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Awad, M., Ghar, A., Ahmed, A., Attar, A., Awad, H. (2017). STUDIES ON INHIBITORS OF VIRUS DISEASES INFECTING SOME LEGUMINOUS CROPS IN EGYPT. Menoufia Journal of Plant Protection, 2(4), 279-280. doi: 10.21608/mjapam.2017.126189
M. A. Awad; A. I. Abo El- Ghar; A. A. Ahmed; A. K. A. El Attar; H. M. A. Awad. "STUDIES ON INHIBITORS OF VIRUS DISEASES INFECTING SOME LEGUMINOUS CROPS IN EGYPT". Menoufia Journal of Plant Protection, 2, 4, 2017, 279-280. doi: 10.21608/mjapam.2017.126189
Awad, M., Ghar, A., Ahmed, A., Attar, A., Awad, H. (2017). 'STUDIES ON INHIBITORS OF VIRUS DISEASES INFECTING SOME LEGUMINOUS CROPS IN EGYPT', Menoufia Journal of Plant Protection, 2(4), pp. 279-280. doi: 10.21608/mjapam.2017.126189
Awad, M., Ghar, A., Ahmed, A., Attar, A., Awad, H. STUDIES ON INHIBITORS OF VIRUS DISEASES INFECTING SOME LEGUMINOUS CROPS IN EGYPT. Menoufia Journal of Plant Protection, 2017; 2(4): 279-280. doi: 10.21608/mjapam.2017.126189

STUDIES ON INHIBITORS OF VIRUS DISEASES INFECTING SOME LEGUMINOUS CROPS IN EGYPT

Article 3, Volume 2, Issue 4, July and August 2017, Page 279-280  XML PDF (151.95 K)
Document Type: Original Article
DOI: 10.21608/mjapam.2017.126189
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Authors
M. A. Awad1; A. I. Abo El- Ghar1; A. A. Ahmed2; A. K. A. El Attar3; H. M. A. Awad4
1Prof. of Plant Pathology, Fac. of Agric., Menoufia Univ.
2Head Researcher of virus and phytoplasma.Plant Pathology. Res. Inst., ARC
3Senior Researcher of virus and phytoplasma .Plant Pathology. Res. Inst., ARC
4Lecturer of Plant Patholog Faculty of Agric., Menoufia Univ.
Abstract
The Objectives of this study were to:

-   Isolate and identify Bean yellow mosaic virus affecting bean and faba bean plants under field conditions from different locations in Menoufia governorate. Yellowing, mosaic malformations and blisters were appeared on infected leaves. Symptomatic plants were tested by biological methods as  host range and indicator plants, serological tests and PCR method.
-   Study of some inhibitors (Plant extracts and salicylic acid (SA) against BYMV. Evaluate systemic acquired resistance (SAR) using host local lesions (Chenopodium amaranticolor) and Dianthus caryophyllus extract was found to be the most effective inducer (95.8%).
-   Study the biochemical changes in induced, infected and healthy plants, photosynthesis pigments (chlorophyll a, chlorophyll b and carotenoids), oxidative enzymes (peroxidase and polyphenol oxidase) and antiviral protein.
-   Examine the histological changes using light and electron microscopy, revealed changes as affecting on  mesophyll layers, spongy tissue and decrease in number of chloroplasts and increase of starch grains in infected plants compared with healthy and induced plants.
-   Also, Evaluate the SAR under field conditions, our results were based on  determination of  chlorophyll pigments, oxidative enzymes and the yield (the dry weight of pods and seeds) for treatments healthy and infected plants.
Keywords
Bean; BYMV; SAR; plant extracts; SA; Physiological; Biochemical and Histological changes
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