Insect pests of rice books international rice research institute. Cultivated sunflowers have always been a preferred host. Chilo suppressalis, the asiatic rice borer or striped rice stemborer, is a moth of the family crambidae. Sesamia inferens, the asiatic pink stem borer, gramineous stem borer, pink borer, pink rice borer, pink rice stem borer, pink stem borer, purple borer, purple stem borer or purplish stem borer, is a moth of the family noctuidae. 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. The spotted stemborer chilo partellus is an oligophagy and feeds on species of grasses and sedges which include several important cultivated cereals, especially maize, sorghum, rice, sugarcane, and millets. Among the major insect pests of rice, yellow stem borer ysb. Rice stem gall midge orseolia oryzae similar insect shown small, fragile insects with long legs, brown body, black eyes and long segmented feelers antennae. This beetle has been found in at least 17 states, primarily in the eastern u. Periodicity in the frequency of calling and quality of pheromone in volatile emissions of the spotted stalk borer, chilo partellus. A new iridescent virus obtained from two larvae of the rice stem borer, chilo suppressalis walker, was. For either variety, panicle density in main and ratoon crops was not affected by stem borer damage table 1.
Pdf assessment of infestation and yield loss by stem. The most injurious pests of cereals are the lepidopteran stem borers, with the crambid spotted stem borer chilo partellus swinhoe and noctuid african stem borer busseola fusca, being the most economically important field insect pests in maize cultivation in africa. It is found in indonesia, pakistan, the philippines and the tropical north of australia. The larvae feed on the internal tissues of the stem and undergo 56 moults. Lepidoptera, pyralidae, a stem borer of paddy in west bengal volume 48 issue 2. Journal common insect pests of rice and their natural. The international rice research institute irri was established in 1960 by. Light trap catches of adult stem borers per crop in relation.
Moths shoot tip moths several families clear wing moths others, pyralid moths, carpenter worms beetles metallic wood boring beetles flat headed borers long horned beetles bark beetles ambrosia beetles sap. I have been getting calls about recommendations for treating adults to prevent larval infestations, which can lead to stem lodging at harvest figure 2. The soybean stem borer, dectes texanus texanus, is a longhorned beetle family cerambycidae native to the central u. The larvae of insect feed on rice stems, prevent the transfer of food. It is a widespread species, known from india, sri lanka, china, eastern asia, japan, taiwan, malaysia to the pacific it is a serious pest of rice. Pyralidae the yellow stem borer is a specific pest of 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.
Several species of chilo are serious pests stem borers of sorghum, maize, rice and sugarcane. Unlike other species of stem borers, the pink stem borer lay bare eggs between the leaf sheath and the stem. Evaluation of different insecticides and botanical extracts. Studies on genetics of resistance to chilo species have been carried out only in a few cases. Insecticides are used as a major control tactic in managing pests of rice, oryza sativa l. Other stem borers on rice include dark headed borer,chilo suppressalis. For both varieties, for both main and ratoon crops, mexican rice borer was the predominant stem borer species about 70%. It is a serious pest of wheat and rabi all over india but is more prevalent in south india. Mating disruption to control the striped rice stem borer. Moths shoot tip moths several families clear wing moths. Genetics of sorghum, maize, rice and sugarcane resistance. Rice stem borer alone are responsible for a steady annual damage of 510% to the rice crop, which occasionally reaches up to 60% under favourable conditions of insect attack pathak and khan 1994. The presence of alternate hosts encourages the pink stem borer to develop, multiply and survive during winter or dry season. Pdf comparative efficacy of different botanicals and.
Silicon suppresses insect pests such as the stem borer, brown planthopper, rice green leafhopper, and whitebacked planthopper, and noninsect pests such as leaf spider and mites. Effects of rice stemborer infestation on grain yield and. Stem borers of cereal crops in africa and their management. This is an occasional soybean pest in missouri, and crop damage caused by this pest has been sporadic across parts of the state and growing seasons. The insect pest is wide ly distributed in the mango growing belts including uttar pradesh. Yellow rice stem borer, scirpophaga incertulas lepidoptera. Larval soybean stem borer, dectes taxanus texanus we have been seeing emergence of dectes stem borers figure 1 in south central nebraska for the last two weeks. Integrated management of rice stem borers in the yangtze delta, china. Stem borer definition of stem borer by merriamwebster. The species was first described by francis walker in 1856. Pdf integrated management of rice stem borers in the. World bibliography of rice stem borers stem borers are ubiquitous pests of rice worldwide figs. Interrelation between plant character and larval intrusion in the first generation of rice stem borer preliminary report.
Plant health australia contingency plan spotted stem borer chilo partellus. Maintaining water in the field to prevent mole crickets, ants and other soil pests. Super rice has the potential to deliver very high yields but is also susceptible to attack by the striped rice stem borer, chilo suppressalis. Elasmus eribor trichospilus gonlozus tetrastichus chelonus 19 ipm.
The larval stage borer damages plants by destroying internal plant tissue as they feed. It is one of the major pests in all rice producing areas of the. Determining the effect of stemborers on yields of cereal. Clip the seedling tips before transplanting to eliminate egg masses and collect and destroy the egg masses in main field. In this study we validate the field efficacy of rice husk ash rha and imidazole, alone and. Find, read and cite all the research you need on researchgate. Fifty species in three familiespyralidae, noctuidae. Khan international centre for insect physiology and ecology icipe maize is the most important cereal crop, which serve as staple food for. Lepidoptera the pest is widely distributed in all asian countries, monophagous and is a major pest on rice in india. The pink stem borer is found in upland rice, which is grown near sugarcane or related grasses. The study reveals that ecofriendly pesticidal molecules are very promising to formulate a sustainable pest management strategy for combating yellow stem borer and leaf folder infesting rice in manipur and incorporation of bioagents like trichogramma species were very effective as well as economic one. The effect of using low densities of different dispensing technologies on mating disruption of the striped rice stem borer, chilo suppressalis walker, was evaluated in the rice growing area of valencia spain from 2011 to 20. This longhorn beetle larva can most commonly be found burrowed deep into the trunks of fallen logs. Controlling yellow stem borer in rice by using molecular tools.
The results showed that the population of rice stem borer was significantly higher on control. Find stem borer stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. Pdf integrated management of the striped rice stem borer, chilo. The chemicalfree program practiced by sri invites many insect. Rice husk ash and imidazole application enhances silicon. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The soybean or dectes stem borer, dectes texanus texanus leconte, is a small, gray, longhorned beetle that attacks soybean and wild host plants. Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of the family crambidae. Its wild host plants are mostly annual weeds such as ragweed, ambrosia.
Rice stem borer yellow stem borer scirpophaga incertulas pyralidae. Pest borer control stop boring larvae from damaging your plants. The larvae are considered a pest on oryza sativa asian rice. Pcr analysis of t2 progeny plants resulted in the recovery of up to 4% marker free transgenic rice plants. Pdf this study was conducted to determine the effects of host plant resistance in early, medium. Pdf assessment of infestation and yield loss by stem borers on. Efficacy of selected biopesticides and botanical extracts. Pdf stem borer is the second important rice pest after rats in indonesia. Pyralidae, a monophagous pest of paddy is considered as most important nuisance of rain fed, low land and flood prone rice ecosystems 4. More control information on specific species of borers like european corn borers, iris borers and squash vine borers can be found below. Management of rice yellow stem borer, scirpophaga incertulas. Effects of rice stem borer infestation on grain yield and yield components volume 5 issue 2 e. Particular care must be taken to minimize the transfer of infested soil or plant material from the area as.
Leconte, is a longhorned beetle native to the high plains and southeastern united states. Coleoptera is increasingly becomi ng a menace in mango orchards across the country. Introduction to borers and their control purdue university. Conservation of natural enemies of stem borers recent collaborative studies by rice wheat consortium reveal that retention of rice stubble in notill wheat fields immensely enhanced the diversity and population density of natural. It is found from pakistan, india, sri lanka, myanmar to japan and the solomon islands. Rice yellow stem borer scirpophaga incertulas walker lepidoptera. Progeny analysis confirmed stable inheritance of the bt gene according to the mendelian 3. It would not be unjustified if about one third of the total losses caused by stem borers is attributed to s. Biodiversity relevant to pest management of tropical irrigated rice pests is discussed. In this study, surveys and field trials were performed to examine this problem and efficient ways were found to lower the borer s population density.
The role of biodiversity in the dynamics and management of insect. Pdf the extent of damage and yield loss due to six species of. The infe station is in the range of one to eight per cent depending upon mainte nance of the orchards. Vijaya grape researchstation,srikondalaxman telanagana state horticulture university, rajendranagar, hyderabad, india. The percentage yield loss due to stemborers infestation was found. No matter which continent, ecosystem, or type of crop culture, a field of rice is usually infested by more than one stem borer species. Economic assessment of controlling stem borers lepidoptera. Integrated management of cereal stem borers and striga.
Damage to corn caused by common stalk borer is characterized by wilting andor dying of the upper leaves or by ragged irregular holes chewed in the newly unrolled leaves. The moths of these stem borers are strong fliers and, with the help of wind, may cover. 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. 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%. Nazmul huda 1, prosanta kumar dash 1 1agrotechnology discipline, khulna university, khulna, bangladesh. Nutritional studies of the rice stem borer, chilo suppressalis walker. The mango trunk borer batocera rufomaculata, cerambycidae. Description and life cyclethe dectes stem borer overwinters as mature larvae within the stem of its. Yellow stem borer, gallmidge, brown planthopper, green. Seasonal parasitism by egg parasites of the yellow rice borer. The insects infest rice crops throughout their growth, from the seedling stage to maturity. Hunt, extension entomologist identification, life cycle, injury symptoms, and cultural and chemical management of soybean stem borer. Cerambycidae by doug johnson, extension entomologist university of kentucky college of agriculture. Generation of markerfree bt transgenic indica rice and.
The experiments were carried out to study the performance of some biorational insecticides against yellow stem borer, scirpophaga incertulas walker in boro rice. Effect of neem seed kernel extracts in the management of. Pdf an experiment was carried out in order to study the methods of managing striped rice stem borer, chilo suppressalis walker on rice. A field trial was conducted in karawang, west java in dry season of 2003 to study the effect of planting time on the stem. 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. Characterizing potential repelling volatiles for pushpull strategy. Evaluation of different insecticides and botanical extracts against yellow stem borer, scirpophaga incertulas in rice field md.
Ppt control of rice insect pests powerpoint presentation. Management of stem borer and leaf folder of rainfed rice. Dectes stem borer aka soybean stem borer in kentucky grown soybeans download pdf. Effectiveness of the entomopathogenic fungus beauveria bassiana bals. Stem borer definition is an insect larva that bores in plant stems. A chilo iridescent virus civ from the rice stem borer, chilo. Thousands of new, highquality pictures added every day. 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 pests of rice in the yangtze delta, one of the countrys rice bowls and a region undergoing rapid economic development. The reduction of the current number of release points 30 polymeric dispensersha was investigated by installing 3 aerosol devices per ha experiments 1 and 2 or. Overwintering notata larvae move into the root and construct tunnels up to 4 inches deep. Rice striped stem borer, chilo suppressalis lepidoptera.
Dectes stem borer aka soybean stem borer in kentucky grown. Sep 12, 2016 how to control rice yellow stem borer. It survives on several grasses including sudan grass sorghum vulgare sudanense, napier grass pennisetum. The temperature for the transfer line was 280 c, and the ionization energy was 70 ev. Stem borer scirpophaga, chilo, sesamia species larvae are pale caterpillars, 23 cm long, often with.
The dectes or soybean stem borer is a small, longhorned beetle that attacks soybeans. Economic threshold level etl of paddy insect pests. Abstract a field experiment was conducted at grape research station, rajendranagar for a period of two years 2011 on six year old. Stem borer is the second important rice pest after rats in indonesia. Effect of neem seed kernel extracts in the management of rice stem borers in the field in nigeria ogah, e. This suggests stem borers did not reduce the density of culms producing panicles in the main or ratoon crop. Insect bioassays revealed complete protection of transgenic plants from yellow stem borer infestation. Integrated management of cereal stem borers and striga weed. They are largely responsible for the great reduction in the rice growing in east asia, india and indonesia. May 05, 2016 the stem borers, generally considered the most serious pests of rice worldwide, occur and infest plants from seedling stage to maturity. Assessment of infestation and yield loss by stem borers on variety of rice. Yellow stem borer scirpophaga incertulas walker goldfringed stem borer chilo auricilius darkheaded stem borer dudgeon chilo polychrysus meyrick larva egg adult larva egg adult larva egg adult larva egg adult larva egg adult larva and egg mass are similar with striped and darkheaded stem borers. Management of mango trunk borer batocera rufomaculata. Common insect pests of rice and their natural biological control an illustrated guide to the insect pests that feed on rice plants and the organisms that feed.
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. Both additive and nonadditive gene effects are important in the inheritance. A stemborer stem borer is any insect larva, or arthropod, that bores into plant stems. Scolytidae, also known as the black stem borer bsb is originally from southeast asia. The caterpillar alone are destructive, when full grown, they measure about 20mm and are dirty white or greenish yellow having brown head and pronotum. Rice stem borers expose great threats to rice and some. Only insecticides that combine good penetration or systemicity, low toxicity to fish, and affordability to farmers are appropriate for stem borer control. Scirpophaga innotata, the rice white stemborer, is a species of moth of the family crambidae. Mass rearing of the rice stem borer in a laboratory was carried out on two kinds of foods. The rice stem borer, which infest the rice from seedling to maturity, act as a major constraint for the rice production 10, their larvae bore in to stem, feed on the inner tissue and usually one larva occurs per tiller. Bracon hebetor against insectpest of coconut and sugarcane brachymeria against the pupae of several pests of plantation crops. In this experiment, stem borer pressure was not exceptionally heavy and a significant yield response among treatments did not occur table 1. Integrated management of cereal stem borers and striga weed in maizebased cropping systems in africa z.
The species was described by francis walker in 1863. Comparative efficacy of different botanicals and chemical insecticides for controlling rice stem borer. Evaluation of insecticides for stem borer control discussion previous research by the entomology project has shown that stem borers can cause significant yield loss in rice. Experiments with a systemic insecticide for the control of. Management of stem borer and leaf folder of rainfed rice in.
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