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Tri Handayani
"ABSTRAK
Pitcher plants (Nepenthes spp.) included in carnivorous plants which are often visited by nectar-seeking insects, such as bees, beetles, butterflies and ants. In order to be visited by insects, pitcher plants provide a lure prize in the form of nectar produced by flowers (floral nectar) and nectar in other parts outside the flower (extrafloral nectar). In an effort to get the nectar, visitor insects can fall into the hole of the pitcher which will eventually become the food of the pitcher plants."
Bogor: Balai Konservasi Tumbuhan Kebun Raya Cibodas, 2019
580 WKR 17:1 (2019)
Artikel Jurnal  Universitas Indonesia Library
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Kristina Hersandi
"Penelitian bertujuan mengetahui pengaruh pemberian Pollen Substitute (PS) dan Nectar Substitute (NS) terhadap produktivitas Apis cerana, dan menganalisis kualitas madu sesuai Standar Nasional Indonesia. Pemberian PS dan NS berfungsi sebagai pengganti pakan alami lebah madu, yaitu pollen dan nectar. Pollen Substitute dibuat dari biomassa basah khamir Saccharomyces cerevisiae dan NS dari sirup nanas. Pakan diberikan dengan cara mencampurkan 2 gr PS dan 50 ml NS. Pada penelitian digunakan 10 koloni lebah madu: lima koloni sebagai kontrol dan lima koloni untuk perlakuan, seluruh koloni dibiarkan tetap mencari pakan alaminya. Pollen substitute dan NS diberikan setiap hari selama 2 periode (6 minggu per periode). Produktivitas lebah madu diamati setiap periode. Analisis kualitas madu dilakukan setelah 6 minggu. Hasil pengamatan pada dua periode menunjukkan penambahan keliling sisir madu dan jumlah sisir madu pada koloni perlakuan lebih besar dibandingkan kontrol. Meskipun demikian hasil uji T menunjukkan pemberian perlakuan tidak berbeda nyata terhadap kontrol (P>0,05). Rerata kenaikan keliling sisir madu dan jumlah sisir madu berturut–turut pada koloni kontrol sebesar 37 ± 23,42 cm dan 0,75 ± 0,95 buah (periode 1); 172,5 ± 79,65 cm dan 3,5 ± 1,73 buah (periode 2). Sedangkan pada koloni yang diberi PS dan NS sebesar 52 ± 55,37 cm dan 1,25 ± 1,5 (periode I); 199,5 ± 79,41 cm dan 5 ± 2,16 buah (periode 2). Volume madu yang dihasilkan koloni perlakuan lebih banyak dibandingkan kontrol, baik pada periode 1 maupun periode 2. Hasil analisis kualitas madu kontrol dan yang diberi PS dan NS sesuai dengan SNI 8664:2018. Pemberian PS dan NS mampu mempertahankan dan meningkatkan produktivitas koloni A. cerana yaitu pada keliling sisir, jumlah sisir, volume madu, dan kekuatan koloni.

The aims of this study were to examine the effect of pollen substitute (PS) and nectar substitute (NS) on the productivity of Apis cerana colonies and the quality of honey according to Indonesian National Standard for honey. Provision of PS and NS serves as a substitute for natural pollen and nectar. Pollen Substitute was prepared from wet biomass of yeast Saccharomyces cerevisiae and NS from pineapple syrup. The feed were given to the colony by mixing 2 g of PS and 50 ml of NS. Ten honeybee colonies were used in this study, five colonies were used as feeding trials and five colonies as control, and they were allowed to forage on flowers. Pollen substitute and nectar substitute were provided to the colonies every day for two periods (total 12 weeks, six weeks per period). Honey quality analysis was performed after six weeks. The results of provision of PS and NS in two periods to the colonies showed the greater than the control in their increasing of honeycomb circumference and the number of honeycombs. However, the results of the T test showed that the provision of PS and NS was not significantly different from the control (P>0,05). The average increase in the honeycomb circumference and the number of honeycombs in control colonies were 37 ± 23.42 cm and 0.75 ± 0.95 pieces (period 1); 172.5 ± 79.65 cm and 3.5 ± 1.73 pieces (period 2). Meanwhile, the colonies fed on PS and NS were 52 ± 55.37 cm and 1.25 ± 1.5 (period 1); 199.5 ± 79.41 cm and 5 ± 2.16 pieces (period 2). The yield of honey produced from colonies fed on PS and NS was higher than control colonies, both in periods 1 and 2. The quality of honey produced by the colony fed on PS and NS met the criteria of the Indonesian National Standard for honey SNI 8664:2018. This study revealed that the provision of PS and NS was able to maintain and increased the productivity of A. cerana colonies, in terms of honeycomb circumference, number of honeycombs, honey yield, and colony strength.

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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
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UI - Skripsi Membership  Universitas Indonesia Library
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Regina Diah Rachmawati
"Kupu-kupu termasuk serangga yang memanfaatkan nektar pada bunga sebagai sumber pakannya. Kupu ndash;kupu mengisap nektar dari bunga menggunakan probosis. Panjang probosis kupu ndash;kupu berhubungan dengan jenis bunga penghasil nektar yang dapat dikunjunginya. Penelitian bertujuan untuk mengetahui korelasi antara panjang probosis kupu-kupu famili Pieridae dengan panjang tabung bunga penghasil nektar di Kampus UI Depok. Pengamatan kupu-kupu dan bunga yang dikunjungi dilakukan di sembilan lokasi dari bulan Maret hingga Mei 2018. Penelitian diawali dengan pendataan jenis kupu-kupu dan bunga yang dikunjunginya dengan metode purposive sampling, kemudian dilanjutkan dengan pengambilan sampel jenis kupu-kupu dan bunga untuk diukur panjang probosis dan panjang tabungnya, masing-masing sebanyak tiga kali pengulangan. Kupu-kupu famili Pieridae yang berhasil ditemukan sebanyak sembilan jenis. Rata-rata panjang probosis kupu-kupu famili Pieridae berkisar 9-15,9 mm, dengan rata-rata panjang tabung bunga yang dikunjunginya berkisar 4,3-16,4 mm. Uji korelasi Spearman terhadap data panjang probosis kupu-kupu dan panjang tabung bunga, menghasilkan nilai r = 0,88, dengan nilai signifikasi sebesar p = 0,02, yang menunjukkan bahwa terdapat korelasi antara panjang probosis kupu-kupu dengan panjang tabung bunga. Hasil tersebut mengindikasikan kupu-kupu Pieridae cenderung mengunjungi bunga penghasil nektar yang memiliki panjang tabung bunga tidak lebih dari panjang probosisnya.

Butterflies are insects that utilize nectar from flowers as a source of feed. Butterflies are sucking nectar from flowers using proboscis.The length of the butterfly proboscis is related to the type of nectar producing flowers that can be visited. The objective of this research is to know the correlation between proboscis length of the butterfly family Pieridae with the tube length of the nectar producing flower at UI Depok Campus. Observations of butterflies and flowers visited were conducted in nine locations from March to May 2018. The research begins with the data collection of butterflies and flowers visited by purposive sampling method, then continued by taking samples of butterflies and flowers to measure the length of proboscis and tube length, each of them with three repetitions. Butterflies of family Pieridae that was found during research are nine types. The average proboscis length of the butterfly family Pieridae ranges from 9 to 15.9 mm, with the average of tube length of flowers range from 4.3 to 16.4 mm. Spearman correlation test against data of the length of proboscis of butterfly and the length of the flower tube generate r 0.88, with a significance value of p 0.02, so there was a correlation between the length of the butterfly probes and the length of the flower tube. These results indicate Pieridae butterflies tend to visit nectar producing flowers that have a tube length of flowers no longer than the length of the proboscis.
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2018
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UI - Skripsi Membership  Universitas Indonesia Library
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Rizka Adriana Lutfiani
"Kupu-kupu berperan sebagai polinator bagi tumbuhan. Kupu-kupu juga membutuhkan tumbuhan sebagai tempat peletakan telur dan sumber pakannya. Hubungan mutualisme tersebut diduga merupakan salah satu penyebab terjadinya evolusi mutualistik antara panjang probosis kupu-kupu dengan panjang tabung bunga yang secara spesifik dikunjunginya. Penelitian bertujuan untuk mengetahui korelasi antara panjang probosis kupu-kupu famili Nymphalidae dengan panjang tabung bunga penghasil nektar di Kampus Universitas Indonesia, Depok. Pengambilan data dilakukan pada bulan April hingga Mei 2018 di sembilan lokasi penelitian di Universitas Indonesia, Depok. Data dianalisis menggunakan uji korelasi Spearman. Hasil penelitian menunjukkan bahwa panjang probosis kupu-kupu famili Nymphalidae yang ditemukan berkisar 5,3 mdash;17,0 mm, sedangkan rata-rata panjang tabung bunga yang dikunjunginya berkisar 2,7 mdash;20,0 mm. Asystasia gangetica merupakan merupakan spesies tumbuhan yang paling disukai kupu-kupu famili Nymphalidae karena memiliki karakteristik sindroma bunga yang disukai kupu-kupu dan ketersediannya melimpah. Kupu-kupu Nymphalidae cenderung mengunjungi tabung bunga yang lebih pendek daripada probosisnya. Hasil analisis korelasi Spearman menunjukkan angka koefisien korelasi sebesar 0,25 dengan P = 0,32. Berdasarkan hasil tersebut dapat disimpulkan bahwa tidak terdapat korelasi panjang probosis kupu-kupu famili Nymphalidae dengan panjang tabung bunga penghasil nektar di Kawasan Universitas Indonesia, Depok. Tidak adanya korelasi antara panjang probosis kupu-kupu dengan panjang tabung bunga penghasil nektarnya disebabkan karena perilaku kupu-kupu yang adaptif ketika ukuran panjang probosis dan tabung bunga berbeda.

The role of butterflies in the ecosystem is as a pollinator of plants. Butterflies also need plants as a place to lay eggs and feed sources. The relationship of mutualism is considered to be one of the causes of mutualistic evolution between the length of the butterfly proboscis and the length of the specially visited flower tube. The aim of the research is to know the correlation between proboscis length of Nymphalidae and length of the tube of nectar producing flower at Universitas Indonesia, Depok. The research was conducted from April to May 2018 in nine sites at Universitas Indonesia, Depok. Data were analyzed using the Spearman correlation test. The results showed that the proboscis length of Nymphalidae ranged from 5.3 to 17.0 mm, while the average length of the visited flower tube ranged from 2.7 to 20.0 mm. Asystasia gangetica is the most preferred plant of the Nymphalidae butterfly because it has characteristics that correspond to the butterfly flower syndrome and its abundant availability. Nymphalidae tends to visit a shorter flower tube than their proboscis. The results showed that the correlation coefficient was 0.25 with P 0.32. In conclusion, there is no correlation between the proboscis length of Nymphalidae and the length of the nectar producing flower tubes in the Universitas Indonesia, Depok. The absence of a correlation between the proboscis length of Nymphalidae and the length of the nectar producing flower tube is due to the adaptive butterfly behavior when the length of the proboscis and the flower tube are different.
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Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2018
S-Pdf
UI - Skripsi Membership  Universitas Indonesia Library