THE GENUS PYTHIUM - An-Najah National University

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,I.' Copyright © 1986 by The Resarch and Documentation Centre, An': Najah National University, Nablus
PREFACE This monograph is aimed at providing a well illustrated guide to the species of Pythium in the West Bank and Gaza Strip. A key for all the species recovered is given. However, the reader is advised to always check through the description given to the species to make sure that he has made the right identification. This description has been based on several freshly recovered isolates that came from different habitats in order to account for inter and intraspecific variations. A guide to the isolation methods is also provided. Also, information on the distribution and host range of the different species is given. I believe that we still have a lot to learn about this important group of fungi especially with respect to their physiology, genetics, and taxonomy. However, this book has covered fundamental topics on the genus Pythium and that it would be particularly useful to students of mycology, botany, plant pathology, ecology, and biology ACKNOWLEDGNENTS I would like to exprees my gratitude to a number of people who directly or indirectly helped in the preparation of this monograph. I am in the first place indebted to the Dea n of the Research and Documentation Centre for allowing the publication of this book. I also wish to express special thanks to my research students, laboratory technicians, and research assistants at the Department of Biological Sciences, and friends who have offered help and encouragement when I most needed it. Lastly but no means least I acknowledge the financial support donated generously by the Department of Biological Sciences throughout this work.
Page 1: THE GENUS PYTHIUM In the West Bank
Page 5 and 6: SUMMARY A key to the 48 taxa of Pyt
Page 7 and 8: Pythium species such as P. periploc
Page 9 and 10: II. MATERIALS AND METHODS A. Isolat
Page 11 and 12: Microscopic examination: Microscopi
Page 13 and 14: Growth rate and temperature limits
Page 15 and 16: 9(4) 10(9) 11(10) 12(11) 13(12) 14(
Page 17 and 18: 29(28) 30(29) 31(30) 32(31) 33(28)
Page 19 and 20: 46(45) 47(1) 48(47) 49(48) 50(48) 5
Page 21 and 22: Figs. 2-7 Pythium acanthicum. (2,3)
Page 23 and 24: Figs. 8-11. Pythium anandrumn. Spor
Page 25 and 26: Figs. 16-19. Pythiurn anandrurn. Oo
Page 27 and 28: Figs. 20-23. Pythium aphanidermatum
Page 29 and 30: Figs. 24-29. (24-26) Pvthium c%rotu
Page 31 and 32: Figs. 30-35. (30-33) Pythium debary
Page 33 and 34: Figs. 36-41. Pythium dissimile. (36
Page 35 and 36: Figs. 42-47. Pythium dissotocum. (4
Page 37 and 38: Figs. 48-54. Pythium echinulatum. (
Page 39 and 40: Figs. 55-59. Pvthium graminicola. (
Page 41 and 42: MATERIAL EXAMINED: ex Vitia fabae,
Page 43 and 44: PYTHIUM LrTARIL:\l Ali - Shtaveh, B
Page 45 and 46: PYTHIUM MIDDLETON II Sparrow, Aquat
Page 47 and 48: PYTHIUM MONOSPERMUM Pringsh., Jb. w
Page 49 and 50: Figs. 85-90. (85) Pythium nagaii, o
Page 51 and 52: Figs. 91-94. Pythium oligandrum.(91
Page 53 and 54:
Figs. 95-100. Pythium papillaturn.
Page 55 and 56:
PYTHIUM PULCHRUM Minden, Mykol. Unt
Page 57 and 58:
Figs. 101-108. (101-103) Pythium ro
Page 59 and 60:
Figs. 109-114. Pythium salpingophor
Page 61 and 62:
FIgs. 115-120. (115) Pythium sylvat
Page 63 and 64:
Figs. 121-126. Pythium torulosum. (
Page 65 and 66:
MATERIAL EXAMINED: ex Brassica oler
Page 67 and 68:
Figs. 127-131. Pyihium vanterpoolii
Page 69 and 70:
Figs. 132-136. Pythium vexans. (132
Page 71 and 72:
V.HOST LIST A list of the vascular
Page 73 and 74:
VI REFERENCES Agrios, G.N. 1978. Pl
Page 75 and 76:
Garrett, 195 I. Ecological groups o
Page 77 and 78:
Reichert, I. 1939. Palestine: Disea
Page 79 and 80:
VII. INDEX OF FUNGAL NAMES Fusarium
Page 81:
~I ~) ~IJ ~~I Pythium JI t'.~~~ 61:
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THE GENUS PYTHIUM - An-Najah National University

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