I= ECO-PHYSIOLOGICAL STUDIES ON SOME IMPORTANT WEEDS OF WHEAT
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Title of Thesis
ECO-PHYSIOLOGICAL STUDIES ON SOME IMPORTANT WEEDS OF WHEAT

Author(s)
Bashir Ahmad
Institute/University/Department Details
Department of Botany/ University of the Punjab
Session
1988
Subject
Botany
Number of Pages
396
Keywords (Extracted from title, table of contents and abstract of thesis)
wheat, eco-physiological studies, weeds, weed control, germination, thermoperiods

Abstract
No Abstract

Download Full Thesis
68706.84 KB
S. No. Chapter Title of the Chapters Page Size (KB)
1 0 Contents
1079.61 KB
2 1 Introduction 1
1430.67 KB
3 2 Review of literature 10
5604.23 KB
  2.1 Life cycles and reproductive potential 10
  2.2 Weed crops competition 25
  2.3 Weed control with herbicides 33
4 3 Materials and methods 40
951.63 KB
  3.1 Collection of material 40
  3.2 Filed survey 40
  3.3 Soil analysis 42
  3.4 Land preparation 44
  34 NPK estimations 45
  3.5 Statistical analysis 45
5 4 Filed studies 46
3667.72 KB
  4.1 Selection of sties and collection of data on 46
  4.2 Results 50
6 5 Soil and climatic conditions 68
2132.6 KB
  5.1 Methods 68
  5.2 Results 70
7 6 Life cycles and reproductive potential 81
2444.05 KB
  6.1 Filed work 811
  6.2 Results 83
8 7 Germination studies 95
10520.83 KB
  7.1 Experiment-I: Effects of various constant temperatures on germination in light and in the dark 98
  7.2 Experimental-II: Effect of various alternating temperatures (thermoperiods) on germination 107
  7.3 Experiment €“III: Effect of various alternating temperatures (thermoperiods) on germination 107
  7.4 Experiment-IV Effect of dry storage of seeds on germination and seedling growth (longevity of weed seeds ) 19
  7.5 Experiment-V Effect of different depths of seed burial on germination on under field conditions 130
  7.6 138
  7.7 Experiment-VII Effects of soil salinity on germination and seedling growth 152
9 8 Weed-wheat competition 165
4973.61 KB
  8.1 Experiment-VIII Effects of different densities of various weeds on growth and yield of wheat 166
  8.2 Methods 166
  8.3 Results 170
10 9 Weed-wheat nutrient relations 193
5725.63 KB
  9.1 Experiment-IX Effect of different densities of various weeds on nutrient uptake by wheat and weeds 194
  9.2 Material and methods 194
  9.3 Results 195
11 10 Herbicidal control of weeds 228
4883.74 KB
  10.1 Experiment-X: Effects of dicuran MA and arelon on control of weeds, growth and yield of wheat 231
  10.2 Materials and Method 231
  10.3 Results 237
12 11 General Discussion and conclusion 256
25236.86 KB
  11.1 Summary 317
  11.2 Literature cited 327
  11.3 Appendices 363
  11.4 Plates 382