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International Journal of Agricultural Research
Year: 2013  |  Volume: 8  |  Issue: 1  |  Page No.: 34 - 41

Effect of Effective Microorganisms (EM) Seed Treatment and Types of Potting Mix on the Emergence and Growth of Coffee (Coffea arabica L.) Seedlings

Ali Mohammed, Wosene Gebreselassie and Tigist Nardos    

Abstract: Coffee (Coffea arabica L.) is primarily propagated by seedlings and produced directly from seeds. Effective Microorganisms (EM) has been used for the purpose of improving the germination of different crops. This study was initiated to assess the effect of EM on emergence and subsequent growth of coffee seedlings in different potting mix as a media for growth. The study was conducted in Jimma, Ethiopia from November 2011 until June 2012. The experimental units were laid out in a 5x3 factorial arrangement with Randomized Complete Block Design with three replications. The EM seed treatment had five levels of soaking h (3.5, 4.5, 5.5, 6.5 h and soaking in pure water for 72 h) while the potting mixes had three proportions of Forest Soil (FS) and EM Compost (EMC): (100% FS, 75% FS: 25% EMC and 50% FS: 50% EMC). The highest (76.47%) emergence was recorded from forest soil and EM compost mixture of 75:25 and seeds soaked in pure water for 72 h. Forest soil combined with a 4.5 h soaking of coffee seeds in EM solution resulted in the largest seedling height, number of primary branches and total dry matter. According to this study, EM solution may not be preferred than soaking in water as far as hastening of emergency is concerned. However, the use of forest soil as a pot media and soaking coffee seeds in EM solution for 4.5 h results in a relatively vigor coffee seedlings for transplanting.

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