Alimudin, Sukmawati
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Intraspecies Relationship of Croton (Codiaeum variegatum L.) in South Parigi District Based on Phenetic Analysis Alimudin, Sukmawati; Trianto, Manap; Nuraini, Nuraini
BIO-EDU: Jurnal Pendidikan Biologi Vol 5 No 3 (2020): Jurnal BIO-EDU Volume 5 Nomor 3 Tahun 2020
Publisher : Jurusan Pendidikan Biologi, Fakultas Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v5i3.733

Abstract

Croton is one of the horticultural plant commodities that is important among the community because it plays a role in adding beauty and beauty and functions as a pollutant absorbent plant. This reseach is aims to describe the kinship relationship between croton cultivars. The research was conducted in May 2020. The type of research used is descriptive exploratory. The research sample used was eight croton cultivars with five individuals in each cultivar. The plant characters measured included 14 morphometric characters, six meristic characters, and 81 qualitative characters. Kinship analysis was processed using the File Editor Program (PFE) software and the Multivariate Statistical Package (MVSP). The amount of the similarity index is calculated using the Simple Matching Coefficient method, and the determination of kinship using the UPGMA algorithm. The results showed that eight cultivars were obtained and formed 3 clusters and two sub-clusters. The closest kinship relationship is between croton lele and croton with a thousand stars which are supported by a similarity index of 0.766 and the farthest relationship occurs between node 6 (croton drill, chips, crackers, catfish, thousand stars and swallow) and node 3 (croton sheep and turtles) ) which is supported by a similarity index of 0.6.
Diversity of Food Source and Foraging Behavior of Tetragonula laeviceps (Hymenoptera: Meliponini) in Parigi Selatan Sub District Nuraini, Nuraini; Trianto, Manap; Alimudin, Sukmawati
BIO-EDU: Jurnal Pendidikan Biologi Vol 5 No 3 (2020): Jurnal BIO-EDU Volume 5 Nomor 3 Tahun 2020
Publisher : Jurusan Pendidikan Biologi, Fakultas Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v5i3.735

Abstract

Tetragonula laeviceps is a type of stingless bee that is currently widely cultivated in Indonesia due to ability to produce various products that have many uses for human life. Foraging behavior is the main activity of honey bee to fulfill their daily needs. The availability of food source is one of the important factor that influence the foraging behavior of Tetragonula laeviceps. This study aims to determine the diversity of food source and foraging behavior of Tetragonula laeviceps. Observing the diversity of food source through identification of pollen and observing the foraging behavior of the bee. The diversity of pollen found in Parigi Selatan Regency showed that there were 20 families of food sources of Tetragonula laeviceps and the most frequently visited family is Arecaceae. Foraging behavior of Tetragonula laeviceps begins at sunrise until evening. The peak of activity occurs in the morning around 08.30-08.40 WITA and the afternoon around 15.30-15.40 WITA which is related to the availability of food source. Environmental factors (air temperature, humidity, and light intensity) affect the foraging behavior of Tetragonula laeviceps.