Abstract
This study purposes to compare the effectiveness of bio-insecticides made from papaya leaf extract, and chilli pepper in several different doses to reduce pest attack on white oyster mushroom ( Pleurotus ostreatus ). Experiments conducted on oyster mushrooms that are fruitful with 3 formula are formula 1 (papaya and water), Formula 2 (papaya leaves, chili pepper, and water), and the formula 3 (chili pepper and water). Parameters observed were the fallen fruit, harvest weight, fruit diameter, the number of dead pests. The results concluded that the formula has a significant effect on all parameters. Formula 2 has the highest level of effectiveness of insecticides can reduce the fallen fruit to 84 %, have twice yields and 1.3 times bigger diameter than control crop yields. Formula 2 has the composition of papaya leaf extract and chili pepper (1:1:2) . Keywords: oyster mushroom, pests, bioinsecticide, papaya leaf, chili pepper
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