ABSTRACT Coffee Leaf Rust (CLR) disease is one of the main diseases of coffee plants including Liberica coffee. Liberica coffee is superior variety from Meranti Islands, Lim 1 and Lim 2, have been determined by Minister of Agriculture as resistant varieties against Coffee Leaf Rust (CLR). The largest group of resistance (R) genes is the genes encoding the NBS-LRR (Nucleotide Binding Site-Leuci…
ABSTRACT Felis domestica (cat) is an animal that is much liked and kept because of its characteristic shapeunique body, eye, and coat color. With these advantages become powerspecial attraction for cats to be maintained. This study aims to determine the types of ectoparasites in cats and determine the prevalence and intensity of attacks ectoparasites found in the District Mandau, City of Duri,…
ABSTRACT Microgreens have been widely developed from vegetables and herbs, whereas fruit-based microgreens have not been developed much. This is in line with the high level of papaya Callina consumption in Pekanbaru which results in a lot of unutilized papaya seed waste. Papaya seeds have a complex nutritional content that can be developed into microgreens. This study aims to analyze the feasi…
ABSTRACT Endophytic bacteria are microorganisms that symbiosis with plants without causing negative effects on plants. Generally, the compounds produced by host plants are in line with those produced by endophytic bacteria. Potential secondary metabolites of endophytic bacteria are antioxidant and α-amylase inhibitor. This research aims to isolate and test the ability secondary metabolites of…
ABSTRACT Riau University is one of to distribution area of Fabaceae family. The purpose of this study was to characterize the morphological characteristics of Fabaceae leaves in this area and to identify their phytochemical compounds. Sampling in the field was carried out by using the exploratory method. Leaf morphology were used to be analyzed using NTSys to constuct dendrogram. The secondary…
Ikan patin merupakan salah satu ikan air tawar yang cukup digemari oleh masyarakat. Kecamatan XIII Koto Kampar merupakan salah satu daerah yang banyak memproduksi ikan patin, khususnya Di Desa Koto Mesjid setiap harinya menghasilkan 3 sampai 4 ton ikan patin segar. Hasil tersebut umumnya dimanfaatkan oleh industri pengolahan hasil perikanan dalam bentuk segar maupun olahan. Di Desa Koto Mesjid …
This study aims to describe the conditions of learning history and historical awareness of students in the material for the National Muhammadiyah Organization Movement at MA Muhammadiyah Pekanbaru. This type of research is descriptive qualitative with data collection through interview guides, observation sheets and documentation recording forms. The main sources of this research were class…
This study aims to determine the types of medicinal plants by inventorying and identifying medicinal plants that are used as traditional medicine by the people of Benai District, Kuantan Singingi Regency. This research is a qualitative research. Data on the types of medicinal plants in Benai District, Kuantan Singingi Regency were obtained through interviews and direct observation at the r…
ABSTRACT Mango is one type of fruit that is most popular with the public. The use of mangoes is only for the flesh for consumption, while the skin and seeds are discarded, causing organic waste in the environment. This study aims to determine the content of secondary metabolites and antioxidant activity in the seeds mango of arum manis (Mangifera indica Linn.), kweni (Mangifera odorata Griff.)…
ABSTRACT Malay apple (Syzygium malaccense (L.) Merr & Perry) is a fruit plant in the Myrtaceae family, which has high economic value and nutritional content. The aim of this study was to determine the growth response of Malay apple leaf cuttings to treatment with coconut water concentrations. The research design used was a randomized block design with 5 treatment levels and 5 replications. The…
ABSTRACT Endophytic bacteria are bacteria that live symbiotically in plant tissues but do not have a negative effect on plants. Currently, endophytic bacteria are widely used in the industrial sector as enzyme producers. This study aims to examine the potential of endophytic bacteria from the stems and roots of sea fern (Acrostichum aureum L.) as producers of hydrolytic enzymes and to determin…
ABSTRACT Pandan plant from Kubang is a plant of the Pandanaceae family. Habitat and morphologically, pandan from Kubang has similar with Benstonea sp. from Pelalawan, but has a dissimilarity in the number of fruits. Pandan from Kubang has 2 fruits are located at the terminal bud, while Benstonea sp. from pelalawan has 1 fruit are located at the terminal of the stem. The identification of Panda…
ABSTRACT Cryopreservation is a technique for freezing spermatozoa so that they can live for a long time. Bali cattle are one of the potential germplasm to be developed. This study aimed to determine the effectiveness of giving moringa leaf extract (Moringa oleifera) into tris-yolk diluent on the motility, viability, and recovery rate of bali cattle spermatozoa with the length of freezing time.…
ABSTRACT Peat soil is nutrient-rich in organic matter with high acidity and C-organic content causing various microorganisms to live in it, including actinomycetes. Actinomycetes has potential as a hydrolytic enzyme producer and a source of antibacterial compounds. This study aims to characterize, test the hydrolytic enzyme activity and antibacterial activity of three Meranti Island actinomyce…
ABSTRACT Plumeria species pose high morphological characters. This is pivotal in plant identification and classification. The aim of study is to characterize morphological characters and pollen of Plumeria in University Riau area. Plumeria speciemens were collected from UNRI area. Morphological characterization was carried out on stems, leaves and flowers. Plumeria pollen preparation was carri…
ABSTRAK Asteraceae merupakan famili dengan spesies terbanyak kedua di dunia, memiliki jumlah sekitar 1,623 genus dan 24,700 spesies. Sebagian besar anggota famili Asteraceae memiliki bunga yang indah sehingga jenisnya banyak dibudidayakan oleh masyarakat. Penelitian ini bertujuan mengidentifikasi jenis-jenis anggota famili Asteraceae berdasarkan karakter morfologi yang ditemukan di Kawasan…
ABSTRACT Sungkai (Peronema canescens Jack.) belongs to the Lamiaceae family which has various active compounds function as antipyretic to antioxidant so it is widely used as medicine. Sungkai samples were taken from three locations in Riau Province, namely Kuantan Singingi, Pekanbaru and Siak. The purpose of this study was to characterize and determine the types of phytochemical compounds cont…
ABSTRACT Banana is member of the Musa genus of the Musaceae family that is widely cultivated in Indonesia, one of which is in Sungai Sembilan District, Dumai City. This study aims to inventory and identify banana diversity based on morphological characters. This research was conducted in October-December 2022. Sampling was done by exploration method. Morphological characters were described, th…
ABSTRACT Macang (Mangifera foetida Lour) belongs to the Anacardiaceae family which contains secondary metabolites such as flavonoids, tannins, phenols, saponoins, alkaloids and steroids which act as antibacterials. In general, the compound content in M. foetida is in line with the content produced by endophytic microbes in its plant tissues. This study aims to isolate and test the antibacteria…
ABSTRACT Coconut belongs to the Palmae family which is a versatile plant and has high economic value. Bandar Laksamana Sub-district, Bengkalis Regency is one of the largest potential coconut producing districts in Riau. Coconut diversity based on agronomic characters has not been supported by scientific data. The purpose of this study was to characterize the diversity of coconut based on a…