Isolation of Mycorrhiza and Its Effect on Yield of Zea mays ( L.) var. rugosa Bonaf. (Sweet corn)

Authors : Myat Myat Nwe, Lae Lae Aung

Volume/Issue : Volume 4 - 2019, Issue 7 - July

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In this experiments were carried out to isolation of mycorrhiza from roots and spore population from rihzosphere in ten species of angiosperms and to investigate the effect of mycorrhiza fertilizer on the yield of Zea mays (L.) var. rugosa Bonaf. (sweet corn ) in Magway University during February to December 2018. These experiments included laboratory, pot were conducted at Magway University. In laboratory experiment mycorrhiza infection of roots were calculated by grid-line intersection method and spore population were collected by spore decanting method. The highest infection was observed in roots of Dactylotenium aegyptium (L.)Willd. (72.1%) and the Lowest infection was occurred in Phyllanthus urinaria L. (19.5 %). Highest number of spore was observed in rhizosphere of Chloris barbata SW. (55). and lowest number of spore was observed in Leucas aspera (Willd.) Spreng ( 13 ). In pot experiment, the effect of mycorrhiza infected grass roots on yield of sweet corn were also investigated. It was observed that yield of treated plants were significantly higher than the control plants at 5% level. These results also indicated that yield parameter of the earliest day to 50% tasseling and earing was found in treated with VAM , and the latest was observed in the control. The yield component of ear yield ,ear size, ear weight and 1000 grains weight were obviously increased the effect of treated with VAM, than control at harvested time According to result suggested that, the use of mycorrhiza had a higher positive effect of yield on Zea may s(L.) var rugosa Bonaf.(sweet corn).


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