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A Technical Manual for Parasitic Weed Research and Extension - Jurgen Kroschel

A Technical Manual for Parasitic Weed Research and Extension

By: Jurgen Kroschel (Editor)

Hardcover Published: July 2001
ISBN: 9780792368809
Number Of Pages: 276

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Parasitic weeds of the families Cuscutaceae, Orobanchaceae and Scrophulariaceae are considered to be among the major problems facing agriculture in the Tropics and Subtropics. In the last decades, enormous efforts have been made and success achieved by scientists all over the world in gaining a better understanding of their biology and ecology as well as of control methods. However, no substantial reduction of infestation has been achieved in the past and control strategies specific to the different parasites, crops and farming systems must be further developed or adapted and realised among a wider farming population with suitable extension methods. This Technical Manual' provides up-to-date methodologies for various aspects of research and extension related to parasitic weed species of the genera Striga, Alectra, Orobanche and Cuscuta. It has the intention to support scientists and extension workers of international and national research and extension institutes and universities, who are either new to the subject or plan to apply further techniques they are not yet familiar with.

List of Contributors
Introductionp. 1
Parasitic weed species and their hostsp. 1
Geographical distributionp. 1
The life cycle of parasitic weedsp. 3
Major books, symposium and workshop proceedings, field guides and manualsp. 5
Ecological studiesp. 7
Preparation of herbarium samplesp. 7
Morphological studiesp. 8
Population-genetic studiesp. 10
Ecological field assessmentsp. 17
Relevance to agriculturep. 23
Quantification of infestation and yield lossp. 23
Analysis of farming systemsp. 29
Seed features, germination and seed bankp. 31
Reproductive capacityp. 31
Seed collectionp. 33
Testing seed viabilityp. 35
Assessment of germinationp. 36
Extraction from soilp. 42
Detection from crop seedp. 50
Seed bags in soilp. 51
Investigations on developmental stagesp. 53
Laboratory experimentsp. 53
Pot experimentsp. 63
Field experimentsp. 66
Application of control methodsp. 77
Preventivep. 77
Culturalp. 81
Host plant resistance and tolerancep. 91
Chemicalp. 114
Physicalp. 123
Biologicalp. 131
Toxinsp. 151
Integratedp. 155
Putting it into practisep. 159
Training of researchers, extension staff and farmersp. 159
Extension aidsp. 169
On-farm experimentationp. 182
Glossaryp. 189
List of crop scientific namesp. 203
Literaturep. 205
Annexp. 227
Key to the main Striga spp. (according to Parker and Riches 1993)p. 227
Key to the main Alectra spp. (according to Parker and Riches 1993)p. 228
Key to the main Orobanche spp. (according to Parker and Riches 1993)p. 228
Key to the main Cuscuta spp. (according to Parker and Riches 1993)p. 229
The life-cycles of Striga, Orobanche and Cuscutap. 233
List of trap crops for Orobanche spp. and Striga sppp. 235
From for a site descriptionp. 237
Data sheet for the quantification of Striga infestation and yield loss assessmentsp. 239
Example of a questionnaire for the analysis of farming systemsp. 240
Programme of a three days training workshopp. 246
Example for a benchmark testp. 248
Example for a questionnaire used for the evaluation of a training coursep. 251
Striga, and enemy to all farmers - a radio playp. 253
Color Platesp. 257
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792368809
ISBN-10: 0792368800
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 276
Published: July 2001
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 29.21 x 20.96  x 1.91
Weight (kg): 1.09