a guide to the recognition and understanding of ramularia and other ...

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52 FUNGAL DISEASES CAUSING SYMPTOMS SIMILAR TO RAMULARIA LEAF SPOTS Pyrenophora leaf stripe (Pyrenophora graminea) Pyrenophora leaf stripe is a seed-borne disease which produces longitudinal yellow and brown stripes on a leaf. Since the disease is seed borne, the stripes will originate from the base of the leaf. These symptoms are more likely to be mistaken for physiological leaf spots which can occur in stripes on some varieties. Pyrenophora leaf stripe on barley
FUNGAL DISEASES CAUSING SYMPTOMS SIMILAR TO RAMULARIA LEAF SPOTS 53 Halo spot (Selenophoma donacis) Halo spot is a leaf spotting disease of barley which produces small irregular pale lesions on a leaf with a defined dark brown margin. This disease is generally uncommon but can develop on the upper leaves in a wet season when it can be confused with ramularia leaf spot or rhynchosporium secalis Halo spot caused by Selenophoma donacis on barley
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A GUIDE TO THE RECOGNITION AND UNDE
Page 4 and 5: 2 Contents RAMULARIA Distribution C
Page 6 and 7: 4 RAMULARIA LEAF SPOT DISTRIBUTION
Page 8 and 9: 6 RAMULARIA LEAF SPOT DISTRIBUTION
Page 10 and 11: 8 Early stages SYMPTOMS What are th
Page 12 and 13: 10 SYMPTOMS Pepper spot symptom of
Page 14 and 15: 12 Later stage SYMPTOMS The rectang
Page 16 and 17: 14 SYMPTOMS Extensive ramularia lea
Page 18 and 19: 16 SYMPTOMS Ramularia leaf spot sym
Page 20 and 21: 18 SYMPTOMS Ramularia leaf spot sym
Page 22 and 23: 20 SYMPTOM APPEARANCE When do sympt
Page 24 and 25: 22 LIFECYCLE Disease lifecycle The
Page 26 and 27: 24 LIFECYCLE Spore dispersal Leaf w
Page 28 and 29: 26 LIFECYCLE Infection of barley by
Page 30 and 31: 28 LIFECYCLE Ramularia collo cygni
Page 32 and 33: 30 Ramularia Ramularia concentratio
Page 34 and 35: 32 CONTROL MEASURES Foliar fungicid
Page 36 and 37: 34 Fungicide choice CONTROL MEASURE
Page 38 and 39: 36 Physiological leaf spots Physiol
Page 40 and 41: 38 PHYSIOLOGICAL LEAF SPOTS Advance
Page 42 and 43: 40 PHYSIOLOGICAL LEAF SPOTS Physiol
Page 48 and 49: 46 Control of physiological leaf sp
Page 50 and 51: 48 PHYSIOLOGICAL LEAF SPOTS Magnesi
Page 52 and 53: 50 FUNGAL DISEASES CAUSING SYMPTOMS
Page 56 and 57: 54 Septoria nodorum FUNGAL DISEASES
Page 58 and 59: 56 REFERENCES AND FURTHER READING R
Page 60 and 61: 58 ACKNOWLEDGEMENTS Acknowledgement
Page 62: The Chemical Company
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