PJB-2020-152
Effect of Antifungal Activity of Lactococcus lactis Against Anthracnose Pathogen, Colletotrichum capsici of Chilli Under Glasshouse Condition
Muhammad Aiman Bin Fakri
Abstract
Anthracnose disease occurred in chilli plant due to fungal pathogen of Colletotrichum capsici which lead to yield losses. Many Lactic acid bacteria (LAB) strains have been proven to exhibit antagonistic effect to fungi on foods, but very limited study is done on in vivo antifungal potential of LAB on diseases infected crop plants. Thus, this study aimed to examine the efficacy of LAB, Lactococcus lactis subspecies lactis isolated from agriculture soil against C. capsici on three varieties of chilli under glasshouse conditions. Physico-chemical assessment revealed that Capsicum frutescens L., Capsicum annum var. longum and Capsicum annum var. kulai had no significant difference (p≥0.05) with non-treated fruits in chroma, hue angle, lightness, fruit firmness and total soluble solid 7 days after treatments. Both treated and non-treated fruits of C. frutescens L., and C. annum var. kulai had no significant difference (p≥0.05) in lesion area. However, lesion area of C. annum var. longum fruit treated with Lc. lactis was twice smaller than that of non-treated fruits which was 22 mm2 as compared to 42 mm2. This finding suggests that Lc. lactis subsp. lactis isolated from soil has potential to act as antifungal agent against C. capsici depending on variety of chilli.
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