ABSTRACT Green beans have a potential to be developed. Effort that can be made is by using marginal soils; Inceptisols, Ultisols and Histosols that dominate the Riau Province, wich have low P availability. The usage of rock phosphate (RP) and TSP in marginal soils can overcome P deficiency and can be used as a soil acidity repairs. The aim of this research is to know the effect of phosphat…
ABSTRACT Pod Borer (Etiella zinckenella) is a major pest in soybean cultivation. The chemical pesticides used in agriculture are causing various detrimental effects on our health as well as on environment. Botanical pesticides such as betel nut (Areca catechu L.) is an alternative pest control to reduce the use of synthetic chemical pesticides. This research was conducted in the plant pest…
ABSTRACT Cocoa plant (Theobroma cacao L.) is an important plantation crop for the national economy. The problem in large scale cacao nurseries is the limitation of top soil as a planting medium. Ultisol soils are widely distributed in Indonesia and are classified as marginal, so efforts are needed to improve soil fertility. The research aims to produce cacao seedlings that grow well even t…
ABSTRACT Red binahong (Basella rubra L.) is a plant that contains medicinal secondary metabolites. The problem in the development of medicinal plants is low levels of secondary metabolite. Tissue culture is one solution in producing secondary metabolites in large quantities. The aims of this research were to determine the effect and the best combination of 2,4-D and kinetin in inducing ca…
ABSTRACT This study aimed to examine the interaction of AMF with NPK fertilizer on the growth and production of shallots. The research was carried out at the UPT Experimental Gardens, Faculty of Agriculture, Riau University, for four months starting from September 2019 to December 2019. The research was carried out experimentally using a 2-factor completely randomized design (CRD). The first f…
ABSTRACT This study aims to produce lemon seedlings from various cuttings origins with good quality standards. The research has done at the Kebun Percobaan of Agriculture Faculty, University of Riau, Bina Widya Campus KM 12.5, Simpang Baru, Bina Widya District, Pekanbaru. The research was conducted for three months from July to October 2018 and conducted experimentally using a completely rando…
ABSTRACT This research aimed to determine the primary effect of gibberellin concentration and plant spacing, the effect of the best gibberellin concentration at the same plant spacing and the effect of the best plant spacing at the same gibberellin concentration towards the growth and yield of mung bean plants. The research was conducted in the Experimental Field at Faculty of Agriculture, Uni…
ABSTRACT Corn (Zea mays L.) is a strategic commodity in the development of indonesia agricultural and economic sectors. Pest attacks on corn are an obstacle in the cultivation of corn crops. Spodoptera frugiperda J. E. Smith is one of the pest of the corn plant which can cause production loss of up to 73% if the affected plant population reaches 100%. Control using vegetable insecticide extrac…
ABSTRACT Red chili plant (Capsicum annum L.) is a horticultural plant that has high economic value in Indonesia. Pest attacks on red chili plants are an obstacle in the cultivation of red chili. Armyworm caterpillars (Spodoptera litura F.) are pests of red chili plants that can cause yields to decrease up to 80%. The control using local entomopathogenic fungi Beauveria bassiana is an effort to…
ABSTRACT Siamese orange (Citrus nobilis Lour) is a horticultural plant having the main pest, the fruit fly Bactrocera sp. The solution is eviromentally friendly control is the use of trap combined with the attractant of lemongrass (Cymbopogon nardus L.). The purpose of this study is to get the dosage of lemongrass oil which is ablest to trap most fruit fly on citrus plants. This research was c…
ABSTRACT Lowland rice is one of the most important food crop commodities in Indonesia. Rice production in Indonesia has not been able to meet the needs of the community. This is due to the low availability of phosphorus in ultisol soils. Efforts that can be made to increase the content of phosphorus nutrients are by giving PSB. PSB has the ability to dissolve phosphorus from an unavailable for…
ABSTRACT This study aims to determine the effect and the number of applications of biological fertilizers and biological agents, as well as the combination of applications of biofertilizer and biological agents for the growth and yield of red chili plants. This research was carried out experimentally arranged according to a factorial Completely Randomized Design (CRD) with two factor. The first…
ABSTRACT Chili plant (Capsicum annum L.) is one of the horticultural commodities, the main pest is Aphis gossypii Glover aphids with attacks ranging from 10-30%. A safe and environmentally friendly control measure for A. gossypii is to use krinyuh leaf extract. The purpose of this study was to obtain a concentration of krinyuh leaf extract which was effective against A. gossypii pest mortality…
ABSTRACT Pests that attack on corn crops in storage are corn powder pests (Sitophilus zeamais M). Pest control can be done by using chrysanthemum (Chrysanthemum indicum) This research aims to obtain an effective dose of chrysanthemum flour against the mortality of corn powder pest Sitophilus zeamais M. Research has been conducted in the Plant Pest Laboratory of the Faculty of Agriculture, Riau…
ABSTRACT Palm oil mill effluent (LCPKS) contains macro and micro elements that are potential to be used as a source of nutrition for oil palm seeds, given at different concentrations to get the best concentration capable of producing quality seeds according to PPKS recommendations. This research used inceptisol medium. The LCPKS were taken from the PTPN V Tandun Palm Oil mill shelter, Kampar R…
ABSTRACT The main pest that attacks cocoa crops is Helopeltis theivora Waterhouse. The Helopeltis theivora pest can cause a loss of 60%. Helopeltis theivora pest control generally still use synthetic chemical insecticides because they can control pests quickly and efficientlly. The control using botanical pesticides extracts of forest betel fruit (Piper aduncum L.) is an alternative to overcom…
ABSTRACT The increase in soybean production on peat soils through the application of a combination of Leguminous litter and inorganic fertilizers with microbial technology is not yet known. Accordingly, this study aims to determine the response of growth and yield of soybean (Glycine max L.) to the application of several combinations of leguminous litter and inorganic fertilizer with microbial…
ABSTRACT Cocoa (Theobroma cacao L.) is a plantation commodity that has an important role in economic activities in Indonesia and is a potential foreign exchange earner. One of the main obstacles in cacao cultivation in Indonesia is the attack of cocoa pod sucking pests (Helopeltis theivora Waterhouse). This study aims to obtain an effective concentration of betel nut to control fruit-sucking p…
ABSTRACT This Setothosea asigna is one of the main pests that attack oil palm. S. asigna pest control can be done by using insecticides cypermethrin, Bacillus thuringiensis, Beauveria bassiana and Azadirachta indica. The aim of this study was to determine the ability of various insecticide products to control S. asigna. research was carried out experimentally using a completely randomized desi…
ABSTRACT This research aims to know the effect of using some natural plant growth regulator concentration for the best growth of pepper seeds. This study was performed in the experimental Garden of The Faculty of Agriculture University of Riau Pekanbaru from September to November 2019. The research uses Completely Randomized Design (CRD) experiment with four treatments namely without natural p…