?url_ver=Z39.88-2004&rft_id=1917021061&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=UJI+EFEKTIVITAS+EKSTRAK+ETANOL+BUAH+LADA+HITAM%0D%0A(Piper+nigrum)+TERHADAP+MORTALITAS+DAN+PERUBAHAN+MORFOLOGI+MIDGUT+LARVA+Aedes+aegypti&rft.creator=SABRINA+NAILA+%2C+DASTIANA+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=570+Biologi&rft.description=Nyamuk+Aedes+aegypti+merupakan+vektor+penyebab+Demam+Berdarah+Dengue+(DBD).+Pengendalian+vektor+DBD+biasanya+bergantung+pada+larvasida+sintetik.+Tetapi+hal+ini+berisiko+menyebabkan+resistensi+serangga+dan+meninggalkan+residu+polutan+kimiawi.+Sehingga+dibutuhkan+larvasida+alami+yang+ramah+lingkungan+dan+tidak+menyebabkan+resistensi.+Buah+lada+hitam+(Piper+nigrum)+diduga+mengandung+metabolit+sekunder+yang+berpotensi+sebagai+biolarvasida+Aedes+aegypti.+Tujuan+penelitian+ini+adalah+menguji+efektivitas+ekstrak+etanol+buah+lada+hitam+terhadap+mortalitas+larva+Aedes+aegypti+dan+mengetahui+pengaruh+paparan+ekstrak+terhadap+perubahan+midgut+larva.+Penelitian+menggunakan+metode+rancangan+acak+lengkap+dengan+lima+kelompok+percobaan+dan+empat+pengulangan+sebagai+berikut%3A+K+(Aquades+%2B+0%25+ekstrak)%2C+P1+(0%2C25%25+ekstrak)%2C+P2+(0%2C50%25+ekstrak)%2C+P3+(0%2C75%25+ekstrak)%2C+P4+(1%25+ekstrak).+Data+dianalisis+dengan+One-way+ANOVA+dan+efektivitas+ekstrak+dilanjutkan+ke+uji+Post+hoc+LSD+sehingga+diperoleh+konsentrasi+efektif.+Perubahan+morfologi+midgut+larva+diamati+secara+deksriptif+dan+ditampilkan+dalam+bentuk+tabel+dan+gambar.+Hasil+penelitian+menunjukkan+setelah+paparan+24+jam+efektivitas+ekstrak+tertinggi+pada+konsentrasi+1%25+sebesar+93%25+mortalitas+dan+efektivitas+terendah+pada+konsentrasi+0%2C25%25+sebesar+43%25+mortalitas.+Ekstrak+etanol+buah+lada+hitam+(Piper+nigrum)+mempengaruhi+perubahan+morfologi+midgut+larva+Aedes+aegypti+ditandai+dengan+kerusakan+membran+perifer%2C+adanya+penipisan+mikrovili%2C+pembengkakan+sel+epitel+dan+vakuolasi+sel%2C+serta+kerusakan+membran+basalis.+%0D%0A%0D%0AKata+kunci%3A+Piper+nigrum%2C+biolarvasida%2C+mortalitas%2C+midgut+Aedes+aegypti.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0Aabstract%0D%0A%0D%0AAedes+aegypti+is+the+vector+of+Dengue+Hemorrhagic+Fever+(DHF).+Dengue+vector+management+usually+depends+on+synthetic+larvicides.+However%2C+it+can+lead+to+insect+resistance+and+leave+chemical+pollutant+residues.+Therefore+natural+larvicides+are+needed+for+their+environmentally+friendly+and+do+not+induce+insect+resistance.+Black+pepper+(Piper+nigrum)+fruit+is+expected+to+contain+secondary+metabolites+beneficial+as+larvicides+to+Aedes+aegypti.+This+study+aims+to+test+the+effectivity+of+the+ethanol+extract+of+black+pepper+fruit+on+the+mortality+of+Aedes+aegypti+larvae+and+determine+the+effect+of+extract+exposure+on+larval+midgut+morphological+changes.+The+study+used+a+completely+randomized+design+with+five+experimental+groups+and+four+repetitions+as+follows%3A+K+(aquades+%2B+0%25+extract)%2C+P1+(0.25%25+extract)%2C+P2+(0.50%25+extract)%2C+P3+(0.75%25+extract+)%2C+P4+(1%25+extract).+The+data+were+analyzed+using+One-way+ANOVA+and+continued+with+the+Post+hoc+LSD+test+to+obtain+an+effective+concentration.+Changes+in+the+morphology+of+larval+midgut+were+observed+descriptively+and+presented+in+the+form+of+tables+and+figures.+The+results+showed+that+after+24+hours+of+exposure%2C+the+highest+effectiveness+of+the+extract+at+a+concentration+of+1%25+was+93%25+mortality+and+the+lowest+effectiveness+was+at+a+concentration+of+0.25%25+at+43%25+mortality.+The+ethanol+extract+of+black+pepper+(Piper+nigrum)+fruit+affected+midgut+morphological+changes+of+Aedes+aegypti+larvae+characterized+by+peripheral+membrane+damage%2C+microvilli+thinning%2C+epithelial+cell+swelling+and+vacuolation%2C+and+basement+membrane+damage.+%0D%0A%0D%0AKeywords%3A+Piper+nigrum%2C+biolarvicide%2C+mortality%2C+midgut+of+Aedes+aegypti.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-09-14&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76551%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76551%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76551%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SABRINA+NAILA+%2C+DASTIANA+++(2023)+UJI+EFEKTIVITAS+EKSTRAK+ETANOL+BUAH+LADA+HITAM+(Piper+nigrum)+TERHADAP+MORTALITAS+DAN+PERUBAHAN+MORFOLOGI+MIDGUT+LARVA+Aedes+aegypti.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F76551%2F