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Atlas of Weed Mapping

  • ID: 3335940
  • Book
  • 488 Pages
  • John Wiley and Sons Ltd
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Weeds are variously defined as plants growing where they are not wanted, plants that interfere with human activity. Weeds affect everyone in the world by reducing crop yield and quality, delaying or interfering with harvesting, interfering with animal feeding, reducing animal health, preventing water flow, as plant parasites, etc. It is estimated that those problems cause $ billions worth of crop losses annually and the global cost of controlling weeds also runs into many $ billions every year.Atlas of Weed Mapping presents an introductory overview on the occurrence of the most common weeds of the world.  The book notably includes:

– Description of cropping practices and explanations for the global distribution of weeds
– Invasive plant mapping
– Aquatics and wetland plants with histological plant details
– Theoretical and practical aspects of weed mapping
– Aspects on the documentation of herbicide resistance
– Biodiversity, rare weeds and the dominance of the most common weeds

Fully illustrated with more than 800 coloured figures and a number of tables, this new characterisation of anthropogenic vegetation will be interesting for readers of a great number of disciplines such as agriculture, botany, ecology, geobotany and plant community research. More than a hundred experts have contributed data to this unique compilation.

About the author

Hansjoerg Kraehmer, now retired, was President of the European Weed Research Society between 2010 and 2012. He was also Head of Herbicide Profiling and Support, at Bayer Crop Science in Frankfurt, Germany.

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Contributors, vii

Acknowledgements, ix

Introduction 1

Part I: Continental views of weed infestation maps
Hansjörg Krähmer

1 Europe 7Hansjörg Krähmer

2 Asia 23Hansjörg Krähmer

3 North America 47Hansjörg Krähmer

4 South America 56Hansjörg Krähmer

5 Africa 71Hansjörg Krähmer

6 Australia 81Hansjörg Krähmer

Part II: Special crop view and mapping of cotton weeds

7 Cotton cultivation 87Garifalia Economou, Ahmet Uludag and Hansjörg Krähmer

8 Global cotton weed distribution 90Garifalia Economou, Ahmet Uludag and Hansjörg Krähmer

9 Farming practices and weed infestation 101Garifalia Economou, Ahmet Uludag and Hansjörg Krähmer

10 Summary of global cotton weed distribution 102Garifalia Economou, Ahmet Uludag and Hansjörg Krähmer

Part III: Invasive weed species

11 Overview of selected problems 105Hansjörg Krähmer

Part IV: Global zones with similar weed infestation

12 Introduction to global zones with similar weed infestation 115Hansjörg Krähmer

13 Cereal weed belts 117Hansjörg Krähmer

14 Maize weed belts and areas of similar weed infestation 120Hansjörg Krähmer

15 Soybean weed zones and areas 123Hansjörg Krähmer

16 Rice weed belts 124Hansjörg Krähmer

Part V: General observations on all infested sites

17 Ranks and number of weed species in a defined crop 129Hansjörg Krähmer

18 Specialization of weeds and biodiversity 130Hansjörg Krähmer

Part VI: Answers to key questions: What makes which weed grow where and when?
19 Weeds as crop companions 135Hansjörg Krähmer

20 Can we associate weeds with specific environmental conditions? 139Hansjörg Krähmer

21 What makes weeds grow in monocultures, what makes them compete with the crop and with other weeds? 161Hansjörg Krähmer

Part VII: Aesthetics, rare weeds and production objectives in agriculture

22 Rare weeds in arable crops and aesthetics: harmony or hunger? 169Hansjörg Krähmer

Part VIII: Weeds in meadows, pastures and rangeland

23 Overview of grassland 177Hansjörg Krähmer

Part IX: Aquatic and wetland weeds

24 Introduction 185Hansjörg Krähmer

25 Morphological adaptation to water 192Hansjörg Krähmer

26 Aerenchyma within the stem 194Hansjörg Krähmer

27 Stem and vascular bundle modifications 215Hansjörg Krähmer

28 The root 277Hansjörg Krähmer

29 The leaf 311Hansjörg Krähmer

30 Vegetative propagation 371Hansjörg Krähmer

31 Aesthetics, species attractiveness and rare aquatic species 377Hansjörg Krähmer

32 Growing conditions of aquatic plants 382Hansjörg Krähmer

33 Dominance and noxious effects of selected aquatic and wetland species 384Hansjörg Krähmer

34 Adaptation of terrestrial weeds to water stress: Waterlogging and temporary hypoxia 391Hansjörg Krähmer

35 Weeds in rice 396Hansjörg Krähmer

Part X: Which ecological rules described in textbooks will help us to understand the unevenness of weed species distribution? 36 Asymmetric competition within arable crops 401Hansjörg Krähmer

37 Comparison of closely related species and their ability to grow as weeds in crops 404Hansjörg Krähmer

Part XI: Factors contributing to the temporal and spatial distribution of weed resistance: a map–based analysis

38 How has Alopecurus myosuroides resistance changed over the years? 409Martin Hess, Johannes Herrmann, Hansjörg Krähmer and Roland Beffa

39 Weeds to watch 420Hansjörg Krähmer

Part XII: Conflict between the dominance of some weeds and the intention to preserve rare species

40 Can we shape nature into what we want it to be? 425Hansjörg Krähmer

Part XIII: Weed data collection, analysis and presentation of results

41 Introduction to weed mapping methodology 429Michaela Kolářová and Pavel Hamouz

42 Data collection 430Michaela Kolářová and Pavel Hamouz

43 Approaches to the analysis of weed distribution 440Michaela Kolářová and Pavel Hamouz

44 Presentation of weed mapping results 456Michaela Kolářová and Pavel Hamouz

Appendix 462

Index 467

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Hansjoerg Kraehmer
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