Rice farming systems and defense responses biology essay. Pest outbreaks are common in rice growing regions, which result in 2050% yield loss. Assessing yield losses in deepwater rice due to yellow stem borer, scirpophaga incertulas walker, in bangladesh and thailand. Population ecology dispersal by larvae of the stem borers. The relevant climatic metric, minimum annual temperature.
Several lepidopteran species share the same pheromone blend consisting of z11hexadecenal z1116. This book is a must for all biology, biotechnology, engineering, medical and law students. The spot is distinct in the case of females and indistinct in male. Pdf egg parasitism of scirpophaga incertulas walker.
Scirpophaga innotata walker, 1863 india biodiversity portal. Pests of agriculture zoology for ias, ifos and other. So far, huge amount of information has been generated on s. Systematic position phylum arthropoda advertisements. Its incidence is most predominant in tropical lowland rice and deepwater rice. The influence of the lepidopteran stem borer scirpophaga incertulas walker, the most important pest of deepwater rice oryza sativa in southeast asia, on plant and grain yield was investigated. A study of paddystem borer scirpophaga incertulas population dynamics and its influence factors base on stepwise regress analysis linnan yang, lin peng1, fei zhong2, yinsong zhang3 1 college of basic science and information engineering, yunnan agricultural university po box 650201, kunming, yunnan, china. Studies on the sex pheromone of the yellow rice borer, scirpophaga incertulas walker, pyralidae, lepidoptera. The yellow stem borer ysb, scirpophaga incertulas walker lepidoptera. Annual changes in hectarage of ricefields infested with two stem. Young larvae bore into the midrib, leaving red markings and small holes on the leaves. With the death of central shoot, side branches start growing from a lower node, giving a characteristic bunchy top appearance to the plant. Each of the chapters is comprehensive and well illustrated and written by academicians who have dedicated their entire lives to the. Influence of temperature on the northern distribution.
Comparative biology of yellow stem borer, scirpophaga. The eggs were laid in masses having an average length and breadth of 5. Yellow stemborer, rice pests of dss, croppest dss, scirpophaga. This book is sold subject to the condition that it shall not, by way of trade, be lent, resold, hired out or otherwise. Rothschildthe biology and ecology of ricestem borers in sarawak. Text is available under the creative commons attributionsharealike license. Population dynamics and host preference of a major pest. However, unsprayed, irrigated rice fields have relatively few insect pest problems. Based on the available ecological information and effectiveness of different control options integrated pest management ipm strategies for s. The adult moth can be identified with the presence of a black spot on each orange yellow forewing.
The emerging caterpillars from the eggs get distributed to the surrounding plants,bites its. Seasonal occurrence of the yellow stem borer scirpophaga incertulas walker on deepwater rice in bangladesh and thailand. Its larva feeds on rice culm at the lower end part, causing the tiller to chlorosis due to undernutrition. Scirpophaga incertulas walker has always dominated the field. Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of. Egg are laid on the underside of the leaves, freshly hatched larvae move downwards to leaf sheath and feed on inner tissue, with the advancement of growth and development larvae bore into stem bore into. 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. Broadway 2001 identification of six chymotrypsin cdnas from larval midguts of helicoverpa zea corn earworm and agrotis. Published at the publication division, by the director, zoological survey of india, 2344 a.
Biology of elasmus zehntneri ferriere, an ecto larval parasitoid of the sugarcane top borer, scirpophaga excerptalis walker. Cloning, tissue distribution, and transmembrane orientation of the olfactory coreceptor orco from two important lepidopteran rice pests, the leaffolder cnaphalocrocis medinalis and the striped stem borer chilo suppressalis. Around 90 per centum of entire rice is produced in asia entirely that makes it as an asiatic harvest mohanty, 2009. Pyralidae, is an important pest of rice, oryza sativa l. About 18% of the total pesticide consumption in the country is in rice. Feeding patterns of scirpophaga incertulas lepidoptera. This barcode number lets you verify that youre getting exactly the right version or edition of a book. Eggs are laid in batches covered with straw coloured hairs. Rice crop stage susceptibility to the rice yellow stemborer scirpophaga incertulas walker lepidoptera.
Induction of resistance through organic nutrients for the management of rice yellow stemborer scirpophaga incertulas walkerb. Scirpophaga incertulas is a moth known as rice yellow stem borer. It is a serious pest of sugarcane in all the grain growing areas of the country. Some of them are host specific while others are polyphagous and can migrate from one crop to another. Pdf rnaseq of rice yellow stem borer scirpophaga incertulas. Approximately six major species of stem borer cause significant damage to rice cultivation. The role played by the lepidopteran yellow stem borer, scirpophaga incertulas walker in the life cycle of deepwater rice oryza sativa is controversial. Pyralidae vaishali p sawant, anand narangalkar and gauri varik. Terrestrial isopod biology advances in crustacean research paperback june 1, 1995 by a. Commonly it is known as dhan ka dhar chhedak or garba sukhu. Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of the family crambidae.
Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of the crambidae family. A critical assessment of the egg parasitoids of rice yellow stem borer, scirpophaga incertulas lep. Since the publication of the first edition, many new advances have taken place in the subject, and these have been incorporated into the. In rice pest chilo suppressalis, z11hexadecenol, z1116. Du jw, dai xj, zu sf, tang xh, zhang tp, zhu yx and wang mz 1987 studies on sex pheromone of yellow rice borer, scirpophaga incertulas walker, pyralidae, lepidopteraidentification of chemical structure and field trapping tests. The biology and ecology of these insect pests of the paddy crop have been dealt in detail by pathak and khan 1994, dale 1994, chaudhary et al. Crop pests a large number of insects attack crops in various stages of growth and cause immense economic losses. Rice is regarded as one of the most staple nutrient for a major portion of the universes population, particularly in asia, latin america, the middle east, and the west indies. Family pyralidae genus scirpophaga species nivella distribution.
Among trichogrammatids commonly occurring in cereal ecosystem are the minutum group t. Biology and morphometry spodoptera litura fabricius on tomato. Rice yellow stem borer scirpophaga incertulas inaturalist. However, limited knowledge exists on the biology and mechanisms underlying the. We explored the influence of temperature on the northern distribution limits of scirpophaga incertulas walker, an important agricultural pest of rice in asia. Scirpophaga nivella, the sugarcane top borer zoology for. The yellow stem borer, scirpophaga incertulas walker, emerged as the dominant.
It is found in afghanistan, nepal, northeastern india, sri lanka, bangladesh, burma, vietnam, thailand, malaysia, singapore, sumatra, java, borneo, sumba, sulawesi, the philippines, taiwan, china and japan. The yellow stem borer ysb, scirpophaga incertulas, is a prominent pest in rice. Scirpophaga innotata walker, 1863 accepted name animalia arthropoda insecta lepidoptera pyraloidea crambidae scirpophaga scirpophaga innotata walker, 1863. Liu, su huang, yuanjie qiao, fei zhou, wenwu gong, zhongjun cheng, jiaan and zhu, zengrong 20. Pheromones and semiochemicals of scirpophaga incertulas. Research on rice based cropping systems in india rice is grown in 43. The old world species of the genus scirpophaga are revised. Alikhan author see all 4 formats and editions hide other formats and. Management of rice stem borer rice stem borer causes damage by reducing the number of tillers and yield. It is distributed throughout india and is considered as a serious pest of paddy. General information about scirpophaga incertulas schobi eppo global database.
A revision of the old world species of scirpophaga. The major question is whether or not larval feeding in the elongated stems is damaging and if so, although no visible. The yellow stem borer, scirpophaga incertulas walker, is the major pest in deepwater rice in the asian region where it regularly causes yield losses estimated at 1520% catling, islam and pattrasudhi, 1987. Other so asia, rice is besides going an of import cereal nutrient and back. Rnaseq of rice yellow stem borer scirpophaga incertulas. Rice stem borer scirpophaga incertulas pyraustidae. 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. Yellow stem borer scirpophaga incertulas walker agropedia. Pdf oviposition behaviour of scirpophaga incertulas walker. Efficacy of chlorpyriphos 75wdg against rice stem borer, scirpophaga incertulas walker. Studies on the ecology of the yellow stem borer, scirpophaga.
The genus scirpophaga was first introduced by treitschke in 1832 as a monotypic genus. Insect pests of rice books international rice research institute. Then the larvae tunnel in the upper portion of the stem, resulting in drying of the central shoot, causing dead heart. Chilo suppressalis is highly tolerant of low temperature. Influence of temperature on the northern distribution limits of scirpophaga incertulas walker lepidoptera. Selected publications department of biological sciences. Pdf the yellow rice stem borer, scirpophaga incertulas walker is an important pest of rice in. Scirpophaga incertulas walker, ysb, oryza sativa, echinochloa colona, nutritional quality, life table. The 27 chapters in the book, are grouped into four sections primarily based on crop types, viz. Egg parasitoids in cereal crops ecosystem springerlink. Yellow stem borer scirpophaga incertulas walker submitted by awaneesh on tue, 16022010 16.
Ald were identified as minor components in the pheromone gland of female moths, and these components were previously not. Two species of trichogramma wasps were assessed for their effectiveness against yellow stem borer scirpophaga incertulas. Caterpillars bore central shoot of seedlings and tillers leading to death of central shoot called dead heart. The yellow stem borer ysb, scirpophaga incertulas, is a prominent. Book society and chapman and hall, london, 1978, 524. The biology of yellow stem borer, scirpophaga incertulas wlk. Among the stem borers infesting rice, the yellow stem borer, scirpophaga incertulas walker lepidoptera. The impact of yellow stemborer, scirpophaga incertulas. The major targets of egg parasitoids occurring in cereal crops include mainly stem borers scirpophaga, chilo, leaf folders cnaphalocrocis, the gall midge and leafplant hopper. It was only through taxonomic studies that these species were clearly differentiated. Moreover, scirpophaga incertulas in japan has been steadily decreasing since 1948 and chilo suppressalis since 1960. In cauvery deltaic region four species of stem borer that is scirpophaga incertulas yellow stem borer, chilo. The first edition of this book, published in 1991, was wellreceived as an upperlevel undergraduate textbook for courses in agricultural entomology and pest management. Rice insect pheromone identification and utilization in.
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