Survey of Some Fungal Diseases on Leaves of Rose Plants in Al-Bayda City, Libya

• Nwara A Mohamed

  Plant protection Department, Agriculture Faculty, Omar El-Mukhtar University, Al-Bayda, Lib-ya

  Author

• Nawal G. Abdullah

  Plant protection Department, Agriculture Faculty, Omar El-Mukhtar University, Al-Bayda, Lib-ya

  Author

• Omar M. El-Sanousi

  Plant protection Department, Agriculture Faculty, Omar El-Mukhtar University, Al-Bayda, Lib-ya

  Author

This study was conducted on rose plants growing in El-Beida City's in 2016 to survey the fungal diseases on leaves of this plant. The results of this study indicated that the infection on roses planted in public gardens (parks) was more significant than that of home or nursery planted roses, and these results showed that the amount of disease on leaves of roses grown in El-Beida were high during the period of this study, Home gardens and nurseries were the least infected (45.5% and 48.3%) respectively, compared to parks (73%). The reported diseases in this study were powdery mildew, rust, black spot, silver spot, burning margins and blotches, the most disease occurring was powdery mildew disease at (46.9% and 30.4%) for both incidence rate and severity respectively on cultivated roses in El-Bieda City, While rust was the least registered disease during the year 2016 with an infection rate that did not exceed an average of 4.1%. There are no significant differences between the trends and incidences of infection range between 37.5-40%. July was the highest month in terms of infection and the older leaves of roses had the highest infection rate through all the months of our study.

عبدالله، نوال جمعة (2019). دراسة الأمراض الفطرية على أوراق الورد النامي بمدينة البيضاء. رسالة ماجستير، غير منشورة، قسم وقاية النبات، كلية الزراعة، جامعة عمر المختار، البيضاء، ليبيا.

Carlson-Nilsson, B. U. (2002). Variation in Rosa with emphasis on the improve-ment of winter hardiness and re-sistance to Marssonina rosae (Black-spot). Swedish University of Agricul-tural Sciences.

El-Gali, Z., & Abdullrahman, E. (2014). Dis-tribution of some molds in the atmos-pheric air of El-Beida city, Libya. In-ternational Journal of Innovative and Applied Research, 6, 1-7.

Kranz, J. (1965). A list of plant pathogenic and other fungi of Cyrenaica (Libya). Phytopathological Papers(6).

Pemberton, H., Kelly, J., & Ferare, J. (2003). Pot rose production. Pp: 587-593. En-cyclopedia of rose science. Academic press. Oxford, USA. 1450p.

Salamone, A., Scarito, G., Scovazzo, G. C., & Fascella, G. (2009). Control of Powdery Mildew in Cut Roses using Natural Products in the Greenhouse. Floriculture and Ornamental Bio-technology, 3, 121-125.

Schwer, C. S. (2006). Impact of foliar fungi on dogroses. SLU, Dept. of Crop Science.

Uggla, M., & Carlson-Nilsson, B. (2005). Screening of fungal diseases in off-spring from crosses between Rosa sections Caninae and Cinnamomeae. Scientia Horticulturae, 104(4), 493-504.

• PDF

Copyright (c) 2021 Nwara A Mohamed, Nawal G. Abdullah , Omar M. El-Sanousi

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Copyright of the articles Published by Almukhtar Journal of Science (MJSc) is retained by the author(s), who grant MJSc a license to publish the article. Authors also grant any third party the right to use the article freely as long as its integrity is maintained and its original authors and cite MJSc as the original publisher. Also, they accept the article remains published by the MJSc website (except in the occasion of a retraction of the article).