ABSTRACT This study aims to determine the antibacterial activity of mussel extract (Polymesoda erosa) against Staphylococcus aureus and Escherichia coli bacteria, yields and bioactive compounds. The treatment given was the extraction of mussels with different solvents consisting of hexane, ethyl acetate and methanol. Parameters observed were yield, bioactive compounds and antibacterial act…
ABSTRACT Eel (Monopterus albus) is one of the raw materials for protein hydrolyzate. Eel (M. albus) is known to have a complete amino acid composition. Protein hydrolyzate is made using enzymes. One of the factors that affect the characteristics of the protein hydrolyzate produced is pH. This study was aimed to determine the effect of pH on protein hydrolysis of eel (Monepterus albus) usi…
ABSTRACT Chlorella sp. is green microalgae that contain bioactive compounds which can be used as biological functions. This chlorella was obtained from a sea of Bagansiapiapi waters. The purpose of this study was to obtain the best yield value of Chlorella sp. extracted with a different solvent. The experimental research method consisted of 3 stages, namely: 1) sample preparation, 2) sampl…
Abstract Pangasius pangasius is a type of fish that is very popular with the public and has economic value. Fish meat is easy to decline in quality and needs safe handling to maintain its quality, one of which is with galangal extract. Galangal extract contains antibacterial compounds that can prolong the decay process which will be stored at cold temperatures. The purpose of the study was…
ABSTRACT This research aims to test and obtain isolates and a consortium of rhizosphere fungi from chili plants to control onion seed-borne pathogenic fungi of onion plant. The research has been conducted at the Laboratory of Plant Disease and Greenhouse Experimental Field at Faculty of Agriculture, Riau University, Pekanbaru. The research was done experimentally using a completely randomi…
ABSTRACT The aim of this study to know the performances of agronomic characters in several tomato genotypes, the correlation between agronomic characters in several tomato genotypes, and the direct effect or indirect effect between these agronomic characters. This study was conducted experimentally using a randomized block design (RAK) with 10 treatments and 3 replications, so there are 30…
ABSTRACT The way to get superior varieties is by selection, namely through genetic parameters including diversity, heritability and genetic progress. This study aims to obtain information on the inheritance pattern of quantitative characters in several genotypes planted on peatlands. This study used a randomized block design consisting of 20 treatments and 3 replications so that 60 experim…
ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk organik cair urin sapi serta menentukan dosis dan konsentrasi pupuk organik cair urin sapi terbaik terhadap pertumbuhan dan produksi bawang merah. Penelitian dilakukan dengan Rancangan Acak Kelompok (RAK) dengan tiga ulangan. Perlakuan yang diberikan adalah dosis pupuk organik cair urin sapi yang terdiri dari 9 tara…
ABSTRACT This study aimed to determine the effect of the dose of biofungicide tablets with the active ingredient Trichoderma virens endophytic and to obtain the best dose in controlling Phytophthora palmivora on cocoa seedlings. This research was carried out at the UPT Experimental Garden, Faculty of Agriculture, Laboratory of Plant Diseases, Faculty of Agriculture, and the Biofertilizer a…
ABSTRACT This study was intended to evaluate yield potential several F7 lines of soybean selected from crossing of Grobogan x KM 19. A field experiment was held at the Faculty of Agriculture, Riau University Experiment Station from May 2020 to August. Ten genotypes of soybean consisting of 8 F7 lines and the two parent were planted in the plot with treee replications. The plots were assign…
Abstract Eel is one type of fish that can be used because it has a high nutritional content. Eel can be used as raw material for fish meal because it is known to contain complete protein and amino acids. This study aims to determine the chemical composition of eel flour which is dried in the sun and oven. The research method used was an experiment by making eel flour dried in an oven and i…
ABSTRACT Callosobruchus chinensis L. is a pest that can damage and reduce the quality of mung bean seeds in storage. Pest control can be done using botanical insecticide basil plants (Ocimum sanctum L.). The aim of this research was to get a effective concentration of basil leaf flour against of C. chinensis in the storage. The research was conducted at the Plant Pest Laboratory, Faculty o…
ABSTRACT Sago is a type of palm plant that grows on waterlogged land in the tropics and is a carbohydrate-producing plant that has the potential to support food security programs. This study aims to determine the effect and obtain the best treatment of Kinetin, NAA and the combination of Kinetin and NAA on shoot morphogenesis of apical meristem explants of sago spines in vitro. This resear…
ABSTRACT The aims of this research were to determine the effect of liquid organic fertilizer of gamal leaves and to determine the best dose for the growth and yield of red ginger. The study conducted completely randomized design with three replications. The treatment was a dose of liquid organic fertilizer of gamal leaves consisting 4 levels, namely P0 = 0 ml/6 kg of soil, P1 = 40 ml/6 kg …
ABSTRACT Empty fruit bunches (EFB) contains macro and micro nutrients so it can be used as a compost. EFB takes a long time to be composted, because it have high cellulose. Used cellulolytic bacteria decomposers is a solution to boost EFB composting. Goal of this research is to get cellulolytic bacteria with a high potential for accelerating composting and producing high-quality compost. A…
ABSTRACT This study aims to examine the best composition of planting media using PETI (unlicensed gold mining) which is best for the growth of Sansevieria aubritiana 'Tiger' and Sensevieria trifasciata 'Laurentii'. This research was conducted at the greenhouse of the Faculty of Agriculture University of Riau. The research was carried out experimentally by using a Completely Randomized Des…
ABSTRACK This study aims to determine the effect of applying NPKMg compound fertilizer and super K organic fertilizer and to get the best combination for the growth of oil palm seedlings in the main nursery, which was held from October 2020 to April 2021 in Sekijang Village, Tapung Hilir District, Kampar Regency. This research was conducted experimentally using a factorial Completely Rando…
ABSTRACT Instant porridge is a porridge that in serving does not require a cooking process because it has undergone previous processing. The instant properties expected in porridge make it easy to serve and store. This study aimed to obtain the best formulation of sweet corn and papaya on the characteristics and sensory characteristics of instant porridge based on SNI MP-ASI. This research…
ABSTRACT This study aimed to determine the best sucrose formulations, as well as the value of the maximum velocity (Vmax) and the constant Michaelis-Menten (KM) on microbial cellulose, is produced. This research was conducted experimentally using a non factorial Completely Randomized Design (CRD) with four treatments and four replications. The treatments in this study were the addition of …
ABSTRACT The purpose of this research was to determine the best concentration of Lactobacillus plantarum on the physical, chemical, microbiological and sensory qualities of coconut ivory ice cream. The research was conducted experimentally using a completely randomized design with four treatments and four replications. The treatments used in this study were Lp1 (control), Lp2 (addition of …