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International Journal Of Horticulture, Agriculture And Food Science(IJHAF)

Comparative study of chemical fungicides for the management of citrus gummosis Phytophthora nicotianae var. parasitica in north Gujarat condition

Patel R. A. , Patel B. K.

International Journal of Horticulture, Agriculture and Food science(IJHAF), Vol-4,Issue-5, September - October 2020, Pages 186-188, 10.22161/ijhaf.4.5.1

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Field experiment was conducted at Krishi Vigyan Kendra, Mehsana, Gujarat to test the efficacy of various chemical treatments for the control of gummosis (Phytophthora nicotianae var. parasitica) of Citrus during the year 2017-2019. Ten -year-old acid lime (Kagzi lime) trees were treated with Bordeaux paste and fosetyl Al. Bordeaux paste application and fosetyl Al significantly reduced gummosis incidence. It can be concluded that for effective control of gummosis, citrus trees may be treated with Bordeaux paste on the main trunk or foliar spray of fosetyl Al gave average 33.33 % and 30.00 % disease index, respectively during the three-year experiments.

gummosis, Phytophthora nicotianae var. parasitica, disease management, Acid Lime, Citrus aurantifolia.