Abstract
Bottle gourd (Lagenaria siceraria Mol.Standl.), a prominent member of the cucurbitaceae family, stands as a significant vegetable crop. However, it faces a formidable challenge in the form of Fusarium wilt, attributed to Fusarium oxysporum f. sp. lagenariae, a fungal pathogen. This disease poses a substantial threat to bottle gourd cultivation, affecting its vascular system and leading to symptoms like wilting and yellowing, ultimately endangering the plant's survival. The research was conducted on evaluation of fungicides against F. oxysporum of bottle gourd at department of plant pathology, S. D. Agricultural University during 2018-2020. Four systemic, four non-systemic and four combined fungicides at different concentration were tested against F. oxysporum through poison food technique. Among systemic fungicides, carbendazim found much effective and it recorded the highest growth inhibition (99%) at higher concentration, followed by propiconazole (98%) at 500 ppm. Among non systemic fungicides, propineb recorded the highest growth inhibition (99.50%) at higher concentration, followed by chlorothalonil (73.83%) at 2000 ppm. Among combined fungicides, carboxin + thiram recorded the highest growth inhibition (99.50%) at higher growth inhibition at 1000 ppm.
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