ABSTRACT This research aims to determine the effect of the interaction between vermicompost fertilizer and mycorrhizal, the single factor of each treatment, and to obtain the best combination of vermicompost fertilizer and mycorrhizal on the growth and yield of peanuts (Arachis hypogaea L.) in Ultisol medium. This research was conducted at the Experimental Garden of the Faculty of Agriculture,…
ABSTRACT This study aims to obtain biochemical physiological characters and to test endophytic bacteria that have antagonistic activity against Xanthomonas sp. This research was conducted with experimental methods and observation methods. Endophytic bacterial antagonist test against Xanthomonas sp. in vitro with experimental methods was carried out using a completely randomized design (CRD) wi…
ABSTRACT The paddy production is decreasing due to land characteristics that are not suitable for its crop requirements. This study aims to identify the inhibiting factors of growth and production and evaluate land suitability based on the factors that inhibit growth and production paddy fields. The research method used is a soil survey. Soil sampling points were determined based on the overl…
ABSTRACT Corn is a cereal plant that is very popular in Indonesia. The main problem in corn cultivation is Spodoptera frugiperda J. E. Smith attack. Botanical pesticide of forest betel (Piper aduncum L.) can be the alternatif to controling S. frugiperda in a safe way. The purpose of this study was to obtain an effective extract concentration of forest betel to control S. frugiperda. The resea…
ABSTRACT The research aims to determine the effect of interaction along with the best dosage between palm oil sludge and TSP fertilizer in increasing growth and yield of Soybean, The research was conducted at Experimental Garden of Agriculture Faculty, University of Riau, from March 2020 to July 2020. This research is a factorial experiment was arranged using Completely Randomized Design (CRD…
ABSTRACT Sitophilus oryzae L. is a pest that can destructive and lower the quality of rice in storage. The recommended control is using plant based insecticides using great morinda seed (Morinda citrifolia L.). This research aims to obtain a dose of great morinda seed flour (Morinda citrifolia L.) that is effective in controlling the pest S. oryzae on rice in storage. The research was cond…
ABSTRACT The Rhinoceros beetle (Oryctes rhinoceros L.) is the main pest on oil palm plantations (Elaeis guineensis Jacq.). An environmentally friendly control of O. rhinoceros is by using botanical pesticides extracted from bintaro leaf flour (Cerbera manghas L.). The research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, Riau University. The study was conducted from …
ABSTRACT This study aims to select the endophytic fungi of acacia plants which have the best antagonistic potential as biological agents against fungi Ceratocystis sp.. The study was conducted at the Laboratory of Plant Protection Departement PT. Arara Abadi, Desa Pinang Sebatang, Kecamatan Tualang, Kabupaten Siak, Riau. The study was conducted for six months from March 2019 to August 2019…
ABSTRACT This study aims to determine the effect of the application of palm oil mill boiler ash on different media on the growth of oil palm seedlings and find the best dose of palm oil mill boiler ash that produces the best growth of oil palm seedlings in the prenursery. This study used a split plot design, consisting of two factors with three replications. The main plot is media consisti…
ABSTRACT Increasing the productivity of lowland rice can be done by offering P fertilizer using the System of Rice Intensification (SRI). Optimal growth in plants is determined by the availability of Phosphorus (P) in the soil medium. The available P nutrients were increased by P fertilization. This study aims to determine the interaction effect of multiple doses and timing of application …
Sweet corn is one of the most popular agricultural commodities in Indonesia. The low productivity of sweet corn in Riau Province is caused by the use of poor planting media such as Ultisol. Whereas Ultisols land has the potential to be developed in Riau. Ultisols soil constraints include the very low content of organic matter, which causes low productivity levels. Efforts that can be made t…
ABSTRACT Sansevieria or mother-in-law's tongue is a succulent leaf ornamental plant from the Agavaceae family, has beautiful and diverse shapes and colors. Sansevieria became popular because it can absorb air pollutants. Compounds that can be absorbed by Sansevieria are chloroform, formaldehyde, trichloroethylene, benzene, and xylene. Sexual propagation is less efficient because growth and…
ABSTRACT Spodoptera frugiperda J. E. Smith are the main pests that are very damaging to corn plant. One way to control S. frugiperda pests is to use botanical insecticide betel nut seed (Areca catechu L.). This study aims to obtain a concentration of betel nut seed extract (Areca catechu L.) that is effective in controlling corn fall armyworm pests (Spodoptera frugiperda J. E. Smith). The …
ABSTRACT Shallot productivity can be increased by taking into account the right fertilizer factor and the potential of the seeds used. The study of potassium and manure dosages and seed size were carried out to get the best treatment in increasing growth and yield. The study was conducted in the Experimental Garden of the Faculty of Agriculture, University of Riau, from February to April 2…
ABSTRACT This study aims to increase growth and production by providing organic and inorganic fertilizer formulas with various insecticides on red chili (Capsicum annuum L.). The research was conducted at Langsat Permai Village, Bunga Raya District, Riau Province from June to November 2020, in a factorial completely randomized experimental design in three replications. The first factor is …
ABSTRACT This study aims to determine the effect of fertilizer application, the effect of insecticide application, the interaction of the use of fertilizers and various types of insecticides on the growth and production of rice plants and to determine the combination of the use of fertilizers and the application of the best types of insecticides on the growth and production of rice plants.…
ABSTRACT This research aims to determine the interaction effect of vermicompost and to obtain the best dose for the growth and production of mung beans (Vigna radiata L.). The study was conducted using a factorial Completely Randomized Design (CRD) consisting of 2 factors, namely the provision of vermicompost with four levels, namely (0, 5, 15, and 25 ton.ha-1) and Planting Distance with t…
ABSTRACT Bemisia tabaci Genn. is a pest of red chili plants. Bemisia tabaci Genn pest control is usually carried out using synthetic chemical insecticides, but inappropriate use will have a negative impact on the environment, so another alternative that is safer and more environmentally friendly is the use of botanical insecticides papaya leaf powder extract. This study aimed to obtain a …
ABSTRACT The objective of this study was determine the growth and yield of 10 tomato plant genotypes that are adaptive in the lowlands. This study used a randomized block design (RAK) consisting of 10 treatments and 3 replications so that there were 30 experimental units. The characters observed were age at flowering plant height, stem diameter, harvest age, fruit weight per plant, number …
Abstract This study aims to screen and observe the antagonicity of endophytic fungi from sugar palm plants and to obtain the highest antagonicity of endophytic fungi which are potential as biological agents against G. boninense the cause of stem rot disease of oil palm plants. The study was conducted at the Laboratory Plant Protection, Faculty of Agriculture, Riau University. This study us…