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, India , pp. 30 – 50 . Rajak , R. L. , Diwaker , M. C. and Mishra , M. P. ( 1997 ): National IPM programme in India . Pestic. Inf. 23 , 23 – 26 . Surulivelu , T. , Sumathi , E. , Matharajan , V. G. and Rajendran , T. P. ( 2004

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Jenser, G., Balazs, K., Erdelyi, C., Haltrich, A., Kadar, F., Kozar, F., Marko, V., Racz, V. and Samu, F. (1999): Changes in arthropod population composition in IPM apple orchards under continental climatic conditions in Hungary. Agric. Ecos. Environ. 73

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The effectiveness of dimethyl disulfide (DMDS) to control root-knot nematodes (Meloidogyne spp.) and weeds was tested for the first time in Hungary in two consecutive protected cucumber crops with application made only before the first crop. The treatments were Accolade EC (DMDS 94.1%) at 400 l/ha applied by driplines, Nemathorin 10 G (fosthiazate) at 30 kg/ha, and an untreated control. During the first cucumber cycle vigour-index, yield, root-gall index, Meloidogyne juveniles in the soil and germination of weeds were evaluated. All considered parameters were significantly improved by using DMDS compared respectively to the chemical standard and untreated control: (i) vigour-index of 7.0, 4.3 and 3.6; (ii) cumulative yield/sample of 45.1 kg, 30.9 kg, and 16.6 kg; root-gall index (RGI) of 1.2, 4.9, and 5.9; (iii) M. incognita J2/25 g soil of 0.25, 48.5 and 78.0, and (iv) number of weed seedlings/sample in the 20–30 cm soil profile of 1.1, 2.6, and 4.2. During the second cucumber crop, only root-gall index was evaluated. Results showed that a single DMDS treatment applied before the first crop had a prolonged beneficial effect on the following crop. In the second crop cycle, root gall indices were 5.58, 9.18, and 8.44 for DMDS treated plots, chemical control and untreated control, respectively.

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Romeis, J., Shelton, A. and Kennedy, G. G. (eds) (2008): Integration of Insect-Resistant Genetically Modified Crops within IPM Programs. Springer, Dordrecht, The Netherlands. Integration of Insect

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Dr. Barnabás Nagy

(1921–2020), a naturalist, orthopterologist, agrozoologist and forward-looking ecologist covered a rich scientific career. In commemoration of his significant contribution to entomology, we attempt to shed some light on a selection of his achievements. While devoted to his chosen insect order, Orthoptera, he was sensitive also to problems coming from everyday’s practice in controlling pests in agriculture. Consequently, he dealt with various pest species, belonging to a variety of insect taxa (Coleoptera, Lepidoptera, Hymenoptera). He always put the actual problem in ecological context. This may have helped him to recognize the need for an ecological approach in plant protection and to develop the pioneering concept of biological / ecological pest management, published in Hungarian, as early as in 1957. When arguing for his concept, he criticized the surplus usages of toxic pesticides and provided guidelines for facilitating the beneficial activity of the natural enemies of pests. This way he prepared the way for integrated pest management (IPM), preceding the international mainstream of his age. He held an active part in the International Organization for Biological Control (IOBC), as a founder of the International Working Group of Ostrinia (IWGO), and was the Head of the Department of Zoology of the Plant Protection Institute, Budapest, Hungary. He held several positions in the Hungarian Entomological Society (President, vice-President, Secretary, committee member), to that society he was engaged for 80 years. Here we cite only some of his most important, original entomological papers. He regularly published also in journals for popular science and gave lectures for the young generations of entomologists.

Curriculum vitae in a nutshell

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Jenser, G., Balázs, K., Erdélyi, Cs., Haltrich, A., Kozár, F., Markó, V., Rácz, V. and Samu, F. (1999): Changes in arthropod population composition in IPM apple orchards under continental climatic conditions in Hungary. Agr. Ecosys. Environ. 73, 141

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Stored-product IPM . Kluwer Academic Publishers. Dordreech, The Netherlands. pp. 193 – 227 . Nakato , G.V. 2010 . Effects of diatomaceous earth on cowpea field

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. (2016): Relative fitness of Helicoverpa armigera (Lepidoptera: Noctuidae) on seven host plants: A perspective for IPM in Brazil J. Insect Sci. 16, 1–5. 10.1093/jisesa/iev158

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.C. , Gordon , K. , Lipps , P. , Asea , G. , Bigirwa , G. , Pixley , K. 2003 . Use of IPM in the control of multiple diseases of maize . Afr. Crop Sci. J. 11 : 189 – 198

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. , Beltran , D. , Gallego , J.R. , Fernandez , F.J. and Cabello , T. 2012 . IPM strategies in tomato crops in Spanish greenhouses: Effects of cultivars and the integration of natural enemies . IOBC-WPRS Bull. 80 : 245 – 251

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