The management of used goods needs to be improved in order to reduce pollution and contamination. The largest source of waste comes from settlements, which 75% consists of organic waste and only 25% inorganic waste. Inorganic waste management is still very minimal. Inorganic waste is very difficult to degrade and cannot even be degraded at all naturally, therefore a very large area is needed to compensate for the production of this type of waste. One of the most common inorganic waste found in the community is a plastic straw. Plastic straws are a drinking aid that is only used occasionally and in turn, increases the amount of waste available. Plastic straw waste in Singkawang City is one of the elements causing pollution that is not easily broken down because it is made of inorganic plastic. Plastic straw waste in Indonesia reaches more than 93.2 million per day, because of its large potential, it would be better if this plastic waste is used as a product and creativity in order to organize plastic waste properly, so that plastic really supports people's economic life community.
Phyllanthus niruri L. merupakan tumbuhan yang berfungsi sebagai obat. Perbanyakan dengan buah setelah 28 hari penanaman buah tidak berkecambah dan dengan biji memiliki perkecambahan yang rendah. Tujuan penelitian ini adalah untuk mengetahui pengaruh hormon giberelin (GA3) dan kombinasi GA3 dengan IAA terhadap daya kecambah buah dan biji P. niruri, serta menentukan konsentrasi giberelin (GA3) dan kombinasi GA3 dengan IAA yang optimal untuk meningkatkan daya kecambah buah dan biji P. niruri. Penelitian ini menggunakan Rancangan Acak Lengkap Faktorial (RALF), terdiri dari 2 faktor: organ tanaman (buah, biji) dan zat pengatur tumbuh GA3 (200, 250, 300, 350 ppm) dan kombinasi GA3 (200, 250, 300, 350 ppm)dengan IAA 100 ppm, dengan 3 ulangan. Hasil dianalisis menggunakan Analysis of Variance (ANOVA) dan Duncan Multiple Range Test (DMRT) pada taraf 5%. Hasil penelitian menunjukkan perendaman buah menggunakan GA3 dapat meningkatkan daya kecambah buah P. niruri. Konsentrasi 250 ppm GA3 memberikan hasil terbaik dengan persentase perkecambahan 5,55%. Perendaman biji menggunakan GA3 dapat meningkatkan daya kecambah biji P. niruri. Konsentrasi 300 ppm GA3 memberikan hasil terbaik dengan persentase perkecambahan 80,5%, laju perkecambahan 4,64 hari, indeks vigor 3,53. Perlakuan kombinasi GA3 dan IAA menurunkan daya kecambah pada buah dan biji P. niruri.
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