ABSTRACT Red onion are plants originating from Asia that have high selling value. Red onion cultivation can be done on inceptisol land which generally has low nutrient availability. One effort to increase nutrient availability is by adding biological fertilizers, but biological fertilizers alone are not able to meet the nutrients needed by red onion, so they are combined with NPK fertilize…
ABSTRACT This research aims to determine the interaction of EFB compost and NPK fertilizer and EFB compost factors, NPK factors on peanut growth and production and to get the best dose to increase peanut growth and production. The research was conducted eksperimentally using a completely randomized design. The first factor of EFB compost dosage consists of 4 levels (0,10, 15 and 20 ton.ha-1)…
ABSTRACT Erionota thrax is a pest of Musa paradisiaca. This study aimed to obtain the best concentration of local entomopathogenic nematode Steinernema carpocapsae against mortality of E. thrax in the laboratory. The research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, Riau University from February to April 2024 using a completely randomized design (CRD) consisting …
ABSTRACT Chrysodeixis chalcites is an important pest of Glycine max. The study aimed to obtain the best concentration of local entomopathogenic nematode S. carpocapseae against mortality of C. chalcites. The research was conducted at the Plant Pest Laboratory, Facultyof Agriculture, Riau University from March to May 2024. This research has been carried out by using a completely randomized …
ABSTRACT Nutmeg cultivation was done by generative propagation using seeds to support the provision of seedlings in large quantities. Generative propagation of nutmeg plants has the problem that nutmeg seeds have physical dormancy, so it takes a long time to germinate. One of the efforts that can be done to break the dormancy of nutmeg seeds was by soaking nutmeg seeds in gibberellin solut…
Paddy is a main food crop in Indonesia that contains nutrients such as carbohydrates, protein, fat, fiber, and vitamins. The increase paddy production still experience obstacles such as Scotinophara coarctata Fabricius pest attacks which can cause yield losses of 35% if the reaches the economic threshold clump of paddy plants. Plants that have the potential as botanical pestiside are bintaro pl…
This research aims to study the effect of interaction, the main effect and get the best combination of solid compost and Calcium Nitrate fertilizer on the growth and production of shallot plants. This research was conducted experimentally in the form of a 3 x 3 factorial using a complete randomized design (CRD). Factor I solid compost consists of 3 levels (0, 10 and 15 t.ha-1) and factor II Cal…
Bagworms attack many oil palm plantations in Riau Province especially PTPN V Sei Galuh Kampar Regency. The abundance of bagworm pest population in an oil palm plantation ecosystem is important to be observed to carry out effective control efforts. This study aims to obtain the type and population of bagworms in oil palm (Elaeis guineensis Jacq.) plants produce in PTPN V Sei Galuh Kampar Regency…
Upland rice (Oryza sativa L.) is the main food crop as a source of energy that is generally consumed by the people of Indonesia. This study aims to determine the interaction between the treatment of vegetablewaste compost and compound NPK fertilizer, as well as the single factors of vegetable waste compost and compound NPKfertilizer treatmenton thegrowth and yield of upland riceplants. This res…
Moler disease is caused by a soil-borne pathogen, namely the fungus Fusarium oxysporum f.sp cepae. This disease can result in crop failure because it causes high yield losses (>50%). Resistant varieties can be used to protect moler disease crops and help farmers reduce the risk of yield loss. This research aims to obtain shallot plant varieties that are relatively resistant to attacks by Fusari…
This study aims to determine the effect of interaction and the main factor of Mg fertilizer and the best dose of NPK fertilizer on the production components of twelve year old oil palm plants. This research was conducted in Bencah Kelubi Village, Tapung District, Kampar Regency. This research was conducted for seven months from May to November 2023. The method used was a factorial complete rand…
This study aims to determine the effect of genotype × environment interaction on curly chili plants in two peat soil locations and determine the stability and adaptability of curly chili varieties and strains based on Finlay and Wilkinson. This study used a group randomized design with 4 genotypes and 3 replications, so there were 12 experimental units per location conducted in two different l…
Mung bean plants are leguminous plants which have nutrients, namely carbohydrates, protein and vitamins (B1, A, and E). Efforts to optimize the growth of mug beans include adding nutrients with fertilization. This research aims to determine the interaction of providing liquid organic fertilizer byproduct of tilapia fish and NPK, as well as the main influence of each on the growth dan yield of m…
This study aims to determine the interaction of vermicompost and Mono Potassium Phosphate, the factors of vermicompost and Mono Potassium Phosphate and get the best combination of vermicompost and Mono Potassium Phosphate doses on the growth and production of mung bean plants. The research was conducted using a completely randomized design consisting of two factors and three replications. The f…
The control of leaf fall disease that many farmers generally use is synthetic fungicides, however the use of synthetic fungicides is not environmentally friendly. Environmentally friendly control of leaf fall disease is by using the biological agent Trichoderma spp. The aim of this research was to determine the type of fungus that causes the leaf fall disease Pestalotiopsis rubber based on the …
This study aims to obtain the best combination of solid compost, NPK and biofertilizer enriched with Mucuna bracteata in order to reduce the use of NPK fertilizer in increasing the growth and production of shallot plants. This research was conducted from May to August 2023 at the experimental garden of Riau University. The method used was a non-factorial completely randomized design (CRD) consi…
The utilization of Dystrudepts as oil palm planting area has several problems such as high sand content, very low klei, low water holding ability, C-organic, KTK and interchangeable base levels (Ca, Mg, K, Na). Efforts to overcome these obstacles are with fertilizers that have slow release properties such as KCaMgS compound fertilizers combined with soluble fertilizers such as KCl. This researc…
Efforts to control pests in plant cultivation are recommended to use vegetable pesticides because they are not harmful to people or the environment. Gadung tubers (Dioscorea hispida) have potential as a vegetable pesticide. This research aims to obtain a concentration of gadung tuber extract that is effective in controlling corn armyworm pests. Observation parameters consist of initial time of …
Corn has a strategic role in the national economy as food, feed and industrial raw materials. Corn productivity in Riau decreases every year, one of which is caused by attacks plant pests, Spodoptera frugiperda J. E. Smith. This pest attacks the growing point of the plant which is marked by larvae scratches. Lime leaf (Citrus aurantifolia Swingle) a plant that has potential as a botanical insec…
Sycanus spp. is a common predator in oil palm plantations. These predatory insects have a variety of prey, and the level of attack from Setothosea asigna can decrease production by up to 40%. This study aimed to obtain biological information on Sycanus spp. using the larvae of Spodoptera frugiperda as an alternative prey in the laboratory. The research was conducted at the Pest Laboratory, Facu…