The Effect of Cereal Cyst Eelworm on Spring‐sown Cereals

Dixon, G. M.

doi:10.1111/j.1365-3059.1969.tb00476.x

Cited by 11 publications

(7 citation statements)

References 7 publications

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“…There is no evidence for this. In England 10 eggs/g soil causes a reduction in yield of spring wheat of less than 5 90 (Dixon, 1969).…”

Section: Interpretation Of Tolerancementioning

confidence: 99%

Problems with the Use of Resistance in Wheat to the Australian Pathotype of Heterodmra avenae1

Fisher

1982

EPPO Bulletin

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Problems with the use of resistance in wheat to the Australian pathotype of Heterodera avenae are discussed. Resistance in different cultivars is regarded as a continuous series, and multiplication rates, sex ratios and susceptibility/resistance all measure the same thing. The best source of resistance to the Australian pathotype is in Aus 10894, but this will be of greatest use if incorporated into a tolerant cultivar. Tolerance of wheat cultivars is also a continuous series from poor to good. Cv. Olympic has poor tolerance. Resistance in cv. Festiguay and Portugal 1 31 may also be useful in tolerant cultivars. The Australian pathotype is not more damaging than other pathotypes.

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“…There is no evidence for this. In England 10 eggs/g soil causes a reduction in yield of spring wheat of less than 5 90 (Dixon, 1969).…”

Section: Interpretation Of Tolerancementioning

confidence: 99%

Problems with the Use of Resistance in Wheat to the Australian Pathotype of Heterodmra avenae1

Fisher

1982

EPPO Bulletin

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“…the given population of a pathogen to cause a given yield loss) must be determined under many environmental and genotypic factors, such as water and nutrient availability and tolerance and/or resistance reaction of a given cultivar or variety. Furthermore, interpretation of the damage threshold between specific nematological studies should be done with extreme caution, as very few studies are truly comparable, with inherent differences in sampling protocol, extraction procedure and nematodes counting (Duggan, 1961;Stone, 1968;Dixon, 1969;Gill & Swarup, 1971;Meagher & Brown, 1974;Simon & Rovira, 1982;Handa et al, 1985b;Dhawan & Nagesh, 1987, Rivoal & Sarr, 1987Fisher & Hancock, 1991;Zancada & Althöfer, 1994;Al-Hazmi, Al-Yahya, & Abdul-Razig, 1999;Ibrahim et al, 1999).…”

Section: Life Cycle Symptoms Of Damage and Yield Lossmentioning

confidence: 99%

“…Heterodera avenae in the northwestern part of India and in southern Australia is considered a major limiting factor of wheat and barley. Figures in India suggest that for every 10 eggs/g soil, there is a loss of 188 kg/ha in wheat and 75 kg/ha in barley (Duggan, 1961;Dixon, 1969). Mathur, Handa, and Swarup (1986) reported avoidable loss in wheat ranging from 32.4 to 66.5% with inoculum varying from 4.6 to 10.6 eggs/ml soil.…”

Section: Cereal Cyst Nematodementioning

confidence: 99%

Global Knowledge And Its Application For The Integrated Control And Management Of Nematodes On Wheat

Nıcol¹,

Rivoal

2008

Integrated Management and Biocontrol of Vegetable and Grain Crops Nematodes

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Importance of cereals and wheat nematodes in the world is revised. Distribution of cereal nematodes, species and pathotypes includes root lesion, cereal cyst nematodes and other cereal parasitic species. Life cycle, symptoms of damage and yield losses are also revised for root knot, stem and seed gall nematodes. Integrated control of cereal nematodes and some chemical, biological and cultural practices, including grass free rotations and fallowing with cultivation, are discussed. The effects of time of sowing, crop rotations and cultivation of resistant/tolerant varieties are also revised.

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“…Tarbock 1964 Table 1. Maximum-minimum yields of spring cereals, losses attributed to Heterodera avenae (after Dixon, 1969…”

Section: Skipwith 1963mentioning

confidence: 99%

Variations in Cereal Yield Losses associated with Heterodera avenae in England and Wales1

Williams

Beane

1982

EPPO Bulletin

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Many field experiments in England and Wales during the past 20 years have measured cereal yield losses and established regressions of yield on numbers of Heterodera avenae. Yield benefits from soil sterilants were greatest where most H avenae was present. Isogenic selections of barley and oats resistant and susceptible to H. avenae were extensively grown to assess the losses caused by this nematode alone. In some experiments these losses were identical with those measured by nematicide use, but in others (notably where broad spectrum biocides were used) losses were greater than those attributable to H. avenae and could be explained only by the known incidence of accompanying pathogens. Some yield loss may be due to migratory nematodes, e.g. Pratylenchus spp. occurring with H. avenae. Barley and wheat yields in the last 30 years have increased by 63 and 84 % due to improvements in cultivars and farming practice. Smaller percentage loss in a high yielding crop can be as costly as large percentage loss in poor crops grown on dry light soils. Many factors ‐ soil type, rainfall, nutrients, other pathogens etc. ‐ can greatly modify crop responses to similar popuiation levels of H. avenae.

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The Effect of Cereal Cyst Eelworm on Spring‐sown Cereals

Cited by 11 publications

References 7 publications

Problems with the Use of Resistance in Wheat to the Australian Pathotype of Heterodmra avenae1

Problems with the Use of Resistance in Wheat to the Australian Pathotype of Heterodmra avenae1

Global Knowledge And Its Application For The Integrated Control And Management Of Nematodes On Wheat

Variations in Cereal Yield Losses associated with Heterodera avenae in England and Wales1

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