Articles | Open Access | DOI: https://doi.org/10.37547/tajhfr/Volume05Issue08-05

PEAR GARDEN POWDERY MILDEW DISEASE AND DAMAGES

Pulatov Azizjon Allayor Ugli , Scientific Research Institute Of Horticulture, Viticulture And Winemaking Named Academician M.Mirzayev, Tashkent, Uzbekistan

Abstract

This article analyzes the damage of pear varieties by powdery mildew. In the research, it was found that 11.7% of pear varieties were affected by powdery mildew in 2020, 12.3% in 2021 and 12.7% in 2022. Passkrasana and Hosui varieties of pear are resistant to powdery mildew, Nijisseyki variety is moderately resistant, and Carmen variety is resistant variety.

Keywords

Pear, disease, pathogen

References

Groshev S.V. Ecologization of systems for protecting apple trees from powdery mildew in the Kuban. Krasnodar 2002. 147 p.

Hasanov B.A., Ochilov R.O., Kholmurodov E.A., Gulmurodov R.A. Fruit and nut trees, citrus, berry bushes and vine diseases and their control. - Tashkent, 2010. - P.11-27.

Hickey K.D. and K.S. Yoder. (1990): Apple powdery mildew. Pages 9–10 in A.L. Jones and H.S. Aldwinckle, ed. Compendium of Apple and Pear Diseases. Am. Phytopathol. Soc., St. Paul, MN. 100 pp.

Imre Holb. (2013). Apple powdery mildew caused by Podosphaera leucotricha: some aspects of biology. International Journal of Horticultural Science. 19. 10.31421/IJHS/19/3-4./1096.

Khokhryakov M.K. Guidelines for the experimental study of phytopathogenic fungi. - Leningrad, 1969.-S.52-55.

Kholmurodov E.A, Zuparov M.A, Sattarova R.K, Khakimova N.T, Nuraliev Kh.Kh. Agricultural phytopathology - Tashkent, 2013. - B.517-519.

Kosova V.V., Polyakova I.Ya. Forecast of occurrence and accounting of pests and diseases of agricultural crops. - Moscow, 1958. - S.504-511.

Magnus P. Über einige in Südtirol auf getretenen Mehltan des Apfels. //Sonderabdruck aus den Berichten den Deutsch. Bot. Gesellsch. - 1898. № 16.-S. 26 -28.

Mercer R.T., Stevens C.C., Beach B.G.W., Paul G.C. Thiophanate-methyl - control of apple powdery mildew by dormant seasonspraying / - British Crop Protection Conference. Pest and Diseases. - 1977. - Vol. 2. - P. 369 374.

Peresypkin V.F. Diseases of agricultural crops. Volume 3. Diseases of vegetable and fruit crops, Kyiv: Harvest, 1991. - 208 p.

Pidoplichko N.M. Fungi are parasites of cultivated plants. Determinant. Volume 1. Perfect mushrooms. - Kyiv; "Naukova Dumka", 1977a. - 296 p.

Pidoplichko N.M. Fungi are parasites of cultivated plants. Determinant. Volume 2. Imperfect mushrooms. - Kyiv; "Naukova Dumka", 1977b. - 300 s.

Sheraliev A.Sh, Muradov B.E. Entomology and Phytopathology - Tashkent, 2008. - B.172.

Stepanov K.M., Chumakov A.E. Forecast of diseases of agricultural plants. - Leningrad: Kolos, 1972. - P.271.

Stoll K. Der Apfelmehltau // Forschungsdienst. - 1938. - Bd. 5, h. 10. - S. 513 - 522.

Sukhoruchenko G.I. Resistance of harmful organisms to pesticides, the problem of plant protection in the second half of the 20th century in the CIS countries // Bulletin of Plant Protection. - -Pb. - Pushkin. - 2001. - No. 1. - From 18-37.

Voronin E.I. Powdery mildew of apple and peach in the Crimea // Tr. poprikl. botany, genetics and breeding. - 1977. - T. 59, Ash. 2. - 133 146

Yachevsky A.A. Powdery mildew mushrooms / Pocket determinant of mushrooms.-L., 1927.-288 p.

Pulatov A.A. Spread and damage of fungal diseases in pear orchards. Journal of Agro Chemistry Protection and Plant Quarantine, special issue No. (2). 2023 pp. 228-231

https://www.pesticidy.ru /pathogens

https://www.gov.bc.ca

https://www.crop-protection.ru

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Pulatov Azizjon Allayor Ugli. (2023). PEAR GARDEN POWDERY MILDEW DISEASE AND DAMAGES. The American Journal of Horticulture and Floriculture Research, 5(08), 23–28. https://doi.org/10.37547/tajhfr/Volume05Issue08-05