Maize seed storage mycoflora in Pakistan and its chemical control
2012
Saleem, M.J. (Punjab Univ., Lahore (Pakistan). Inst. of Agricultural Sciences) | Bajwa, R. (Punjab Univ., Lahore (Pakistan). Inst. of Agricultural Sciences) | Hannan, A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Plant Pathology) | Qaiser, T.A.(Punjab Univ., Lahore (Pakistan). Centre of Excellence in Molecular Biology)
Eleven seed-borne fungal species were recorded in the 18 maize seed samples collected from 6 maize growing districts of Punjab and Khyber Pakhtoonkhwa, Pakistan. Aspergillus flavus, A. niger and Fusarium moniliforme were the most prevalent species with the incidence range up to 94, 62 & 43%, respectively. Maximum number of fungal species i.e., 10 was observed from Okara, Sahiwal and Nowshehra, 9 from Mansehra, whereas 8 were recorded from Mardan and Pakpattan samples. A comparative study was designed to evaluate eight fungicides to control maize seed mycoflora at the rate of 2.0, 2.5, 3.0 and 3.5 g per kg. Benlate followed by Thiophanate Methyl and Thiram provided the maximum fungal control at the dose of 3 and 3.5 g per kg. Maximum germination percentage was attained in case of seed dressing with Benlate followed by Thiram and Thiophanate methyl at the rate of 3g per kg, which revealed Benlate to be a broad spectrum seed dressing fungicide with no adverse effect on germination.
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