-10 against chilli leaf curl virus (ChiLCV) in comparison to the susceptible cultivar Phule Mukta (PM), focusing on the level, stage, and nature of resistance. Comprehensive investigations involved screening of DLS-Sel-10 against the whitefly vector ChiLCV. The putative tolerant line displayed reduced virus infection at the seedling stage, with increasing resistance during vegetative, flowering, and fruiting stages. Both DLS-Sel-10 and PM could be infected with ChiLCV, although DLS-Sel-10 remained symptomless. Insect feeding assays revealed DLS-Sel-10 as a less preferred host for whiteflies compared to PM. In conclusion, DLS-Sel-10 demonstrated tolerance not only to ChiLCV but also served as an unfavorable host for the whitefly vector. The study highlighted an age-dependent increase in tolerance within DLS-Sel-10, showcasing its potential for effective leaf curl disease management in chilli.

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“…The whitefly, Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae), is regarded as a devastating pest on cucumber plants, is a deleterious insect (Basu, 1995), is a piercing-sucking pest (Li et al, 2022), is a cosmopolitan pest (Ramesh et al, 2023), and is highly polyphagous (Abd-El-Kariem et al, 2015). It infests the cucumber plants, and it caused him serious trouble, and because it feeds directly on the sap from the plant leaf and consumes enormous quantities of phloem sap and excretes a large amount of honeydew, which would reduce plant vitality, growth, and production, that's because of its high numbers of insects, low movement, and confined and congregational feeding of nymphs stage (Stansly et al, 2009;Vav Doorn et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Monitoring of the whitefly populations on cucumber plants in a greenhouse in Luxor region of South Egypt

Bakry,

Mohamed,

Abd-Elazeem

et al. 2023

SVU-International Journal of Agricultural Sciences

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Experiments were conducted on cucumber plants under greenhouse conditions (Barracuda cultivar) at Armant district, Luxor Governorate, Egypt, throughout two successive growing seasons (2021 and 2022) to study the population dynamics of the whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). The effect of temperature, relative humidity, and plant development on the oscillations of B. tabaci was studied. The results cleared that the number of B. tabaci individuals was detected on cucumber plants during the period from January 23 rd till April 17 th , i.e., the insect infestations appeared on plants that were eight weeks old after emergence (WAE) in 2021 season. While, it appeared during the interval from March 6 th until July 9 th , i.e., the injuries discovered on plants that were thirteen weeks old after emergence (WAE) in 2022 season. Furthermore, the total estimates of B. tabaci during the first growing season (2021) were smaller than those during the second growing season (2022). In the two seasons, a gradual increase in the numbers of B. tabaci on cucumbers was observed during the month of April, indicating that the management of the pest should begin before it reaches its highest level, during the seedling and flowering stages. The results indicated that the influences of weather circumstances and plant development on B. tabaci abundance were highly significant over the two seasons studied and that these variables varied from season to another. As well, the percentages of explained variance were 98.05 and 93.43% in the two seasons, respectively. This information can help establish a greenhouse whitefly management and monitoring programme.

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Distribution and Mitotype Diversity of <i>Bemisia tabaci</i>

Cited by 3 publications

References 21 publications

Protocol for Temperature Toxicity Investigation on Whitefly <i>Bemisia tabaci</i> (Gennadius)

Protocol for Temperature Toxicity Investigation on Whitefly <i>Bemisia tabaci</i> (Gennadius)

Exploring Host Resistance against Chilli Leaf Curl Disease in a Tolerant Chilli Genotype

Monitoring of the whitefly populations on cucumber plants in a greenhouse in Luxor region of South Egypt

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