?url_ver=Z39.88-2004&rft_id=2117061026&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=BIOAKTIVITAS+OVISIDA+EKSTRAK+ETIL+ASETAT+Gracilaria+sp.+TERHADAP+Aedes+aegypti&rft.creator=LISA+%2C+SUNIA&rft.subject=570+Biologi&rft.description=Demam+Berdarah+Dengue+(DBD)+disebabkan+oleh+infeksi+virus+dengue+dan+ditularkan+oleh+nyamuk+Aedes+aegypti+betina+yang+menyerang+manusia.+Penularan+penyakit+ini+dapat+ditanggulangi+dengan+cara+menggunakan+ovisida+alami+yang+ramah+lingkungan.+Gracilaria+sp.+diketahui+mengandung+senyawa+kimia+yang+dapat+dimanfaatkan+sebagai+bahan+alami+pembuatan+ovisida+sehingga+mampu+menghambat+daya+tetas+telur+Aedes+aegypti.+Tujuan+penelitian+ini+adalah+untuk+mengetahui+senyawa+aktif+yang+terdapat+pada+ekstrak+etil+asetat+Gracilaria+sp.+dan+untuk+mengetahui+bioaktivitas+ekstrak+etil+asetat+Gracilaria+sp.+terhadap+ovisida+Aedes+aegypti.+Jenis+penelitian+ini+adalah+eksperimental+menggunakan+Rancangan+Acak+Lengkap+(RAL)+dengan+konsentrasi+ekstrak+Gracilaria+sp.+yang+berbeda+yaitu+1%2C5%25+%3B+2%25+%3B+2%2C5%25+%3B+3%25+%3B+air+keran+(kontrol+negatif)+dan+1%25+azadirachtin+(kontrol+positif).+Masing-masing+perlakuan+dilakukan+pengulangan+sebanyak+empat+kali+dan+menggunakan+25+butir+telur+Aedes+aegypti%2C+pengamatan+dilakukan+setiap+enam+jam+sekali+selama+72+jam+dengan+menghitung+jumlah+telur+Aedes+aegypti+yang+tidak+menetas.+Data+dianalisis+menggunakan+uji+one+way+Analisis+of+Varians+(ANOVA)+bila+ada+perbedaan+jumlah+telur+yang+tidak+menetas+antar+perlakuan+dilanjutkan+ke+uji+Tukey+pada+taraf+signifikansi+sebesar+0%2C05.+Hasil+uji+fitokimia+menunjukkan+bahwa+ekstrak+etil+asetat+Gracilaria+sp.+mengandung+senyawa+flavonoid%2C+alkaloid%2C+saponin%2C+fenol%2C+steroid+dan+tanin.+Hasil+penelitian+ini+menunjukkan+adanya+perbedaan+jumlah+telur+yang+tidak+menetas+antar+perlakuan+(p%3D0%2C000)+sedangkan+hasil+analisis+uji+tukey+menunjukkan+bahwa+konsentrasi+dengan+daya+hambat+penetasan+telur+Aedes+aegypti+tertinggi+adalah+3%25.+Semakin+tinggi+konsentrasi+maka+semakin+tinggi+jumlah+telur+Aedes+aegypti+yang+tidak+menetas.%0D%0A%0D%0AKata+kunci%3A+Aedes+aegypti%2C+Gracilaria+sp.%2C+ovisida%2C+ekstrak+etil+asetat.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ADengue+Hemorrhagic+Fever+(DHF)+is+caused+by+dengue+virus+infection+and+is+transmitted+through+the+female+Aedes+aegypti+mosquito+that+attacks+humans.+Transmission+of+this+disease+can+be+overcome+by+using+natural+and+environmentally+friendly+ovicides.+Gracilaria+sp.+is+known+to+be+used+as+a+natural+ingredient+for+making+ovicides+so+that+it+can+inhibit+the+hatching+power+of+Aedes+aegypti+eggs.+The+purpose+of+this+study+was+to+determine+the+content+of+active+compounds+contained+in+the+ethyl+acetate+extract+of+Gracilaria+sp.+and+to+determine+the+bioactivity+of+the+ethyl+acetate+extract+of+Gracilaria+sp.+as+an+Aedes+aegypti+ovicide.+This+type+of+research+is+an+experiment+using+a+Completely+Randomized+Design+(CRD)+with+a+concentration+of+Gracilaria+sp.+the+difference+is+1.5%25%3B+2%25%3B+2.5%25%3B+3%25%3B+tap+water+(negative+control)%2C+and+1%25+azadirachtin+(positive+control).+Each+treatment+was+repeated+four+times+and+used+25+Aedes+aegypti+mosquito+eggs.+Observations+were+made+every+six+hours+for+72+hours+by+counting+the+number+of+Aedes+aegypti+mosquito+eggs+that+did+not+hatch.+Data+were+analyzed+using+a+one-way+test+(ANOVA)+if+there+was+a+difference+in+the+number+of+unhatched+eggs+between+treatments%2C+followed+by+the+Tukey+test+at+a+significance+level+of+0.05.+The+results+showed+that+the+ethyl+acetate+extract+of+Gracilaria+sp.+contains+flavonoids%2C+alkaloids%2C+saponins%2C+phenols%2C+steroids+and+tannins.+The+results+of+this+study+showed+a+difference+in+the+number+of+unhatched+eggs+between+treatments+(p+%3D+0.000)+while+the+results+of+the+Tukey+test+analysis+showed+that+the+concentration+with+the+highest+inhibition+of+Aedes+aegypti+egg+hatching+was+3%25.+The+higher+the+concentration%2C+the+higher+the+number+of+Aedes+aegypti+mosquito+eggs+that+did+not+hatch.%0D%0A%0D%0AKeywords%3A+Aedes+aegypti%2C+Gracilaria+sp.%2C+ovicide%2C+ethyl+acetate+extract.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2025-03-18&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86082%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86082%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86082%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++LISA+%2C+SUNIA++(2025)+BIOAKTIVITAS+OVISIDA+EKSTRAK+ETIL+ASETAT+Gracilaria+sp.+TERHADAP+Aedes+aegypti.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F86082%2F