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Ramakers, P.M.J. 1983, Aschersonia aleyrodis, a selective biological insecticide. Bulletin. Section Regionale Ouest Palaearctique, Organisation Internationale de Lutte Biologique.
6(3):167-171
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Ramakers, P.M.J. 1985, Biological pest control methods on glasshouse vegetables in the Netherlands: research and application. Proceedings of the international conference on integrated plant protection. Volume 3. Integrated plant protection of vegetables, ornamental and medicinal plants.
:8-10
(Eds: Darvas, B.; Szentesi, A.; Viranyi, F.)
Hungarian Society of Agricultural Sciences, Budapest, Hungary (ISBN 963-8131-454489)
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Keywords: Biological control; Greenhouse; Integrated pest management
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Ramakers, P.M.J.; Lieburg, M.J. van 1982, Start of commercial production and introduction of Amblyseius mckenziei Sch. & Pr. (Acarina: Phytoseiidae) for the control of Thrips tabaci Lind. (Thysanoptera: Thripidae) in glasshouses. Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent
42(2):541-545
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Ramakers, P.M.J.; Samson, R.A. 1984 (29 Feb 1984), Ascheronia aleyrodis a fungal pathogen of whitefly. II. Application as a biological insecticide in glasshouses. Zeitschrift für Angewandte Entomologie
97(1):1-8
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Keywords: Biological control; Greenhouse; Pathogens
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Ramakrishna Aiyar, T.V. 1925, A check-list of Indo-Ceylonese chalcid flies. Spolia Zeylanica
13:235-254
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Ramakrishna Ayyar, T.V. 1920, Some insects recently noted as injurious in south India. Report of Proceedings of the Third Entomological Meetings at Pusa, 1919
1:314-328
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Ramakrishna Ayyar, T.V. 1920, On the insect parasites of some Indian crop pests. Report of Proceedings of the Third Entomological Meetings at Pusa, 1919
3:931-936
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Ramakrishna Ayyar, T.V. 1921, A list of parasitic Hymenoptera of economic importance from South India. Report of the Proceedings of the Fourth Entomological Meeting, Pusa, February 1919
:29-40, 363-366
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Ramakrishna Ayyar, T.V. 1921 (30 Dec 1921), An undescribed natural enemy of the castor semi-looper (Achaea (Ophiusa) melicerta Hmp.). Journal of the Bombay Natural History Society
28(1):298-300
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Ramakrishna Ayyar, T.V. 1924, Short notes on some south Indian insects. Rep. 5th Ent. Meeting Pusa, 1923
:263-269
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