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Background Mango is an important cash crop greatly contributing for food security of fruit growers in northwestern parts of Tigray region, northern Ethiopia. However, information was critically lacking with respect to germination and growth response of mango rootstock to varying compositions of growing media in the region. Thus,  an experiment was conducted  during 2018  to evaluate  germination and seedling growth  response  of mango cultivars to different combinations of nursery potting media in a net house at Indasellassie. Seeds of Local, Dodo and Keitt cultivars of mango were sown in full top soil (M1); top soil: sawdust: sand (3:2:1)(M2); top soil: FYM (Farmyard manure): sand (3:2:1)(M3); and top soil: FYM: sawdust: (3:2:1)(M4). Randomized complete block design in a factorial arrangement with three replications were used. Data on germination and growth parameters were collected and analyzed using GenStat software. Results The findings of the experiment revealed that mango cultivar had significantly affected most of the germination and growth parameters except shoot number. Moreover, potting media affected most of the parameters except days to germination, germination percentage, stem diameter, root number, and shoot number. Interaction effects of cultivar and growing media significantly affected all parameters except internode length, shoot number and stem diameter. Accordingly, interactions of local mango cultivar and M3 media combination gave the highest for most of the parameters with the order of M3 = M1 = M4 &gt; M2 for germination percentage, M3 = M1 &gt; M4 = M2 for plant height, M3 &gt; M1 &gt; M2 = M4 for leaf number, M3 &gt; M1 &gt; M4 &gt; M2 for leaf area, M3 = M1 &gt; M2 = M4 for stem diameter, M3 = M1 &gt; M2 &gt; M4 for root number, M3 &gt; M2 &gt; M1 = M4 for root length, M3 &gt; M1 &gt; M2 = M4 for fresh weight, M3 &gt; M1 = M2 = M4 for dry weight and Vigorosity II of mango. Conclusion Considering better mango performance on seed germination, seedling growth and establishment in the study area, mango growers should use Local mango cultivar with soil potting media combinations of top soil: FYM: sand in the ratio of 3:2:1 for improving productivity and food security.

Germination and seedling growth response of mango (Mangifera Indica L.) cultivars to different nursery potting media