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  • 1
    Electronic Resource
    Electronic Resource
    Irrigation as a Practical Means to Control Potato Common Scab (Streptomyces scabies) (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 20 (1971), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Irrigation in 1970 at Gleadthorpe E.H.F. increased potato yields and, when given from the time of tuber initiation, controlled common scab on the susceptible cultivars King Edward, Majestic and Record. Pentland Crown had little scab with or without irrigation. It was the driest May and June since 1934 and there was already a soil moisture deficit (S.M.D.) of 1.8 in. (46 mm) at tuber initiation by King Edward and when water was first given. Subsequently irrigation at 0.6 in. (15 mm) or 0.8 in. (20 mm) S.M.D. was more effective than 1.5 in. (38 mm) or 2.25 in. (57 mm) S.M.D. in controlling scab, and more effective at 0.6 in. S.M.D. when maintained for 4 wk than for 2 wk.Irrigation at 0.6 in. S.M.D. for 4 wk increased the weight of premium (Table Grade) potatoes by respectively, 16, 12, 13 and 12 tons/acre (40, 30, 32.6 and 30 t/ha) for King Edward, Majestic, Record and Pentland Crown.Tubers developed slowly in unirrigated plots both in volume and in the rate that eyes separated. King Edwajd produced more tubers per plant than Majestic; irrigation did not increase tuber numbers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1971.tb00536.x
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  • 2
    Electronic Resource
    Electronic Resource
    Observations on the Timing of Irrigation and the Incidence of Potato Common Scab (Streptomyces scabies) (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 16 (1967), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Common scab (Streptomyces scabies) on ‘Majestic’ potato tubers was checked by irrigation maintaining the soil at saturation (‘field capacity’) throughout tbe growing season more than it was by irrigating only before the first tubers had grown to 1/4-1/2 in. diameter.The stage of the tubers when irrigation was started or stopped affected the distribution of scab lesions on their surfaces and infections were rare on tissue formed when soil was saturated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1967.tb00388.x
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  • 3
    Electronic Resource
    Electronic Resource
    An Effect of Soil Compaction on the Incidence of Potato Coiled Sprout (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 16 (1967), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The incidence of coiled sprout in ‘Majestic’ potatoes was increased by chitting the seed, planting deeply and compacting the soil.Stem bases of plants from unchitted seed produced coiled stems only in rolled soil and then only few. Coils were most abundant with plants from chitted seed in rolled soil. Rolling the soil increased the incidence of coiling and fasciation more than did chitting.Chitted seed planted 1 in. deep produced very few coils even in rolled soil. Not all coils showed lesions but Verticillium nubilum Pethybr. was frequently isolated from lesions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1967.tb00366.x
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  • 4
    Electronic Resource
    Electronic Resource
    Possibilities of forecasting potato storage diseases from tests on seed tuber and crop samples (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 28 (1979), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In 1975 and 1976 commercial potato crops, mainly cv. King Edward, grown on farms in Bedfordshire, Cambridgeshire and Hertfordshire were sampled to investigate the possibilities of forecasting storage disease from assessment of actual disease or latent infection, both on the seed tubers used and on the growing crop. Crops were stored in various conditions on the farms where they were grown or in a common store at the Potato Marketing Board Experimental Station at Sutton Bridge, Lincolnshire, at 3°C in 1975 or at Rothamsted in 1976.Skin spot, silver scurf and black scurf showed the greatest range of disease incidence between crops and skin spot the closest relationship between latent infection in growth and disease in store. In general the closer to harvest that tests were done, the closer the relationship to subsequent disease in store.In each year potatoes from only one farm had much gangrene and this was related to the incidence on the seed used and to the large amount of damage done to these tubers at harvest. There was little bacterial soft rot in either year. The assessments of disease and inoculum potential did not produce results sufficiently closely related to the amount of subsequent storage rot or disease to be helpful in making decisions on storage strategy, although the potential benefits from accurate forecasting would be great.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1979.tb01124.x
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  • 5
    Electronic Resource
    Electronic Resource
    Irrigation as a Practical Means to Control Potato Common Scab (Streptomyces scabies): Final Experiment and Conclusions (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 22 (1973), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In 1971, irrigation at Gleadthorpe E.H.F. had little or no effect on yields but, when applied early in the season, greatly decreased common scab on the susceptible cultivars King Edward, Majestic and Désirée. Record, and especially Pentland Crown, had little scab with or without irrigation.Most-scab infection occurred during dry weather in late June and early July. Irrigation for 6 wk from 4 June, at 0.6 in. (15 mm) soil moisture deficit (S.M.D.) controlled scab most effectively, but 6 wk was only marginally better than 4 wk. With other regimes, the severity of scab increased as the S.M.D. allowed before irrigation was increased. King Edward tubers from unirrigated plots were blemished more in 1971 than in the two previous dry seasons, partly because rain caused tubers to swell more than previously and enlarged scab lesions so much that healthy tissue between scabs was ruptured.More tubers per plant were formed from King Edward when seed tubers were treated with benomyl and oxycarboxin before planting than when untreated, but irrigation even from 75 per cent emergence had no effect on tuber numbers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1973.tb01766.x
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  • 6
    Electronic Resource
    Electronic Resource
    The Relative Importance of Weather, Soil- and Seed-borne Inoculum in determining the Incidence of Common Scab (Streptomyces scabies) in Potato Crops (1972)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 21 (1972), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Potato seed tubers, cv. Majestic, without or variously affected by common scab, were planted between 1964 and 1967, in two fields at Rothamsted, one known to produce only slightly scabbed and the other severely scabbed potato crops.The amount of scab at lifting depended most on whether June or early July was wet or dry. If wet, there was little infection on progeny tubers irrespective of the amount of inoculum in soil or on seed tubers. When dry weather allowed infection, inoculum in soil had more effect than that on seed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1972.tb01736.x
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  • 7
    Electronic Resource
    Electronic Resource
    The Period of Susceptibility of Red Beet to Streptomyces Scab (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 27 (1978), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Red beet growing in pots, either out-of-doors in Hertforoshire or in the glasshouse, was inoculated with a pathogenic Streptomyces isolate. The Plants which become susecptible at decortication (about five weeks after sowing), became resistant after about a further two weeks. This allows a relatively short period during which a potential control measure would need to be effective.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1978.tb01086.x
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  • 8
    Electronic Resource
    Electronic Resource
    The Susceptibility of Red Beet Cultivars to Streptomyces Scab (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 25 (1976), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Ten ‘globe’ and two ‘long’ red beet cultivars were tested for susceptibility to Streptomyces scab in a field trial on a scab-infested Black Fen peat soil. The long beet cultivars Red Perfection and Cheltenham Green Top had little scab and about 75 per cent of roots had none or only one small lesion (‘scab free’). Of the ‘globe’ beets, Avon Early and Elsoms No. 257 were most resistant with only 2 per cent of the surface area scabbed and 75 per cent of roots ‘scab free’, Little Ball and New Globe were most susceptible with 8 to 9 per cent of the surface affected and only 33 per cent of roots ‘scab free’. The widely grown Boltardy and Crimson Globe had about 7 per cent of the surface area scabbed and 45 per cent of roots ‘scab free’.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1976.tb01911.x
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  • 9
    Electronic Resource
    Electronic Resource
    Methods for assessing the susceptibility of potato tubers of different cultivars to rotting by Erwinia carotovora subspecies atroseptica and carotovora (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 33 (1984), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The susceptibility of tubers of different potato cultivars to soft rot by Erwinia carotovora subspp. uroseptica and carotovora was assessed in 3 years by two methods. In one method, whole tubers inoculated at wounds with either bacterium were incubated under anaerobic conditions for 5 or o days at 15°C. In the other method, wounds made in tuber slices were allowed to heal or not, before inoculation with different concentrations of each bacterium and were then incubated under aerobic conditions for 3 days at 15°C. Most cultivars gave consistent reactions in repeated experiments using the same method, but there was some seasonal variation. A few cultivars were consistently susceptible (Klondyke and Manna) or resistant (Drayton) in both methods but others gave completely contrasting results (Record). In both methods and with all cultivars more rotting was caused by subsp. atroseptica than by subsp. carotovora because of the temperature of Incubation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1984.tb00581.x
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  • 10
    Electronic Resource
    Electronic Resource
    AN EFFECT OF NITROGEN ON THE FORMATION OF POTATO TUBERS AND THE INCIDENCE OF COMMON SCAB (STREPTOMYCES SCABIES) (1966)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 15 (1966), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1966.tb00313.x
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