Abstract extent of parasitization of yellow stem borer ysb, scirpophaga incertulas wlk. Feeding patterns of scirpophaga incertulas lepidoptera. Integrated control of yellow rice stem borer scirpophaga incertulas. Tujuan penelitian ini adalah menentukan sinergisme ekstrak piper aduncum dan tephrosia vogelii terhadap larva s. Dhuyo 1 1department of zoology, university of sindh, jamshoro, pakistan abstract the experiments were conducted to study the effect of agronomic practices like. Soil application of silicon reduces yellow stem borer. Lepidoptera damage and symptoms dead heaert symptom.
Only few studies are available on its longterm population dynamics under climate warming. Salah satu cara pengendalian yang dapat diterapkan adalah dengan menggunakan insektisida nabati. Scirpophaga incertulas walker is one of the most important to cause colossal losses to rice crop. Effects of zinc fertilizer application on the incidence of.
Feeding by yellow stem borer scirpophaga incertulas wlk. Vijaya sudhakara rao kola, renuka pichili, ayyagari phani padmakumari, satendra. Development of pvcresincontrolled release formulation. Evaluation of rice genotypes for resistance to yellow stem. 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. Family pyralidae genus scirpophaga tryporyza species incertulas distribution. Evaluation of different insecticides and botanical extracts against yellow stem borer, scirpophaga incertulas in rice field md. The yellow stem borer ysb, scirpophaga incertulas, is a prominent pest in rice cultivation causing serious yield losses.
Most of the reported estimates are time and space specific, so extrapolations of such data do not reveal losses in national or geographic. Losses due to top borer scirpophaga excerptalis wlk. Efficacy and economics of different insecticides against stem borers, scirpophaga incertulas walker in rice crop. For example, in china, yellow stem borer, scirpophaga incertulas walker. Department of entomology, annamalai university, annamalainagar, chidambaram608 002 tamilnadu india. Yellow stem borer, scirpophaga incertulas walker, lepidoptera. Veins 10 and 11 free, or vein 11 becoming coincident with vein 12. The impact of yellow stemborer, scirpophaga incertulas. Seasonal parasitism by egg parasites of the yellow rice borer. Pdf rice plants are vulnerable to the yellow stem borer, scirpophaga incertulas. Pdf effective management of scirpophaga incertulas walker on. Ald frequently trapped other lepidopteran species, such as rice pests scirpophaga incertulas and mythimna separate, corn and vegetable pests helicoverpa armigera in the field, suggesting a lack of specificity in the pheromone blend. Text is available under the creative commons attributionsharealike license.
Efficacy of some novel insecticides against yellow stem r. Bt gene, cry2ax1was cloned in a biselectable marker free binary vector construct. Knockdown of acetylcholinesterase ache gene in rice yellow stem borer, scirpophaga incertulas walker through rna interference. Evaluation of different insecticides and botanical.
Soil application of silicon reduces yellow stem borer, scirpophaga. Scirpophaga incertulas wikispecies, free species directory. It is distributed throughout india and is considered as a serious pest of paddy. Pyralidae, a monophagous pest of paddy is considered as most important nuisance of rain fed, low land and flood prone rice ecosystems 4. The purpose of this research was to invent trap which uses an effective color that attracts s. One of the trichogramma species commonly used to control rice stem borer is trichogramma japonicum t. Control of the yellow stem borer, scirpophaga incertulas by mating disruption with a pvc resin formulation of the sex pheromone of chilo suppressalis lepidoptera. Physiological time model of scirpophaga incertulas. Scirpophaga incertulas and sesamia inferens were most abundant and widely distributed followed by. Sinergisme ekstrak piper aduncum dan tephrosia vogelii. In view of the coronavirus pandemic, we are making live classes and video classes completely free to prevent interruption in studies. Scirpophaga is a genus of moths of the family crambidae described by georg friedrich treitschke in 1832.
Science and technology, general biological pest control methods borers insects control health aspects pests biological control pheromones usage diseases and pests. Relative composition of egg parasitoid species of yellow stem borer, scirpophaga incertulas wlk. Scirpophaga incertulas is a moth known as rice yellow stem borer. Grossly the experiment had six treatments that were replicated four times in each. The insect is dimorphic and the moth of stem borer is nocturnal in habit. Scirpophaga incertulas, the yellow stem borer or rice yellow stem borer, is a species of moth of the family crambidae. Relative composition of egg parasitoid species of yellow. Scirpophaga incertulas walker lep pyralidae is a common pest of rice in west bengal, india. Population ecology dispersal by larvae of the stem. An attempt was made during 20042006 kharif seasons to develop a forewarning system for rice yellow stem borer, scirpophaga incertulas walk. The following research aimed to 1 investigate the effect of the age of the parasitoid and.
Scirpophaga incertulas walker, ysb, oryza sativa, echinochloa colona, nutritional. In this study, we used the linear and generalized additive models gams to analyze the historical dataset of 50 years on this pest at xinfeng county of jiangxi province, china. Scirpophaga incertulas walker is an important agricultural pest in asia. The yellow rice stem borer scirpophaga incertulas walker is a major pests on rice. Pdf seasonal incidence of rice stem borer, scirpophaga. Ysb attack rice crop from seedling to grain filling stage. The cry2ax1 gene, driven by the chrysanthemum rbcs1 promoter, was introduced into jk1044r, the restorer line oryza sativa l. 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. 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 in bangladesh during 198285. Pdf feeding patterns of scirpophaga incertulas lepidoptera.
Population dynamics and host preference of a major pest. It is one of the major pests in all rice producing areas of the world. Pyralidae is autochthonous and monophagous on rice, oryza spp. Lepidoptera is a cosmopolitan pest to rice crop also known as yellow stem borer or ysb. Control of the yellow stem borer, scirpophaga incertulas. Such false trapping has also been reported in other lepidopteran species.
Dispersal by larvae of the stem borers scirpophaga incertulas lepidoptera. Seasonal incidence of rice yellow stem borer scirpophaga. Attraction of yellow stem borer scirpophaga incertulas. Report by journal of pure and applied microbiology. It is very difficult to quantify the economic impact of rice stem borers including s. Light traps have been used for monitoring and controlling s. The yellow stem borer, scirpophaga tryporyza incertulas walker belongs to the family pyralididae of order lepidoptera. Rice plants are vulnerable to the yellow stem borer, scirpophaga incertulas walker, during the booting phase, when infestations cause the greatest yield loss. Management of rice yellow stem borer, scirpophaga incertulas. The effect of soil application of rice husk ash rha, a cheap renewable source of silicon, and imidazole a silicon solubilizer and carrier on yellow stem borer ysb, scirpophaga incertulas walker, and its damage to rice plants were investigated. Effectiveness of trichogramma japonicum utilization for. No significant variation of plant height in kernels were available free of. Ysb is a chronic, monophagous pest of rice and the incidence varies between fields, locations, seasons and period 1. Although the moth is ubiquitous in ricegrowing regions, s.
Globally, yellow stem borer alone causes yield losses of 10 million. Population decrease of scirpophaga incertulas walker. Assessment of dead heart damage by scirpophaga incertulas walker on different rice accessions under field condition nisha l. Pyralidae adalah hasil penelitian saya, dengan arahan dari komisi pembimbing selama. The male moth is light brown with numerous brownish dots. Systematic position phylum arthropoda advertisements. Insect pests of rice books international rice research institute. Pernyataan mengenai disertasi dan sumber informasi dengan ini saya menyatakan bahwa disertasi keefektifan padi transgenik yang mengandung gen untuk pengelolaan hama penggerek cry batang padi kuning scirpophaga incertulas walker lepidoptera. Evaluation of promising insecticides against shoot borer chilo infuscatellus snell and top borer scirpophaga excerptalis walker of sugarcane and their impact on crop growth and yield. The experiments were carried out to study the performance of some biorational insecticides against yellow stem borer, scirpophaga incertulas walker in boro rice. Its larva feeds on rice culm at the lower end part, causing the tiller to chlorosis due to undernutrition. Consequences of feeding by yellow stem borer scirpophaga.
Rnaseq of rice yellow stem borer scirpophaga incertulas. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. Efficacy and economics of different insecticides against. Grossly the experiment had six treatments that were replicated four times in each year in randomized complete block design rcbd. Zoology and wildlife conservation lepidoptera control pesticide application methods pesticides application diseases and. Transplanting of eight paddy varieties pr1,hkr47,ndr359, sarju52,ps4,ps5,ps15 and ps21 was done on 11 th july 2016 during kharif season for investigate the seasonal incidence of rice stem borer, scirpophaga incertulas walker on.
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