ABSTRACT The way to get superior varieties is by selection, namely through genetic parameters which include diversity, heritability and genetic progress. This study aims to determine the genetic diversity and heritability of the performance of several genotypes of tomato plants in the lowlands. This study used a randomized block design consisting of 7 treatments and 3 replications to obtain 21…
ABSTRACT This research were aims to determine the effect of mycorrhizal biofertilizer in Inceptisol soil on the growth and yield of peanut plants and get the best treatment that can increase the growth and yield of peanut plants. This research was conducted in the experimental garden of the Faculty of Agriculture, Riau University from July 2022 to October 2022. The research was carried out exp…
ABSTRACT Production of sweet potatoes in Riau Province has decreased from 9,667 tons in 2018, 8,021 tons in 2019, to 7,305 tons in 2020, due to a decrease in harvested area of 490 Ha in 2018, 483 Ha in 2019, and 371 Ha in 2020. To increase production, efforts that can be done is by expanding the planting area by utilizing Inceptisol soil. However, Inceptisol soil has constraints in terms of it…
ABSTRACT Peanut (Arachis hypogaea L.) is a legume plant belonging to the Fabaceae family. Peanut production has decreased from year to year. This is presumably due to improper cultivation methods and limited soil carrying capacity. Efforts made to increase peanut production are through organic and inorganic fertilization, namely by applying oil palm empty fruit bunches (OPEFB) compost and NPK …
ABSTRACT Oil palm plantations have become a profitable business, so that state, private and community plantation companies cultivate oil palm. The area of oil palm plantations in Riau Province in 2019 amounted to 2,806,349 ha. The suitable climate makes oil palm plants in Indonesia including in Riau cultivated on every type of soil available, most of which are acid mineral soils. Acid mineral …
ABSTRACT This study aims to determine the effect of single factors and the interaction of magnesium and potassium fertilizer application on the production of oil palm plants (Elaeis guineensis Jacq.) on peatlands and receive the best treatment. This research was conducted in Kepau Jaya Village, Pantai Raja District, Kampar Regency. The study was conducted for seven months from June to December …
ABSTRACT This study aims to determine the influence of single factors and the interaction of NPK fertilizer and magnesium fertilizer on over-pruning plants on the production component of oil palm plants (Elaeis guineensis Jacq.) and get the best dose. This research was conducted in Kepau Jaya Village, Siak Hulu District, Kampar Regency. The study was conducted for seven months from April to Oct…
ABSTRACT Efforts that can be made to increase rice production in Riau are intensification and extensification. One of them is the use of dry land on Ultisols soil, but has some problems. Because of that, giving liquid organic fertilizer (LOF) banana weevil and fertilizer N, P, K is expected to increase the fertility of Ultisols. This research was conducted experiments using a completely random…
ABSTRACT The mealybug Dysmicoccus brevipes Cockerell is one of the most important pests on pineapple plants. Losses due to mealybug attacks reach 69-73%. To prevent its spread and determine control measures, it is necessary to study the population and distribution of the pest. This research The aim of this research was to determine the presence of mealybugs and identification of mealybugs on an…
ABSTRACT Shallots (Allium cepa L.) is a widely consumed horticultural commodity that offers numerous benefits, such as acting as an antibiotic substitute and aiding in reducing blood pressure, cholesterol, and blood sugar levels. The production of red onion is hindered by the damping-off disease caused by F. oxysporum. The growth of Aloe vera is greatly influenced by proper cultivation practic…
ABSTRACT Spodoptera litura Fab. is a pest that attacks corn plants in the vegetative and generative phases. According to research, S. litura can cause up to 85% damage if S. litura not controlled and cause crop failure. The part of the gadung plant that is utilized as a botanical insecticide is the gadung bulb. This study aims to obtain an effective concentration of gadung tuber extract to con…
ABSTRACT The purpose of this study is to identify the fungus that causes the shallot moler disease in Rumbai Bukit, Rumbai subdistrict, Pekanbaru, as well as to test and obtain chitosan concentrations that are more capable to inhibiting the growth of the F. oxysporum cause of moler disease in shallots. Both experiment and observation were used in this study. Observational investigation, namely…
ABSTRACT Red onion productivity in Indonesia, especially in Riau province, is still low, mainly due to environmental factors. One of the factors that determine red onion plant production is water availability. Water availability for shallot growth can be increased through the application of organic materials, one of which is cow manure. This study aims to determine the response of the interact…
ABSTRACT This study aims to determine the population density of earthworms in smallholder rubber and upland rice plantations. This research was conducted in Pulau Payung Village, Kampar District in smallholder rubber and upland rice fields. This research was conducted from November to Januari 2021. Determining where to take soil samples using purposive method. Soil sampling was carried out…
ABSTRACT Jengkol is a typical plant from the Southeast Asian region, especially in Indonesia which has spread the various parts of Indonesia. The part of jengkol plant can be use as a vegetable pesticide is the jengkol peel. Jengkol peel contains alkaloids, saponins, flavonoids, and tannins. The aim of this study was to obtain an effective concentration of jengkol peel extract to control Spodo…
ABSTRACT Planting media factor in nursery needs to be considered because it affects the success of the nursery. The research was conducted at the Experimental Garden of the Faculty of Agriculture, Riau University. This research is a factorial experiment consisting of 2 factors, namely: First factor: Treatment of TKKS compost consists of 4 levels: K0 : Without TKKS Compost Fertilizer, K1: 30 g.…
ABSTRACT The entomopathogenic fungus Beauveria sp. has a fairly wide host range and has a high level of virulence against the target pest. Beauveria sp. infects pest trought the cuticle by producing secondary metabolites and toxins that can accelerate the destruction of the target pest cuticle. This research aims to obtain the concentration of the local isolate Beauveria sp. which is effective…
ABSTRACT This study aims to determine the influence of planting media and chicken manure on the growth and yield of red ginger plants and get the best combination and find out the factors of planting media and manure factors on the growth and yield of red ginger plants on the growth of red ginger plants. The study was conducted in the form of an experiment with a factorial complete randomized …
ABSTRACT This research aims to determine the effect of the interaction between vermicompost and urea fertilizer, as well as knowing the best dose of each single factor on the growth and production of kailan (Brassica oleracea L.) in Ultisol media. This research was conducted at the Experimental Garden of the Faculty of Agriculture, Riau University, from February to March 2023. This research is …
ABSTRACT This study aims to obtain the type of endophytic Trichoderma virens consortium substrate from oil palm to control Ganoderma boninense that causes basal stem rot (BSR) disease in oil palm main nurseries. This research was carried out at the Experimental Garden and Laboratory of Plant Disease Faculty of Agiculture, Riau University from April-November 2021. This research is an advanc…