Yellow stem borer, gallmidge, brown planthopper, green. Caterpillars bore central shoot of seedlings and tillers leading to death of central shoot called dead heart. Incidences and spatial distribution of stem borers in rice crop in kahama district. Abstract a field experiment was conducted at grape research station, rajendranagar for a period of two years 2011 on six year old. Efficacy of ecofriendly insecticides against yellow stem. Limited resistant sources are available for this borer insect to develop resistant varieties. A leafsection bioassay for evaluating rice stem borer resistance in. Stem borer damage also seemed to reduce the elongation ability of the rice stem causing them to rot.
Integrated management of cereal stem borers and striga weed. Of the various major pests, the stem borer insect is the most dangerous enemy to the paddy plant. Yellow stem borer how is yellow stem borer abbreviated. Lepidoptera the pest is widely distributed in all asian countries, monophagous and is a major pest on rice in india. Evaluation of different insecticides and botanical extracts. Economic impact it is very difficult to quantify the economic impact of rice stem borers including s. Diversity and functional significance of cellulolytic microbes living in termite, pillbug and stemborer guts. It is the most abundant stem borer in tropical lowland rice anddeepwater rice and is a damaging pest as it attacks allthe stages of the rice crop. Pest borer control stop boring larvae from damaging your plants. Stem damage had a negative influence on the stem density, with reduced panicle density and grain yield.
Khan international centre for insect physiology and ecology icipe maize is the most important cereal crop, which serve as staple food for millions in subsaharan africa. Seasonlong control of yellow stem borer, scirpophaga. A stemborer stem borer is any insect larva, or arthropod, that bores into plant stems. Transgenic microrna14 rice shows high resistance to rice stem borer kang he1, huamei xiao2,3, yang sun3,4, simin ding1, gongming situ3 and fei li1, 1institute of insect sciencesministry of agriculture key laboratory of molecular biology of crop pathogens and insect pests, college of agriculture and biotechnology. The larva of this moth feeds only the internal tissue that the. The larval stage borer damages plants by destroying internal plant tissue as they feed. Clipping of seedling before transplanting for prevention egg laying. Pyralidae, is an important pest of rice, oryza sativa l.
Aug 30, 20 diversity and functional significance of cellulolytic microbes living in termite, pillbug and stem borer guts. Find stem borer stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. Population dynamics and management of yellow stem borer. Rice stem borer yellow stem borer scirpophaga incertulas pyralidae. Other stem borers on rice include dark headed borer,chilo suppressalis. Green and yellow list maize stem borer busseola fusca, chillo partellus, chillo orichocellelus, sesamiacalamistis stem damage on maize stalk by african maize stem borer anne bruntse biovision stalkborer larvae about 8 mm feeding inside maize stem.
Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of the family crambidae. Among them yellow stem borer scirpophaga incertulas walker is the most destructive and widely occurring insect pest of rice at all stages of the crop due to its monophagy to rice. Management of rice yellow stem borer, scirpophaga incertulas. Evaluation of different insecticides and botanical. Pdf rice crop is affected by many insect pests like white stem borer, yellow stem borer and pink stem borer. The stem borer larvae bore at the base of the plants during the vegetative stage.
The yellow stem borer ysb, scirpophaga incertulas, is a prominent pest in rice cultivation causing serious yield losses. Pdf on jan 1, 2010, kaushik chakraborty and others published extend of yellow stem borer find, read and cite all the research you need on researchgate. The firststage ysb larvae cut small holes in the stem of the paddy plant and enter the plant tissue, remaining there for the rest of their lives as larvae and pupae. Pdf onfarm evaluation of integrated management of rice. Pdf biochemical constitution of 22 rice accessions showing susceptible, moderately susceptible. India and 25 yellow stem borer insect larvae were collected from the paddy fields.
Pcr analysis of t2 progeny plants resulted in the recovery of up to 4% marker free transgenic rice plants. So, in all the rice growing areas this insect or moth pest is available. Look for dark or discolored areas with sap and sawdustlike residue on or around host plants. Soil application of silicon reduces yellow stem borer, scirpophaga incertulas. Diversity and functional significance of cellulolytic. Integrated management of cereal stem borers and striga weed in maizebased cropping systems in africa z. The pink borer sesamia inferens walker lays spherical, yellowish white eggs in batches of 30100 eggs in two to three parallel lines on the leaf sheaths or the leaf surface. Pest life cycle disrupted prior to egg laying unlike insecticides no. Moths shoot tip moths several families clear wing moths. If rice is attacked in the vegetative stage, the yield loss varies, but if the infestation happens during the booting stage the yield loss could be as high as 9095%. Determination of the effect of nursery and post planting application with certain new ecofriendly insecticides on the incidence of rice yellow stem borer. Its larva feeds on rice culm at the lower end part, causing the tiller to chlorosis due to undernutrition. The pink borer larvae are distinctly pink in color, while the chilo larvae are creamy in color with dark spots kishore, 1996b. Vijaya grape researchstation,srikondalaxman telanagana state horticulture university, rajendranagar, hyderabad, india.
New insights into an rnai approach for plant defence against piercing. Newly emerged larva enters into the stem for feeding on inner tissues at vegetative and reproductive stage of the crop. Insect bioassays revealed complete protection of transgenic plants from yellow stem borer infestation. Rice yellow stem borer ysb, scirpophaga incertulas walker is one of the important internal insect pest causing serious damage to rice growing areas recently. Progeny analysis confirmed stable inheritance of the bt gene according to the mendelian 3. Striped stem borer how is striped stem borer abbreviated. Thousands of new, highquality pictures added every day. Control of yellow stem borer, scirpophaga incertulas walker, in rice was attempted by mating disruption using the natural ratio of pheromone components, a 1. Pdf generation of markerfree bt transgenic indica rice. Printable pdf click on images to see larger view stem borers in the genus oberea are an eastern united states pest of blueberries, blackberries, huckleberries, azalea, rhododendron, and laurel. Periodicity in the frequency of calling and quality of pheromone in volatile emissions of the spotted stalk borer, chilo partellus.
Among five species of stem borers, yellow stem borer scirpophaga incertulas walker referred as ysb in the paper, divested the crop in eastern india. On older plants, they bore through the upper nodes and feed toward the base. The present investigation focused on the evaluation of a diverse collection of germplasm materials for resistance to ysb damage. Pdf generation of markerfree bt transgenic indica rice and. Management of rice yellow stem borer, scirpophaga incertulas walker using some biorational insecticides sitesh chatterjee1 and palash mondal2 abstract the experiments were carried out to study the performance of some biorational insecticides against yellow stem borer, scirpophaga incertulas walker in boro rice at rice research station, chinsurah. Pdf integrated management of rice stem borers in the. It is found in aquatic environments where there is continuous flooding. The yellow stem borer ysb, scirpophaga incertulas walker lepidoptera. Harvesting done at the base of plant in order to avoid pupae remain in the field. Pdf study of paddy stem borers population dynamics and. Transgenic elite indica rice plants expressing cryiac.
Larval feeding of ysb from inside stem pseudostem severs central part of tiller at its base resulting in drying of central whorl rendering the. Insect pests are classified into two groups, such as major pests and minor pests. Effectiveness of the entomopathogenic fungus beauveria bassiana bals. Molecular markers for yellow stem borer scirpophaga incertulas.
Seasonal incidence of rice yellow stem borer scirpophaga. Rice yellow stem borer ysb, scirpophaga incertulas walker is one of the important. New insights into an rnai approach for plant defence against. Mar 18, 1997 yellow stem borer ysb, scirpophaga incertulas, is most certainly the major contributor to these losses. The rice striped stem borer chilo suppressalis walker, the yellow stem borer scirpophaga incertulas walker, and the pink stem borer sesamia inferens walker are. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Onfarm evaluation of integrated management of rice yellow stem borer scirpophaga incertulas walk. Mining the biomass deconstructing capabilities of rice yellow. Breeding for yellow stem borer resistance in rice is difficult owing to the complex genetics of the trait and inherent difficulties in screening. However the term most frequently refers among the coleoptera to the larva of certain longhorn beetles such as dorysthenes buqueti and those of the genus oberea, and among the lepidoptera to certain moths of the crambidae, castniidae, gelechiidae, nolidae, and pyralidae families. Yellow stem borer appears to be well adapted to the aquatic environment of deepwater rice and is reported to cause an annual average yield loss of about 1720% in bangladesh and thailand catling et al. Dead heart white ears yellow stem borer infested field. This moth causes the highest percentage of damage of the paddy plant.
Plant materials a set of 44 diverse genotypes that comprises of released varieties, hybrids and selected genotypes from germplasm collection were screened for yellow stem borer resistance under artificial screening methods. More control information on specific species of borers like european corn borers, iris borers and squash vine borers can be found below. Scirpophaga incertulas is a moth known as rice yellow stem borer. Entostat powder is naturally occurring, solvent and propellant free. Evaluation of rice genotypes for resistance to yellow stem. We report on generation of marker free clean dna transgenic rice oryza sativa, carrying minimal geneexpressioncassettes of the genes of interest, and evaluation of its resistance to yellow stem borerscirpophaga incertulas lepidoptera. Pdf management of rice yellow stem borer scirpophaga. Pdf rnaseq of rice yellow stem borer scirpophaga incertulas. The rice striped stem borer chilo suppressalis walker, the yellow stem borer scirpophaga incertulas walker, and the pink stem borer sesamia inferens walker are the most injurious insect. Late season stem damage reduced the number of filled grains, mean grain weight and panicle weight and increased grain sterility. Stem borer scirpophaga is a serious paddy pest in india, pakistan, burma, sri lanka, china, japan formosa, philippines and indonesia. The experiments were carried out to study the performance of some biorational insecticides against yellow stem borer, scirpophaga incertulas walker in boro rice. It is found in afghanistan, nepal, northeastern india, sri lanka, bangladesh, myanmar, vietnam, thailand, malaysia, singapore, sumatra, java, borneo, sumba, sulawesi, the philippines, taiwan, china and japan. Notice brown frass deposits anne bruntse biovision.
835 581 305 331 950 2 1037 388 114 1059 1412 979 737 774 1302 646 1087 1501 1183 1038 1369 578 1466 1183 1284 518 242 585 533 988 641 505 856 726 171 1208 1442 315 1494 1437 1477 85