The Growth Effect of Miang Tea (Camellia sinensis var. assamica) after Dropping Mycorrhiza at Ban Tavan Nan Province
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Abstract
Mycorrhiza fungi that reside along plant roots are found to help plants absorb more minerals from the soil, thereby enhancing their growth. This study aimed to investigate the growth of Miang tea by applying different rates of Mycorrhiza droppings, which affected the growth and colonization of Mycorrhiza in the Miang tea roots. The experimental design exploited completely randomized design (CRD) and consisted of four treatments with three replicates each (each replicate used 15 Miang tea seedlings): 1) no Mycorrhiza droppings (control group), 2) 10 milliliters of Mycorrhiza droppings, 3) 20 milliliters of Mycorrhiza droppings, and 4) 30 milliliters of Mycorrhiza droppings. Growth was monitored by measuring the stem diameter at the root neck level, stem height, and canopy width of the Miang tea in a nursery for five months, followed by transplanting to the field for an additional three months. The results showed that Miang tea treated with 20 and 30 milliliters of Mycorrhiza droppings had the highest Mycorrhiza colonization rates, with both at 30 percent, significantly improving stem diameter at the root neck level and height compared to those treated with 10 milliliters and the control group, at a 95% confidence level. Therefore, the appropriate rate for dropping Mycorrhiza to promote optimal growth of Miang tea was identified as 20 milliliters, applying twice.
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King Mongkut's Agricultural Journal
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