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…
This study aims to determine the effect of interaction and the main factors of boron fertilizer and NPK fertilizer application on the increase in the production component of oil palm (Elaeis guineensis Jacq.) and the best treatment. This research was conducted in Bencah Kelubi Village, Tapung District, Kampar regency. This study was conducted for seven months from May to November 2023. This stu…
ABSTRACT This study aims to explore and test the antagonistic power of rhizosphere bacteria from oil palm plants which can control Ganoderma sp. in vitro causes of oil palm stem rot disease. This study was carried out at the Plant Disease Laboratory, Faculty of Agriculture, Riau University. This study was carried out from June to October 2023. This research was conducted using a qualitative de…
Maize (Zea mays L.) is an important crop after rice and wheat. Maize production in Riau decreased by 16.562 ton in 2021 and 10.696 ton in 2022 caused by Spodoptera frugiperda J.E. Smith. S. frugiperda must be controlled so as not to reach the economic threshold, but many still use synthetic pesticides that cause resistance, resurgance, and explosions of secondary pests. An alternative is use a …
The productivity of oil palm plantations in Riau Province in 2021 in terms of oil palm plantations produced by smallholder plantations is still low compared to large state and private plantations. The low productivity of oil palm between smallholder plantations compared to large state and private plantations is due to poor management practices, one of which is frond management. Management of oi…
This study aims to determine the interaction effect and main factors of frequency of water administration and dosage of formulated Trichokompos TKKS on the growth and yield of shallots, as well as to obtain the best combination of frequency of water administration and dosage of formulated Trichokompos TKKS. This research was carried out experimentally in a factorial randomized block design with…
Oil palm (Elaeis guineensis Jacq.) is one of the leading plantation commodities of the palmae family. Oil palm plants are widely used as a source of vegetable oil. Oil palm plants also have an important role in the economic sector in Indonesia, especially Riau province. Oil palm plants are planted in the field not directly from seed but through a nursery process first. Nursery is a process of g…
The use of inorganic fertilizers is quite high and prolonged can have a negative impact on the soil environment. Reducing the use of inorganic fertilizers is by adding solid compost and biofertilizer Mucuna bracteata. This research aims to obtain the composition of the added biofertilizer Mucuna bracteata in increasing the growth and production of upland rice plants so that they can reducing th…
Lettuce is one of the vegetable plants that contain water, energy, protein, fat, rich in carbohydrates, fiber, sugar, calcium, iron, magnesium, phosphorus, potassium, sodium, zinc, copper, manganese, selenium, vitamin C, and several other vitamins. Solid is the waste from the by-products of fresh fruit bunch (FFB) processing in palm oil mills. Inorganic fertilizers are fertilizers resulting fro…
This study aims to investigate the combined effects of potassium fertilizer application and harvesting rotation on the production and quality of palm oil content in oil palm (Elaeis guineensis Jacq.) grown on peatlands. The research was conducted on a 3-hectare smallholder oil palm plantation located in Kepenghuluan Ujung Tanjung, Tanah Putih District, Rokan Hilir Regency. The study spanned 6 m…
The research aims to determine the effective concentration of Chromolaena odorata L. leaf powder extract on the mortality of laboratory-reared fall armyworm (Spodoptera frugiperda). The study was conducted at the Plant Pest Laboratory, Faculty of Agriculture, University of Riau, Bina Widya Campus KM 12.5, Pekanbaru, from January to March 2024. The experiment followed a completely randomized des…
Oil palm is one of the plantation commodities that has an important role in economic activities in Riau Province and in Indonesia. because it produces edible oil that is needed by the industrial sector. Riau Province in 2022, still the largest palm oil producing province in Indonesia. However, there are still obstacles in oil palm cultivation. Factors that hinder oil palm cultivation include th…
The area of smallholder oil palm plantations in Indonesia in 2019 reached 5.89 million. The average productivity of smallholder oil palm is relatively low, namely around 16 ton of fresh fruit bunches (FFB) ha-1 year-1. This is an indication for oil palm farmers to find planting patterns that can increase income, such as intercropping or intercropping. One of the plants that has the potential to…
Corn (Zea mays L.) is one of the most important food crops in the world after rice and wheat. Efforts to increase corn production in Indonesia have various problems, one of which is the attack of armyworms maize (Spodoptera frugiperda). This pest control can be done by using vegetable insecticides from noni leaf (Morinda citrifolia L.). This study aims to obtain a concentration of noni leaf ext…
Sansevieria macrophylla is one of the ornamental plants that has the economic potential to be cultived in Indonesia. Applying in-vitro culture to the sansevieria plants propogation which is enables the production of several superior new plants in a short amount of time. In-vitro propogation of Sansevieria uses explant from different size explant, along with addition of BAP and NAA to the cultur…
Siam lime in Riau is still not widely cultivated on a large scale, and the cultivated plants also do not meet the standards of quality plants. The purpose of this research is to study the effect of soaking duration in shallot extract and to determine the best soaking duration for the growth of siam lime (Citrus nobilis Lour) cuttings. This research was conducted at the Experimental Garden of th…
The availability of lime seedlings in Riau is insufficient to meet market demand, with many limes from outside Riau being traded. Therefore, it is necessary to expand lime cultivation in Riau, specifically in Pekanbaru. Quality seedlings can be obtained by using vegetative propagation methods such as cuttings. The use of the original cutting material and natural Plant Growth Regulators (PGRs) i…
Callosobruchus chinensis L. is pest of green bean in storage. C. chinensis pest control is usually performed using synthetic insecticides, however the unwise of them use can cause negative impacts to humans and the agricultural environment, then necessitating alternative insecticides that are safer and environmentally friendly such as Peperomia pellucida L.. The aim of this research is to find …
Sansevieria is a horticultural plant which is included in the ornamental plant group. One of the problems that is often encountered is that the availability of top soil as the main medium for plant cultivation has decreased due to certain factors. An alternative that can be done is to use unlicensed gold mining soil (PETI) combined with empty fruit bunches (EFB) compost and husk charcoal. One w…
Bitter melon (Momordica charantia L.) is a horticultural crop grouped as a fruit vegetable crop that is widely used in various dishes and is much favored by the public because it has many benefits, high nutritional content and also has a high selling value in the market. Cultivation of bitter melon is only carried out in small quantities in yard and moor land. Efforts can be made to increase bi…