World's Best Scientists 2026 revealed!
K. R. Shivanna

K. R. Shivanna

D-Index & Metrics

Plant Science and Agronomy

D-Index
36
Citations
6600
World Ranking
4797
National Ranking
140

K. R. Shivanna 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 K. R. Shivanna 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: 140 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

K. R. Shivanna 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 K. R. Shivanna 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: 36 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Genetics

K. R. Shivanna focuses on Botany, Pollen, Germination, Pollen tube and Pollination. K. R. Shivanna has included themes like Membrane and Human fertilization in his Botany study. His research integrates issues of Forage and Sterility in his study of Pollen.

The subject of his Germination research is within the realm of Horticulture. He studied Pollen tube and Stigma that intersect with Heterostyly, Self-pollination, Primula, Pollen adhesion and Liliaceae. The Pollination study combines topics in areas such as Nectarinia, Sunbird, Biotechnology and Plant breeding.

His most cited work include:

  • The receptive surface of the angiosperm stigma (584 citations)
  • The evaluation of pollen quality, and a further appraisal of the fluorochromatic (FCR) test procedure. (342 citations)
  • The angiosperm pollen: Structure and function (205 citations)

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

His primary areas of investigation include Botany, Pollen, Pollination, Germination and Pollen tube. In his papers, K. R. Shivanna integrates diverse fields, such as Botany and Backcrossing. His research investigates the connection between Pollen and topics such as Stigma that intersect with issues in Heterostyly.

In the subject of general Pollination, his work in Pollinator is often linked to Apis cerana, thereby combining diverse domains of study. His study in Germination is interdisciplinary in nature, drawing from both Gametogenesis, Primula, Biochemistry and Seedling. His Pollen tube research is multidisciplinary, relying on both Sinapis and Crotalaria, Agronomy, Human fertilization.

He most often published in these fields:

  • Botany (74.58%)
  • Pollen (61.02%)
  • Pollination (30.51%)

What were the highlights of his more recent work (between 2013-2020)?

  • Pollination (30.51%)
  • Botany (74.58%)
  • Pollen (61.02%)

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

His primary scientific interests are in Pollination, Botany, Pollen, Ecology and Pollen tube. His Pollination research is multidisciplinary, incorporating elements of Ovule, Syzygium and Habitat. In his works, K. R. Shivanna conducts interdisciplinary research on Botany and General biology.

His specific area of interest is Pollen, where K. R. Shivanna studies Gynoecium. The concepts of his Pollen tube study are interwoven with issues in Vegetative reproduction, Epiphyte, Bumper crop, Germination and Longevity. K. R. Shivanna interconnects Developmental biology and In vitro in the investigation of issues within Germination.

Between 2013 and 2020, his most popular works were:

  • Reproductive Ecology of Flowering Plants: A Manual (24 citations)
  • Pollen-Pistil Interaction (16 citations)
  • Broadening the genetic base of crop brassicas by production of new intergeneric hybrid. (10 citations)

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

  • Botany
  • Ecology
  • Genetics

His scientific interests lie mostly in Ecology, Botany, Pollination, Pollen and Dendrobium. In general Ecology, his work in Sexual reproduction, Plant tolerance to herbivory and Reproductive ecology is often linked to Fresh water and Mechanism linking many areas of study. His studies in Botany integrate themes in fields like Genetic variation and Introgression.

When carried out as part of a general Pollination research project, his work on Pollination syndrome is frequently linked to work in Apis cerana, therefore connecting diverse disciplines of study. His Pollen research incorporates themes from Sperm and Human fertilization.

Best Publications

  • The receptive surface of the angiosperm stigma

    Yolande Heslop-Harrison;K. R. Shivanna

  • The evaluation of pollen quality, and a further appraisal of the fluorochromatic (FCR) test procedure.

    J. Heslop-Harrison;Y. Heslop-Harrison;K. R. Shivanna

  • Pollen Biology: A Laboratory Manual

    K. R. Shivanna;N. S. Rangaswamy

  • The angiosperm pollen: Structure and function

    K. R. Shivanna;B. M. Johri

  • Membrane state and pollen viability

    K. R. Shivanna;J. Heslop-Harrison

  • Pollen Biology and Biotechnology

    K. R. Shivanna

  • Pollen viability and pollen vigor

    K. R. Shivanna;H. F. Linskens;M. Cresti

  • Reproductive biology of Butea monosperma (Fabaceae)

    Rajesh Tandon;K. R. Shivanna;H. Y. Mohan Ram

  • Pollen Biotechnology for Crop Production and Improvement

    K. R. Shivanna;V. K. Sawhney;R. Bruce Knox

  • Effects of High Temperature Stress on Brassica Pollen: Viability, Germination and Ability to Set Fruits and Seeds

    G. U. Rao;Ajay Jain;K. R. Shivanna

  • Pollination and Pollen-pistil Interaction in Oil Palm, Elaeis guineensis

    Rajesh Tandon;T.N. Manohara;B.H.M. Nijalingappa;K.R. Shivanna

  • Heterostyly in Primula. 2. Sites of pollen inhibition, and effects of pistil constituents on compatible and incompatible pollen-tube growth

    K. R. Shivanna;J. Heslop-Harrison;Y. Heslop-Harrison

  • The pollen-stigma interaction: bud pollination in the Cruciferae

    K. R. Shivanna;Y. Heslop-Harrison;J. Heslop-Harrison

  • Heterostyly inPrimula. 1. Fine-structural and cytochemical features of the stigma and style inPrimula vulgaris huds

    Y. Heslop-Harrison;J. Heslop-Harrison;K. R. Shivanna

  • Apomixis and Polyembryony in the Guggul Plant, Commiphora wightii

    Promila Gupta;K.R. Shivanna;H.Y. Mohan Ram

  • Stigma-surface Esterase Activity and Stigma Receptivity in Some Taxa Characterized by Wet Stigmas

    K. R. Shivanna;D. C. Sastri

  • Induction of Gamete Compatibility and Seed Formation in Axenic Cultures of a Diploid Self-incompatible Species of Petunia

    N. S. Rangaswamy;K. R. Shivanna

  • Responses of tobacco pollen to high humidity and heat stress: viability and germinability in vitro and in vivo

    K. R. Shivanna;H. F. Linskens;M. Cresti

  • Pollination biology and breeding system of Acacia senegal

    Rajesh Tandon;K. R. Shivanna;H. Y. Mohan Ram

  • Reproductive Ecology of Flowering Plants: A Manual

    K.R Shivanna;Rajesh Tandon

  • Production and characterization of interspecific hybrids between Brassica maurorum and crop brassicas

    B. Chrungu;N. Verma;A. Mohanty;A. Pradhan

  • Development of two new cytoplasmic male-sterile lines in Brassica juncea through wide hybridization

    M. Malik;P. Vyas;N. S. Rangaswamy;K. R. Shivanna

  • Pollen-pistil interaction in Linum grandiflorum : Scanning electron microscopic observations and proteins of the stigma surface.

    Sunanda Ghosh;K. R. Shivanna

  • Regular ArticlePollination biology and breeding system of Acacia senegal

    Rajesh Tandon;K.R Shivanna;H.Y Mohan Ram

Frequent Co-Authors

J. S. Heslop-Harrison
J. S. Heslop-Harrison University of Leicester
Mauro Cresti
Mauro Cresti University of Siena
Shyam Prakash
Shyam Prakash Indian Agricultural Research Institute
Satya Prakash
Satya Prakash McGill University
Jean-Michel Mérillon
Jean-Michel Mérillon University of Bordeaux

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