Salvinia molesta Mitchell (Fam. Philippines' Richest. Salvinia caena), the second most obnoxious aquatic weed after Eichhornia crassipes, has been introduced into the Philippines. Hong Kong's Richest. Salvinia spp. Salvinia molesta Mitchell has been declared an obnoxious weed by the Ministry of Agriculture, Plant Quarantine office. Irrigated and Rainfed Lowland Ricefields in the Philippines. There’s the chestnut munia ( Lonchura atricapilla ), which is the “true” maya, the real former national bird. It was introduced into Guimaras in 1984 as an ornamental plant and into Lucban, Quezon City in 1985 as an aquarium plant. This floating aquatic fern aside from being a pest in the irrigated rice fields (Sinohin and Cuaterno, 2002), also negatively affects the biodiversity and abundance of freshwater species including fish and submerged aquatic plants, and thus affects fishing activities, and boat travels. Weeds in . declared plant or its seed in this state. Philippine Rice Research Institute, Maligaya, Science City of Muñoz, Nueva Ecija, Philippines. Since introduction into Panay in 1981, it has spread rapidly throughout the island. Following the report of its presence, we reviewed its world wide distribution and surveyed its local range. Salvinia molesta Giant salvinia, Water fern, Salvinia, Kariba weed, Aquarium watermoss, velvet weed QP Rice BPI AO No. Giant salvinia (Salvinia molesta D.S. D-1 Series of 1985 Palm lethal yellowing phytoplasma (coconut lethal yellowing phytoplasma coconut lethal yellowing mycoplasma-like organism) Lethal yellowing of coconut QP coconut BPI AO No. 143 p. He says the arrival in recent years of a floating weed called Salvinia molesta on Lake Ossa, one of Cameroon's largest lakes, has led to a … In the Philippines, the word “maya” refers to more than one kind of bird. Salvinia molesta prefers tropical, sub-tropical or warm temperate areas of the world and grows best in still or slow-moving water bodies including ditches, ponds, lakes, slow rivers and canals. 3119 Nueva Ecija, Philippines ISBN: 978-621-8022-19-5. Small and stout, it has a black head and a reddish-brown body, and prefers open fields and grassy areas. There exist some agronomic potentials for the use of Salvinia biomass but any form of utilization that encourages its propagation will not be compatible with control. (2) Water fern (Salvinia molesta). It grows optimally at a water temperature of between 20°C and 30°C. Salvinia molesta was given recognition as a species in 1972 (Mitchell, 1972) and is grouped within the Salvinia auriculata complex, together with Salvinia auriculata Aublet, Salvinia biloba Raddi, and Salvinia herzogii de la Sota (Mitchell and Thomas, 1972). 2016. Mitchell) growing in three outdoor research ponds survived two north Texas winters during 1999-2000 and 2000-2001. Salvinia mulch is also applied to citrus plantations. Salvinia molesta is thought to have been introduced into the Philippines in Negros Occidental in 1979. Salvinia Molesta, an aquatic fern “Poor sanitation greatly contributes to water pollution in the Philippines leading to higher cost of water and secondly, affecting our rivers and lakes in terms of the reduction and production of aquatic life. Salvinia molesta and Pistia stratiotes, two aquatic floating ferns originating from South America, have been shown to have impressive water-repelling properties. This calls for a feasible, inexpensive an Suggested citation: Donayre DKM, EC Martin, SE Santiago, and JT Lee. other than Salvinia molesta) are also declared Class 1 - introduction into the state is prohibited, and landowners must take reasonable steps to keep land free of this species (throughout the entire state). All other salvinia species (i.e. In standing water it forms stable floating mats.