Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants

Severe infestation of green shield scale Chloropulvinaria psidii (Green) was observed during 2003-04 on the medicinal plants namely Withania somnifera, Madhuca longifolia, Mimusops elengi and Wrightia tinctoria. The Australian ladybird beetle Cryptolaemus montrouzieri Mulsant was released @ 20 larva...

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Autores principales: M Mani, A Krishnamoorthy
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Publicado: Society for Promotion of Horticulture - Indian Institute of Horticultural Research 2008
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spelling oai:doaj.org-article:96215c685532470190e81224c33059eb2021-12-02T10:28:49ZEvaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants0973-354X2582-4899https://doaj.org/article/96215c685532470190e81224c33059eb2008-12-01T00:00:00Zhttps://jhs.iihr.res.in/index.php/jhs/article/view/586https://doaj.org/toc/0973-354Xhttps://doaj.org/toc/2582-4899Severe infestation of green shield scale Chloropulvinaria psidii (Green) was observed during 2003-04 on the medicinal plants namely Withania somnifera, Madhuca longifolia, Mimusops elengi and Wrightia tinctoria. The Australian ladybird beetle Cryptolaemus montrouzieri Mulsant was released @ 20 larvae/plant. Following the release of C. montrouzieri , the scale population declined from 173.48 to 4.35/plant on W. somnifera, 30.49 to 1.20/plant on M. longifolia, 90.20 to 3.57/plant on M. elengi and 240.86 to 4.92/plant on W. tinctoria. There was 89.13 to 97.96% reduction in scale population 45-75 days after release of C. montrouzieri on the above medicinal plants. No other natural enemy, except C. montrouzieri, was recorded on C. psidii. There was no correlation between temperature, relative humidity or rainfall and scale population. Hence, the reduction in population of green shield scale was attributed mainly to the action of C. montrouzieri.M ManiA KrishnamoorthySociety for Promotion of Horticulture - Indian Institute of Horticultural Researcharticlechloropulvinaria psidiicryptolaemus montrouzieriwithania somniferamadhuca longifoliamimusops elengiwrightia tinctoria.Plant cultureSB1-1110ENJournal of Horticultural Sciences, Vol 3, Iss 2, Pp 176-179 (2008)
institution DOAJ
collection DOAJ
language EN
topic chloropulvinaria psidii
cryptolaemus montrouzieri
withania somnifera
madhuca longifolia
mimusops elengi
wrightia tinctoria.
Plant culture
SB1-1110
spellingShingle chloropulvinaria psidii
cryptolaemus montrouzieri
withania somnifera
madhuca longifolia
mimusops elengi
wrightia tinctoria.
Plant culture
SB1-1110
M Mani
A Krishnamoorthy
Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
description Severe infestation of green shield scale Chloropulvinaria psidii (Green) was observed during 2003-04 on the medicinal plants namely Withania somnifera, Madhuca longifolia, Mimusops elengi and Wrightia tinctoria. The Australian ladybird beetle Cryptolaemus montrouzieri Mulsant was released @ 20 larvae/plant. Following the release of C. montrouzieri , the scale population declined from 173.48 to 4.35/plant on W. somnifera, 30.49 to 1.20/plant on M. longifolia, 90.20 to 3.57/plant on M. elengi and 240.86 to 4.92/plant on W. tinctoria. There was 89.13 to 97.96% reduction in scale population 45-75 days after release of C. montrouzieri on the above medicinal plants. No other natural enemy, except C. montrouzieri, was recorded on C. psidii. There was no correlation between temperature, relative humidity or rainfall and scale population. Hence, the reduction in population of green shield scale was attributed mainly to the action of C. montrouzieri.
format article
author M Mani
A Krishnamoorthy
author_facet M Mani
A Krishnamoorthy
author_sort M Mani
title Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
title_short Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
title_full Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
title_fullStr Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
title_full_unstemmed Evaluation of Australian Ladybird Beetle Cryptolaemus montrouzieri Mulsant against Green Shield Scale Chloropulvinaria psidii (Maskell) on some Medicinal Plants
title_sort evaluation of australian ladybird beetle cryptolaemus montrouzieri mulsant against green shield scale chloropulvinaria psidii (maskell) on some medicinal plants
publisher Society for Promotion of Horticulture - Indian Institute of Horticultural Research
publishDate 2008
url https://doaj.org/article/96215c685532470190e81224c33059eb
work_keys_str_mv AT mmani evaluationofaustralianladybirdbeetlecryptolaemusmontrouzierimulsantagainstgreenshieldscalechloropulvinariapsidiimaskellonsomemedicinalplants
AT akrishnamoorthy evaluationofaustralianladybirdbeetlecryptolaemusmontrouzierimulsantagainstgreenshieldscalechloropulvinariapsidiimaskellonsomemedicinalplants
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