Author：Jui-Chang Huang^1,* and Wen-Jin Jiang²

Abstrct：

    Endomycorrhizae has been used is seedling nursery. However, this practice should be supplemented with appropriate amount of fertilizers. Now, no cultural medium or growth medium containing mycorrhiza is available on market. The experiment was attempted to develop appropriate composition of growth medium to low down the supplement of various amount of fertilizers. Results of muskmelon experiments indicated that best infection rate i.e.55.4% of the plants infected mycorrhiza was found in the growth medium containing coconut shell fiber (CSF): vermiculite (V), and the least in the medium with peat moss (PM): V with vermicompost i.e.43.4%. Best growth of muskmelon one month after planting was observed in the medium with PM: V with vermicompost plus inoculation of Gm inoculation, and lowest growth in the medium with CSF: V plus inoculation of Gm inoculation. Best growth of muskmelon one month after planting was observed in the medium with vermicompost plus inoculation of Gm, and without inoculation is the lowest. Another tests also showed that inoculation of Gm increased Ca²⁺ and Mg²⁺ absorption and decreased Na⁺ absorption. If the plants were inoculated, Na⁺ concentration was decreased, It means that inoculation may disturb absorption of Na+. Demonstration areas through inoculation can promote nutrient absorption, reduced sodium ion uptake, if they were compared with the control group, but yields and total soluble solids increased.

Keywords: Biofertilizer; Mycorrhiza; Vermicompost; Organic agriculture; Muskmelon.

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* Corresponding author, e-mail: jchuang@mail.tndais.gov.tw
¹ Associate Researcher, Tainan District Agricultural Research and Extension Station, Tainan, Taiwan, ROC.
² Assistant Researcher, Tainan District Agricultural Research and Extension Station, Tainan, Taiwan, ROC.

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