World's Best Scientists 2026 revealed!
José Roberto Postali Parra

José Roberto Postali Parra

D-Index & Metrics

Plant Science and Agronomy

D-Index
50
Citations
8645
World Ranking
2155
National Ranking
31

José Roberto Postali Parra publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where José Roberto Postali Parra sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 354 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

José Roberto Postali Parra D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where José Roberto Postali Parra sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 50 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Research.com Recognitions

  • 2001 - Fellow, The World Academy of Sciences

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Insect

The scientist’s investigation covers issues in Botany, Parasitoid, Horticulture, PEST analysis and Parasitism. His Parasitoid study results in a more complete grasp of Biological pest control. His Horticulture study combines topics from a wide range of disciplines, such as Hemiptera and Diaphorina citri.

The study incorporates disciplines such as Instar, Agronomy, Fecundity, Lepidoptera genitalia and Toxicology in addition to PEST analysis. José Roberto Postali Parra combines subjects such as Hymenoptera and Integrated pest management with his study of Lepidoptera genitalia. His biological study spans a wide range of topics, including Gelechiidae and Tuta absoluta.

His most cited work include:

  • Controle biológico no Brasil: parasitóides e predadores (244 citations)
  • Trichogramma in Brazil: feasibility of use after twenty years of research (147 citations)
  • Do new Access and Benefit Sharing procedures under the Convention on Biological Diversity threaten the future of biological control (144 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Botany, Horticulture, Lepidoptera genitalia, Larva and Parasitoid. His Botany research incorporates elements of Fecundity and Animal science. His Horticulture research includes themes of Longevity, Hemiptera, Diaphorina citri and Parasitism.

His work carried out in the field of Parasitism brings together such families of science as Veterinary medicine, Trichogramma and Sex ratio. His Parasitoid research is mostly focused on the topic Trichogrammatidae. His PEST analysis research is multidisciplinary, incorporating perspectives in Agronomy and Integrated pest management.

He most often published in these fields:

  • Botany (38.85%)
  • Horticulture (36.49%)
  • Lepidoptera genitalia (16.55%)

What were the highlights of his more recent work (between 2013-2021)?

  • Biological pest control (13.18%)
  • Botany (38.85%)
  • Horticulture (36.49%)

In recent papers he was focusing on the following fields of study:

Biological pest control, Botany, Horticulture, Parasitoid and Diaphorina citri are his primary areas of study. José Roberto Postali Parra has included themes like Veterinary medicine, Agroforestry, Toxicology and Parasitism in his Biological pest control study. His Botany research includes elements of Fecundity and Animal science.

His research integrates issues of Hemiptera and Pupa in his study of Horticulture. José Roberto Postali Parra is interested in Trichogrammatidae, which is a field of Parasitoid. His Trichogrammatidae study combines topics in areas such as Animal ecology and Trichogramma.

Between 2013 and 2021, his most popular works were:

  • Biological Control in Brazil: an overview (65 citations)
  • Biology of the Huanglongbing Vector Diaphorina citri (Hemiptera: Liviidae) on Different Host Plants (42 citations)
  • Tamarixia radiata (Hymenoptera: Eulophidae) × Diaphorina citri (Hemiptera: Liviidae): Mass Rearing and Potential Use of the Parasitoid in Brazil (31 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Insect

José Roberto Postali Parra focuses on Diaphorina citri, Botany, Tamarixia radiata, Hemiptera and Horticulture. His Diaphorina citri research is multidisciplinary, incorporating elements of Abamectin and Propargite. His Botany study integrates concerns from other disciplines, such as Bacterial disease and Crop.

His studies in Horticulture integrate themes in fields like Field conditions and Sex Attractants, Sex pheromone. The concepts of his Parasitoid study are interwoven with issues in Fecundity and Agroforestry. In his work, PEST analysis is strongly intertwined with Toxicology, which is a subfield of Infestation.

Best Publications

  • Trichogramma in Brazil: feasibility of use after twenty years of research

    José R.P. Parra;Roberto A. Zucchi

  • Egg parasitoids in agroecosystems with emphasis on Trichogramma

    Fernando L. Cônsoli;José Roberto P. Parra;Roberto Antônio Zucchi

  • Biology of Diaphorina citri (Hem., Psyllidae) on different hosts and at different temperatures

    D. E. Nava;M. L. G. Torres;M. D. l. Rodrigues;José Mauricio Simões Bento

  • Biological Control in Brazil: an overview

    José Roberto Postali Parra

  • Lepidopteran larva consumption of soybean foliage: basis for developing multiple-species economic thresholds for pest management decisions.

    Regiane Cristina Oliveira de Freitas Bueno;Adeney de Freitas Bueno;Flávio Moscardi;José Roberto Postali Parra

  • Side-effects of insecticides used in tomato fields on the egg parasitoid Trichogramma pretiosum Riley (Hym., Trichogrammatidae), a natural enemy of Tuta absoluta (Meyrick) (Lep., Gelechiidae)

    F. L. Cônsoli;J. R. P. Parra;S. A. Hassan

  • Selectivity of insecticides to the egg parasitoid Trichogramma galloi Zucchi, 1988, (Hym., Trichogrammatidae)

    F. L. Cônsoli;P. S. M. Botelho;J. R. P. Parra

  • A Kunitz-type inhibitor of coleopteran proteases, isolated from Adenanthera pavonina L. seeds and its effect on Callosobruchus maculatus.

    Maria Lígia Rodrigues Macedo;Claudia Mara de Sá;Maria das Graças Machado Freire;José Roberto Postali Parra

  • Effects of pesticides used in soybean crops to the egg parasitoid Trichogramma pretiosum

    Adeney de Freitas Bueno;Regiane Cristina Oliveira de Freitas Bueno;José Roberto Postali Parra;Simone Silva Vieira

  • Ultrastructure of the natural and factitious host eggs of Trichogramma galloi Zucchi and Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae)

    F.L Cônsoli;E.W Kitajima;J.R.P Parra

  • Desenvolvimento e exigências térmicas de Trichogramma pretiosum Riley, criados em duas traças do tomateiro

    Dirceu Pratissoli;José Roberto Postali Parra

  • Adaptation of tobacco budworm Heliothis virescens to proteinase inhibitors may be mediated by the synthesis of new proteinases.

    Loislene O Brito;Adriana R Lopes;José Roberto P Parra;Walter R Terra

  • Applied Biological Control in Brazil: From Laboratory Assays to Field Application.

    José Roberto Postali Parra;Aloisio Coelho

  • Effects of soybean proteinase inhibitor on development, survival and reproductive potential of the sugarcane borer, Diatraea saccharalis

    P. Pompermayer;A.R. Lopes;W.R. Terra;J.R.P. Parra

  • Changes in midgut endopeptidase activity of Spodoptera frugiperda (Lepidoptera: Noctuidae) are responsible for adaptation to soybean proteinase inhibitors

    Luis Cesar M. S. Paulillo;Adriana R. Lopes;Plínio T. Cristofoletti;José Roberto P. Parra

  • Insect Rearing Techniques for Biological Control Programs, a Component of Sustainable Agriculture in Brazil

    Unknown

  • Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae) and its relationship with the citrus canker bacterium Xanthomonas axonopodis pv citri in Brazil

    Marcone C.M. Chagas;José R.P. Parra;Takao Namekata;John S. Hartung

  • Biology of the Huanglongbing Vector Diaphorina citri (Hemiptera: Liviidae) on Different Host Plants

    G. R. Alves;A.J.F. Diniz;J.R.P. Parra

  • Mass Rearing of Egg Parasitoids for Biological Control Programs

    Unknown

  • Adenanthera pavonina trypsin inhibitor retard growth of Anagasta kuehniella (Lepidoptera: Pyralidae)

    Maria Lígia Rodrigues Macedo;Roberta Aparecida Durigan;Desiree Soares da Silva;Sérgio Marangoni

  • Insensitive trypsins are differentially transcribed during Spodoptera frugiperda adaptation against plant protease inhibitors.

    Caio Fernando Ramalho de Oliveira;Thaís de Paula Souza;José Roberto Postali Parra;Sergio Marangoni

  • Fertility life table of Trichogramma pretiosum (Hym., Trichogrammatidae) in eggs of Tuta absoluta and Phthorimaea operculella (Lep., Gelechiidae) at different temperatures.

    D. Pratissoli;J. R. P. Parra

  • Trichogramma pretiosum parasitism and dispersal capacity: a basis for developing biological control programs for soybean caterpillars.

    R.C.O. de Freitas Bueno;J.R.P. Parra;A. de Freitas Bueno

  • Biological characteristics and thermal requirements of a Brazilian strain of the parasitoid Trichogramma pretiosum reared on eggs of Pseudoplusia includens and Anticarsia gemmatalis

    Regiane Cristina Oliveira de Freitas Bueno;José Roberto Postali Parra;Adeney de Freitas Bueno

  • Effect of citrus leaf-miner damage, mechanical damage and inoculum concentration on severity of symptoms of Asiatic citrus canker in Tahiti lime

    R.S.C. Christiano;M. Dalla Pria;W.C. Jesus Junior;J.R.P. Parra

  • Biology and fertility life table of Mahanarva fimbriolata (Stål) (Hemiptera: Cercopidae) in sugarcane

    José Francisco Garcia;Paulo Sérgio Machado Botelho;José Roberto Postali Parra

  • Weevils Injurious for Roots of Citrus in São Paulo State, Brazil

    Analía A. Lanteri;Jerson C. Guedes;José R.P. Parra

Frequent Co-Authors

João Roberto Spotti Lopes
João Roberto Spotti Lopes Universidade de São Paulo
Walter S. Leal
Walter S. Leal University of California, Davis
Sergio Marangoni
Sergio Marangoni State University of Campinas
Walter R. Terra
Walter R. Terra Universidade de São Paulo
Matthew J.W. Cock
Matthew J.W. Cock CAB International
Jacques Brodeur
Jacques Brodeur University of Montreal
Fátima Carneiro
Fátima Carneiro University of Porto
Elliot W. Kitajima
Elliot W. Kitajima Universidade de São Paulo
José Djair Vendramim
José Djair Vendramim Universidade de São Paulo
Lilian Amorim
Lilian Amorim Universidade de São Paulo

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