Compatibility of Neem Oil and Different Entomopathogens for the Management of Major Vegetable Sucking Pests

Halder, Jaydeep; B., A.; Kodandaram, M. H.

doi:10.1007/s40009-012-0091-1

Cited by 47 publications

(43 citation statements)

References 9 publications

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“…Positive results of neem-based oils combined with various entomopathogenic fungi, i.e. , ‘synergism or ‘compatibility’, have also been reported in insect bioassays with caterpillars ( Spodoptera litura ), locusts ( Anacridium melanorhodon ) and mealybugs ( Phenacoccus solenopsis ) [ 47 , 48 , 49 ]. From these studies, a trend for the improved compatibility of fungi and neem oils in terms of pathogenicity against insects, versus direct growth characteristics in media were observed.…”

Section: Discussionmentioning

confidence: 99%

Compatibility of Isaria fumosorosea (Hypocreales: Cordycipitaceae) Blastospores with Agricultural Chemicals Used for Management of the Asian Citrus Psyllid, Diaphorina citri (Hemiptera: Liviidae)

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Aristizábal

et al. 2013

Insects

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Biorational insecticides are being increasingly emphasized for inclusion in integrated pest management programs for invasive insects. The entomopathogenic fungus, Isaria fumosorosea, can be used to help manage the Asian citrus psyllid with minimal impact on beneficial arthropods, but its effectiveness may be compromised by agrochemicals used to control concurrent arthropod pests and diseases. We evaluated the compatibility of I. fumosorosea blastospores with a range of spray oils and copper-based fungicides registered for use in citrus groves. Results of laboratory and greenhouse tests showed a range of responses of the fungus to the different materials, including compatibility and incompatibility. Overall, I. fumosorosea growth in vitro was reduced least by petroleum-based materials and most by botanical oils and borax, and some of the copper-based fungicides, suggesting that tank mixing of I. fumosorosea with these latter products should be avoided. However, equivalent negative effects of test materials on fungal pathogenicity were not always observed in tests with adult psyllids. We hypothesize that some oils enhanced adherence of blastospores to the insect cuticle, overcoming negative impacts on germination. Our data show that care should be taken in selecting appropriate agrochemicals for tank-mixing with commercial formulations of entomopathogenic fungi for management of citrus pests. The prospects of using I. fumosorosea for managing the invasive Asian citrus psyllid and other citrus pests are discussed.

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Section: Discussionmentioning

confidence: 99%

Compatibility of Isaria fumosorosea (Hypocreales: Cordycipitaceae) Blastospores with Agricultural Chemicals Used for Management of the Asian Citrus Psyllid, Diaphorina citri (Hemiptera: Liviidae)

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Aristizábal

et al. 2013

Insects

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“…Botanically derived insecticides have got more and more attention in the recent years because of the natural substances present on it and will play most important role in developing and industrialized country as well in the near future (Dimetry, 2012). Different entomopathogenic fungi in combination with neem oil tested were found to be against vegetable sucking pest (Halder et al, 2013). The use of nanoparticles of neem in combination with other botanicals like citronella were found as effective antifungal activity against phytopathogenic fungi (Ali et al, 2017).…”

Section: Future Prospects Of Neemmentioning

confidence: 99%

Use of neem (Azadirachta indica A. Juss) as a biopesticide in agriculture: A review

Adhikari¹,

Bhandari²,

Niraula³

et al. 2020

JAAB

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Neem (Azadirachta indica A. Juss) is a member of Meliaceae family, a fast-growing tropical evergreen plant whose products were found effective against economically important insect pests and diseases. All parts of this plant particularly leaf, bark, and root extracts have the biopesticidal activities. Azadirachtin, a biopesticide obtained from neem extract, can be used for con-trolling various insect pests in agriculture. It acts on insects by repelling them, by inhibiting feeding, and by disrupting their growth, and reproduction. Neem-based formulations do not usually kill insects directly, but they can alter their behavior in significant ways to reduce pest damage to crops and reduce their reproductive potential. The neem is considered as an eas-ily accessible, eco-friendly, biodegradable, cheap, and non-toxic biopesticide which control the target pests. Thus, this re-view highlighted the extract, byproducts and roles of neem that can be used as potential biopesticide in agriculture.

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“…Moreover, they are also compatible with plant origin insecticides like neem oil. In another study, it was found that entomopathogens, B. bassiana and V. lecanii were promising against major sucking pests of vegetables viz., Phenacoccus solenopsis, Aphis craccivora and Lipaphis erysimi 13 . Compatibility of neem with major entomopathogenic fungi was ascertained by several researchers in the past 14,15 .…”

Section: Bioefficacy Of Entomopathogens Botanicalmentioning

confidence: 99%

Distribution, Host Range and Bionomics of Rhopalosiphum nymphaeae (Linnaeus, 1761) a Polyphagous Aphid in Aquatic Vegetables

Halder

Chakrabarti

et al. 2020

Def. Life. Sc. Jl.

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The present study records the occurrence of water lily aphid, Rhopalosiphum nymphaeae (Linn, 1971) on different aquatic plants from Varanasi and adjoining regions, Uttar Pradesh, India for the fi rst time. Both nymphs and adults prefer to feed on petiole, leaf lamina and buds towards terminal portion of different aquatic plants. They suck the cell sap resulting in curling of leaves, stunted plant growth with lower number of fruits in water chestnut. Further, the honey dew deposited on the leaves favours the development of black sooty-mould and hinders the normal photosynthetic activity of the plants. Infestation of aphid started in the region on water chestnut during last week of October (1.35 aphids leaf-1) coinciding with the initiation of winter in the region and gradually increased with highest peak (21.95 aphids leaf-1) during fourth week of January. Amongst the different aquatic host plants under study in the region, olfactometer study showed significantly highest number of R. nymphaeae (28%) attraction towards lotus followed by of water chestnut (21.3%) and water lily (20%) and the least was with water hyacinth (4%). Amongst the biopesticides tested, L. lecanii @ 5 g lit-1was found most promising with lowest median lethal time (31.09 h) followed by neem oil (1%) (41.59 h) and M. anisopliae (43.95 h).

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Compatibility of Neem Oil and Different Entomopathogens for the Management of Major Vegetable Sucking Pests

Cited by 47 publications

References 9 publications

Compatibility of Isaria fumosorosea (Hypocreales: Cordycipitaceae) Blastospores with Agricultural Chemicals Used for Management of the Asian Citrus Psyllid, Diaphorina citri (Hemiptera: Liviidae)

Compatibility of Isaria fumosorosea (Hypocreales: Cordycipitaceae) Blastospores with Agricultural Chemicals Used for Management of the Asian Citrus Psyllid, Diaphorina citri (Hemiptera: Liviidae)

Use of neem (Azadirachta indica A. Juss) as a biopesticide in agriculture: A review

Distribution, Host Range and Bionomics of Rhopalosiphum nymphaeae (Linnaeus, 1761) a Polyphagous Aphid in Aquatic Vegetables

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