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Title

INVESTIGATION ON DIFFERENT MULBERRY VARIETIES'S RESPONSE AGAINST MULBERRY POWDERY MILDEW AND ITS EFFECT ON QUALITATIVE TRAITS OF MULBERRY LEAF

Pages

  33-39

Abstract

 Harmful effects of chemical control of mulberry pests and disease for silkworm rearing will make the selection of high resistant plants to play a magnificent role on improvement of sericulture actives. Recognition and propagation of high disease resistant varieties of mulberry will prompt the quality and quantity efficiency of mulberry leaf as exclusive feeding resource for silkworm rearing and improve cocoon and silk output consequently. Mulberry POWDERY MILDEW is knownas one of the most important fungous disease all over the world. During this study in gat 2000-2001, Phyllactinia guttata was recognized as pathogen of disease in Gilan and 4 improved MULBERRY VARIETIES i.e. KM, KN, I and SI as well as one local variety have been studied at Pasikhan site of Iran Sericulture Co. First year evaluation was based on natural contamination of 625 leaves of each variety selected from 25 trees as a colon. At second year, after relative expansion of disease from the most susceptible areas of Gilan (Roudbar and east zones) the infected leaves were collected and washed in 0.78% Glucose solution. The prepared suspensoid with concentration of 2x105 conidia/ml were sprayed on isolated sapling of each 5 varieties (each variety 10 sapling). After 10 days KM variety showed the first symptoms of disease under greenhouse conditions. 5 leaves of each tree were surveyed after full expansion of disease under natural condition and contamination level was coded based of 0-7 scale. Severity index (S.I. or PDI) during two years in spite of slight differences showed the following fashion: SI< I < KN< Local< KM. Chemical analysis of normal and infected leaves from the aspect of qualitative parameters such as protein etc. showed decreasment (sometimes increasement) in infected leaves in each variety which was corresponded with the mode of severity index of varieties.

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    APA: Copy

    BIZHANNIA, A.R., MIRHOSSEINI MOGHADAM, A., & SEYDAVI, A.R.. (2005). INVESTIGATION ON DIFFERENT MULBERRY VARIETIES'S RESPONSE AGAINST MULBERRY POWDERY MILDEW AND ITS EFFECT ON QUALITATIVE TRAITS OF MULBERRY LEAF. PAJOUHESH-VA-SAZANDEGI, 65(4 (65 IN AGRONOMY AND HORTICULTURE)), 33-39. SID. https://sid.ir/paper/19579/en

    Vancouver: Copy

    BIZHANNIA A.R., MIRHOSSEINI MOGHADAM A., SEYDAVI A.R.. INVESTIGATION ON DIFFERENT MULBERRY VARIETIES'S RESPONSE AGAINST MULBERRY POWDERY MILDEW AND ITS EFFECT ON QUALITATIVE TRAITS OF MULBERRY LEAF. PAJOUHESH-VA-SAZANDEGI[Internet]. 2005;65(4 (65 IN AGRONOMY AND HORTICULTURE)):33-39. Available from: https://sid.ir/paper/19579/en

    IEEE: Copy

    A.R. BIZHANNIA, A. MIRHOSSEINI MOGHADAM, and A.R. SEYDAVI, “INVESTIGATION ON DIFFERENT MULBERRY VARIETIES'S RESPONSE AGAINST MULBERRY POWDERY MILDEW AND ITS EFFECT ON QUALITATIVE TRAITS OF MULBERRY LEAF,” PAJOUHESH-VA-SAZANDEGI, vol. 65, no. 4 (65 IN AGRONOMY AND HORTICULTURE), pp. 33–39, 2005, [Online]. Available: https://sid.ir/paper/19579/en

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