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How to decrease the harmfulness of apple scab


, : How to decrease the harmfulness of apple scab. Zashchita i Karantin Rastenii ( 11): 20

An increase in the severity of apple scab in 1990 and 1994 was observed in Russia.

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Related references

Shibkova, N.A., 1979: Harmfulness of apple scab and its assessment. Losses in apple fruits caused by scab [Venturia inaequalis] were correlated to leaf infection. A reduction in yield could be expressed by linear regression equations y = 32.2-2.25 x and y = 65.7-0.89 x where y was yield from 1 tree and x disease i...

Shibkova, Na, 1976: Harmfulness of apple scab in Leningrad Region. Mikologiia i fitopatologiia: 0 (5) 431-432

Shibkova, N.A., 1976: Harmfulness of apple scab in the Leningrad region. Losses of 1st grade apples due to scab [Venturia inaequalis] were 12.7, 1.27 and 24 kg/tree in 1972, 1973 and 1975, respectively. Good control of the disease was obtained by applying captan at 0.4% or benomyl at 0.15% before and after flowering.

Shibkova, N.A., 1976: Harmfulness of apple scab in the leningrad oblast ussr. Studies were conducted on 'Belyi naliv' apple trees in 1972, 1973 and 1975. Intensity of scab development was evaluated, and results were statistically analyzed to reveal the relationship between scab development and yield. Even in years...

Zuck, M.; Caruso, F., 1982: Evaluation of apple scab fungicides in Maine, 1981 Apple (Malus sylvestris McIntosh), apple scab; Venturia inaequalis. Fungicide and nematicide tests results American Phytopathological Society7(37): 23

Szkolnik, M., 1982: Eradicative activity of fungicides alone and in mixtures against apple scab, 1981 Apple (Malus sylvestris Macoun, McIntosh, Niagara, Rome Beauty), apple scab; Venturia inaequalis. Fungicide and nematicide tests results American Phytopathological Society7(37): 17-18

Szkolnik, M., 1982: Continued protection against apple scab from fungicide residues depleted by rainfall, 1981 Apple (Malus sylvestris Rome Beauty, McIntosh, Niagara), apple scab; Venturia inaequalis. Fungicide and nematicide tests results American Phytopathological Society7(37): 17

Hickey, K.; May, J1; Garretson, M., 1982: Disease incidence on apple treated with fungicides applied for after-infection scab control, 1981 Apple (Malus sylvestris Rome Beauty, Stayman Winesap, Delicious), apple scab; Venturia inaequalis, powdery mildew; Podosphaera leucotricha, cedar-apple rust; Gymnosporangium juniperi-virginianae. Fungicide and nematicide tests results American Phytopathological Society7(37): 6-7

Pecknold, Pc, 1982: Evaluation of fungicides for control of apple scab on four apple cultivars, 1981 Apple (Malus sylvestris Starkspur Ultrared Delicious, Golden Delicious, Rome Beauty, Blushing Golden), apple scab; Venturia inaequalis. Fungicide and nematicide tests results American Phytopathological Society7(37): 13

Jeger, M.J.; Harris, M.A.; Swait, A.A.J.; Butt, D.J.; Wood, S.J.; Hubbard, V.M.; Robinson, J.D.; Souter, R.D., 1984: Apple scab (Venturia inaequalis). Apple powdery mildew (Podosphaera leucotricha). Apple scab and mildew fungicide field trials. Spray application studies. A study of annual records for 20 yr indicated that ascospores of V. inaequalis and susceptible spring foliage may be expected to coincide in most years if scabbed leaf litter has survived the winter. When bud burst is early a curative fungicide st...