Cassava (Manihot esculenta Cranzt.) is a species that has high adaptability to acidic and poor nutrient soil in Riau Province. This province has high cassava genotypes that distributed in several districts, including Rokan ...

Lopang plants are annual herbaceous plants that have been cultivated in Riau Province. This plant grows creeping and dominantly growing in open land which is used as a fields. This plant is used as a vegetable and is ...

Sour eggplant or dayak eggplant (Solanum ferox L.) is a flowering plant, member of Solanum genus and Solanaceae family. This plant is found in almost all areas of Central Kalimantan and Riau. Sour eggplant is one of ...

Jengkol (Archidendron pauciflorum) is a native plant from Southeast Asia. This plant is classified into family Fabaceae. Jengkol fruit has a unique stench due to djenkolic acid. Jengkol is frequently used as medicine ...

Petai (Parkia speciosa) is an annual tree species of the legume tribe. Petai plants are widely found in tropical region. Petai is also known as a medicinal plant because it is useful as an antioxidant, antidiabetic, ...

Rotan getah (Calamus angustifolius Griff.) is a species of plant from the Arecaceae family which belongs to the large-sized rattan group with a height of up to 40 m. This plant is commonly used, especially by the people ...

Polymerase Chain Reaction (PCR) is a technique that aims to amplify DNA in vitro. Optimizing annealing temperature is one of the important factors that can determine the success of the PCR process. This study aimed to ...

Cassava (Manihot esculenta Crantz.) is a wellknown plant in the world, especially in tropical countries. In Indonesia, cassava is the third primary food after rice and corn. Province of Riau has several varieties of cassava ...