Whitefly, <i>Bemisia tabaci</i> (Gennadius) as influenced by host plants in Haryana

Kedar, S.C.; Saini, Rakesh; Kumaranag, K. M.

doi:10.5958/0974-8172.2018.00042.1

Cited by 10 publications

(9 citation statements)

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“…Besides, we recorded the dominance of Aphelinid parasitoid E. lutea among the total fauna of NEs and showed similar parasitism rates to B. tabaci nymphs in Bt and non-Bt cotton. In cotton, E. lutea is reported as a major nymphal parasitoid of B. tabaci in Northern India (Sharma et al, 2003;Kedar et al, 2014;Sangha et al, 2018) and in Turkey (Karut and Kazak, 2007) was largely responsible for regulating the density B. tabaci in cotton. In addition, we have observed no signi cant difference in the diversity of NEs observed in Bt and non-Bt cotton.…”

Section: Discussionmentioning

confidence: 99%

“…Further, we observed no difference in the parasitism rate of E. lutea found in between Bt cotton and non-Bt cotton. In the cotton ecosystem, E. lutea parasitizes the B. tabaci throughout the season imparting a role in biological suppression (Karut and Kazak 2007) and the parasitism rates varied with pest density in cotton (Sharma et al, 2003;Kedar et al, 2014;Sangha et al, 2018). A higher abundance of E. lutea both in Bt and non-Bt cotton evidenced to be a major natural enemy for suppressing the density of B. tabaci.…”

Section: Discussionmentioning

confidence: 99%

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Population dynamics of whitefly Bemisia tabaci (Gennadius 1889) and characterization of their natural enemy community in transgenic Bt and non-Bt cotton

Kedar

Saini

Kumaranag

et al. 2023

Preprint

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Whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a major sucking pest of agricultural and horticultural crops. It causes economic damage directly by feeding plant foliage and indirectly serves as a vector for deadly plant viruses. We studied the population dynamics of B. tabaci and the associated natural enemies in the Bt and non-Bt cotton ecosystems. Through three years of investigation, the population of B. tabaci appeared and remained for 23 weeks both in Bt and non-Bt cotton. The population of adults and nymphs of B. tabaci were higher during the last week of July (30th week; 13.47 ± 8.03 adults leaf–1) and mid of August (33rd week; 91.16 ± 82.67 nymphs leaf–1), respectively in Bt cotton. In non-Bt cotton, the higher population of adults and nymphs was found during the last week of July (30th week; 7.73 ± 3.64 adults leaf–1) and the last week of August (34th week; 35.66 ± 33.37 nymphs leaf–1), respectively. We recorded, 25 species of natural enemies (NEs) of B. tabaci, of which 23 were predators and one species of parasitoid and the entomopathogenic fungi in Bt and non-Bt cotton. The aphelinid parasitoid Encarsia lutea (Masi) was more abundant (71.29%) NEs, followed by coccinellid Serangium parcesetosum Sicard (7.76%). We found no significant difference in the abundance of the NEs observed between the Bt and non-Bt cotton. In general, climatic variables such as maximum and minimum relative humidity, temperature and rainfall influenced the build upof B. tabaci population and NEs abundance both in Bt and non-Bt cotton. Our study recorded higher population of B. tabaci in Bt cotton than the non-Bt cotton and the pest population was regulated by NEs and the prevailing climatic conditions of the region. Thus, the NEs community and population dynamics of B. tabaci need to be taken into consideration for the development of IPM. Further conservation of these wide arrays of NEs could help in the management of this pest for sustainable cotton production.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Population dynamics of whitefly Bemisia tabaci (Gennadius 1889) and characterization of their natural enemy community in transgenic Bt and non-Bt cotton

Kedar

Saini

Kumaranag

et al. 2023

Preprint

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“…Among the plants squash, tomato, brinjal, potato, pumpkin, cucurbits, okra, beans are noteworthy. Parthenium is one of the most favourite host of whitefly [90]. It also known to feed on weed like Itsit, datura, milkweed, Chenopodium sp.…”

Section: Host Preferencementioning

confidence: 99%

Host Preference, Mode of Damage and Succession of Major Insect Pests of Brinjal

Nasif

Siddiquee

2020

ARRB

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Brinjal is one of the most popular solanaceous vegetables worldwide because of its nutritive and nutraceutical values. In recent decades, brinjal cultivation has been experiencing increased biotic and abiotic stresses due to the climate changes, which had affected the cultivation practices, growers’ profit and consumers’ choice to a larger extent. Amongst different insect pests, brinjal shoot and fruit borer (BSFB) is the major one causing significant reduction in economic yield followed by epilachna beetle, aphid, jassid and whitefly. On the other hand, proper knowledge on nature of damage, host preference, and seasonal abundance of insect pests is a pre-requisite for development and deployment of an appropriate, effective and timely management strategy against the pests. A pool of literatures on host preferences, damage pattern and succession of major insect pests of brinjal has been reviewed and presented in this paper.

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“…Bemisia tabaci shows dissimilar preference for oviposition, host suitability, adaptation, and efficiency of virus transmission (De Barro et al, 2005). It has a wide host range of about 1000 plant species in 74 plant families, including cotton, brinjal, tomato, soybean, cucumber and weed host, Solanum nigrum L. (Abd-Rabou and Simmons, 2010;Kedar et al, 2018). The effective management of such a polyphagous pest in diverse, year-round agricultural systems is often a challenge.…”

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confidence: 99%

Preference and Preformance of <i>Bemisia tabaci</i> (Gennadius) on Different Host Plants

Gurmail

Aggarwal

2023

ije

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Host preference and development biology of Bemisia tabaci (Gennadius) on brinjal, soybean, cucumber, cotton, tomato and Solanum nigrum L. was studied during 2020-21 at PAU, Ludhiana. Under free choice test conditions, cucumber was the most preferred host which attracted maximum number of adults followed by soybean. The other host plants in decreasing order of preference were cotton > brinjal > tomato > S.nigrum. Brinjal and cotton were the most suitable hosts having shorter development period, highersurvival and fecundity. The survival of immature stages on soybean was 50% as compared to 67.5-72.5% on the most suitable hosts i.e. cotton and brinjal. Thus, soybean is a preferred host for adult feeding andoviposition but less suitable for immature stages of the B. tabaci. Hence, soybean may be exploited as atrap crop for the management of B. tabaci.

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Whitefly, Bemisia tabaci (Gennadius) as influenced by host plants in Haryana

Cited by 10 publications

References 0 publications

Population dynamics of whitefly Bemisia tabaci (Gennadius 1889) and characterization of their natural enemy community in transgenic Bt and non-Bt cotton

Population dynamics of whitefly Bemisia tabaci (Gennadius 1889) and characterization of their natural enemy community in transgenic Bt and non-Bt cotton

Host Preference, Mode of Damage and Succession of Major Insect Pests of Brinjal

Preference and Preformance of <i>Bemisia tabaci</i> (Gennadius) on Different Host Plants

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