A comparative study on storability of some onion (Allium cepa L.) bulbs produced under different fertilizers
Publication Date : 04/11/2020
This study was carried out during the period from July to October of 2015/16 and 2016/17 at onion store of Horticultural Crops Research Center at Shambat, Agricultural Research Corporation, Sudan, Khartoum North, to investigate the performance of bulbs of five onion cultivars; Baftaim (S) (red), Saggai lmproved (red), Abu-Freiawa (dark red), Kamleen (yellow), Texas Early Yellow Grano (yellow) produced at different fertilizers; urea, organic, NPK, ammonium sulphate and control (without fertilizers) to storability. The treatments were arranged in a completely randomized design (CRD) with three replications. The data collected include percentages of total loss, rotted, sprouted and infected bulbs with black mold. The results indicated that the cultivar Texas Early Yellow Grano contained the highest rotting, sprouting, infected bulbs by black mold and total weight loss, while cultivar Baftaim (S) gave the lowest percentage of rotting, infected bulbs by black mold and total loss in the beginning of storage period and the lowest percentage of sprouting during the storage period. Local onion cultivars store better than Texas Early Yellow Grano.
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