Major insect pest of rice pdf Northland

major insect pest of rice pdf

Seasonal variation in major insect pests incidence on rice insect pests in the rice after it is placed in storage. Strict sanitation on the farm, in elevators, warehouses, and mills, CONTROLLING INSECT PESTS OF STORED RICE Prepared by Stored-Product Insects Section, Biological Sciences Branch, Marketing Research rice theweevil is major pest and frequently does much damage. Occasionally the

PPT – Major insect pests of rice their identification and

Effect of Nitrogen Fertilizer on Herbivores and Its. Aug 04, 2014В В· Identification of major insect pests of Paddy and their damage symptoms Dr. M. Thippaiah professor Dept. of Entomology College of Agriculture GKVK, UAS Bangalore- 65 2. Rice, Oryza sativa is the most important and staple food crop for more than two third of the population of India and more than 65 % of the world population., of insect pests and the arthropods that help regulate their populations. This book effectively utilizes the unique knowledge and expertise of leading rice entomologists from Africa, Asia and the Americas to provide the first global coverage of rice insect pests. The discussion of each pest includes geographical.

The present experiment was undertaken to study Seasonal abundance and management of major insect pests of rice (Oryza sativa L.) by using novel insecticides. To meet the above objectives experiment were carried out under field conditions at the Agricultural Research Farm, B.H.U, Varanasi during kharif 2015. of insect pests and the arthropods that help regulate their populations. This book effectively utilizes the unique knowledge and expertise of leading rice entomologists from Africa, Asia and the Americas to provide the first global coverage of rice insect pests. The discussion of each pest includes geographical

The four-day international Conference on Pest Management in Rice, which is the subject of this volume, was the third in an ongoing series of meetings on tropical crops organised by the Pesticides Group of the Society of Chemical Industry, London. The participants came from both the public and Major Insect Pests of Cotton The main or major insect pests of cotton that cause economic loss to this crop are given below with their scientific names, order and family name. 1. Cotton jassid Cotton jassid is a major sucking insect pest of cotton with scientific name Amrasca biguttula (Ishida). It belongs to family Cicadellidae and order Homoptera.

Major insect pests of rice, their identification and nature of damage N.S. Azad Thakur ICAR Research Complex for NEH Region, Umiam, Meghalaya – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3c6f2c-ZDgxN (Kulshreshtha, 1974) due to attack of these insect pests in rice. Thus, the present studies were conducted to know the effects of cultivation methods and cultivars on major insect pest incidence of rice under field condition. MATERIALAND METHODS The field experiments were conducted at Norman E. Borloug Crop Research Centre, G.B. Pant University

Insect Pests of Spices and Condiments Insect Pests of Stored Products Polyphagous Pests Rodents as Pests Keywords Chewing insect, Sucking insect, minor pest, Major pest, Distribution, Nature of damage, Life history, Management strategy, Chemical control, Biological control, Mechanical control, Preventive method, Curative method 2 Pest insects — The classification of an insect as a pest is a subjective one, based on its potential damage to human needs and/or natural habitats and ecosystems. Pest insects can: damage or kill agricultural crops, ornamental plants,

Insect pests have been defined by Williams (1947) as any insect in the wrong place. Depending on the structure of the ecosystem in a given area and man's view point, a certain insect might or might not be considered a pest. Some insects can constitute a major threat to entire countries or a group of nations. thought to be considered as major pest and conventional methods were recommended to improve productivity of rice and pulses [20]. Rice fields of Uttar Pradesh were surveyed and major insect pests of rice crops were reported. Rice pests included Root feeders …

Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius a rice crop, and hence in pest management, may depend for some, or all, of the time, on area-wide interactions involving associated non-rice crops and wild habitats, including the bunds (levees) that surround each rice field. In the rice pest management context the limits of this ecosystem may, however, be difficult to define. As an extreme

Major Insect Pests of Rice The insect pests that cause serious and economic damage are commonly known as major or important insect pests of rice and these major insect pests are given below with detail of their scientific name, family name and order name, Major Insect Pests of Rice The insect pests that cause serious and economic damage are commonly known as major or important insect pests of rice and these major insect pests are given below with detail of their scientific name, family name and order name,

Insect Pests of Spices and Condiments Insect Pests of Stored Products Polyphagous Pests Rodents as Pests Keywords Chewing insect, Sucking insect, minor pest, Major pest, Distribution, Nature of damage, Life history, Management strategy, Chemical control, Biological control, Mechanical control, Preventive method, Curative method 2 Sep 18, 2017 · All insect pest of rice. Insect and Pest Control in Paddy (धान में कीट और रोग नियंत्रण) - Duration: 19:31. Bihar Agricultural University Sabour 416,604

Aug 04, 2014В В· Identification of major insect pests of Paddy and their damage symptoms Dr. M. Thippaiah professor Dept. of Entomology College of Agriculture GKVK, UAS Bangalore- 65 2. Rice, Oryza sativa is the most important and staple food crop for more than two third of the population of India and more than 65 % of the world population. Home stored product entomology is the study of insects which infest foodstuffs stored in the home. It deals with the prevention, detection and eradication of the pests. The five major categories of insects considered in this article are flour beetles, the drugstore beetle, the sawtoothed grain beetle, the Indian meal moth and fruit flies.

Rice Insect Pests •Many insects inhabit rice fields, but only a few are considered to be pest species •Missouri is lucky –insect problems are less severe than in other rice producing areas of the US •Most common pest –rice water weevil •Others –rice stink bug, grasshoppers •Rare –armyworms, chinch bugs The present experiment was undertaken to study Seasonal abundance and management of major insect pests of rice (Oryza sativa L.) by using novel insecticides. To meet the above objectives experiment were carried out under field conditions at the Agricultural Research Farm, B.H.U, Varanasi during kharif 2015.

Insect Pests of Rice beaumont.tamu.edu

major insect pest of rice pdf

INSECT PEST OF RICEALL MAJOR AND MINAR INSECT - YouTube. 2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature, The insect originally referred to as Argyroploce illepida Butler (= Cryptophlebia carpophaga Walsingham) in India (Butani, 1977), is actually Cryptophlebia ombrodelta Lower (Bradley, 1953). It also occurs in Thailand, China, Japan, Taiwan Province of China and Australia, but only in the latter area is it regarded as a significant pest..

STORED GRAIN PESTS In India post-harvest losses caused by

major insect pest of rice pdf

Rice Insect Management University of Missouri. Among the various factors, insect pests are the main causes of low yields of rice in India (Matteson, 2000 and Behura et al., 2011). Rice crop is attacked by more than 100 species of insects, but 20 species are of Evaluation of different insecticides against major insect pests of rice in Punjab GURMAIL SINGH SANDHU* AND N.S. DHALIWAL https://en.wikipedia.org/wiki/Rice_stink_bug Majority of these rice insect pests are phototactic in nature. Therefore light traps can be used as an effective IPM tool for monitoring and management of phototactic paddy pests. Sharma (2004) monitored the seasonal activity of 14 major and minor insect pest species of paddy through light trap at.

major insect pest of rice pdf


Natural insect enemies of the rice pests are also killed when pesticides are applied and this can lead to an outbreak of other rice insect pests. Other ways to encourage natural pest enemies are to allow plants on the bunds and between fields to flower (yellow and white flowers attract natural enemies). tropical and temperate countries of the world. One of the major constraints of rice production and low productivity in India is the occurrence of insect pests at various stages of the crop growth. The rice plant is subject to attack by more than 100 species of insects and 20 of them can cause economic damage [2].

The four-day international Conference on Pest Management in Rice, which is the subject of this volume, was the third in an ongoing series of meetings on tropical crops organised by the Pesticides Group of the Society of Chemical Industry, London. The participants came from both the public and Insect pests have been defined by Williams (1947) as any insect in the wrong place. Depending on the structure of the ecosystem in a given area and man's view point, a certain insect might or might not be considered a pest. Some insects can constitute a major threat to entire countries or a group of nations.

Lecture 11: PEST - DEFINITION, CATEGORIES, CAUSES FOR OUTBREAK, LOSSES CAUSED BY PESTS PEST - Derived from French word ‘Peste’ and Latin term ‘Pestis’ meaning plague or contagious disease - Pest is any animal which is noxious, destructive or troublesome to man or his interests - A pest is any organism which occurs in large numbers and Aug 04, 2014 · Identification of major insect pests of Paddy and their damage symptoms Dr. M. Thippaiah professor Dept. of Entomology College of Agriculture GKVK, UAS Bangalore- 65 2. Rice, Oryza sativa is the most important and staple food crop for more than two third of the population of India and more than 65 % of the world population.

Natural insect enemies of the rice pests are also killed when pesticides are applied and this can lead to an outbreak of other rice insect pests. Other ways to encourage natural pest enemies are to allow plants on the bunds and between fields to flower (yellow and white flowers attract natural enemies). This study aims to enlist major rice pests that are present in rice fields of Hafiz Hayat Campus, jalalpur all major rice growing countries of the world. jattan road, Gujrat, Pakistan. Keywords: rice producers, major pests of rice, diversity of rice pests.

a rice crop, and hence in pest management, may depend for some, or all, of the time, on area-wide interactions involving associated non-rice crops and wild habitats, including the bunds (levees) that surround each rice field. In the rice pest management context the limits of this ecosystem may, however, be difficult to define. As an extreme Insect Pests of Rice . Rice Water Weevil – Lissorhoptrus oryzophilus. The rice water weevil is the most serious pest of rice in the US. It is native to Texas, but was accidentally introduced into California, as well as China, North and South Korea, Taiwan, Japan and Europe. Thus, it is …

Insect Pests of Rice . Rice Water Weevil – Lissorhoptrus oryzophilus. The rice water weevil is the most serious pest of rice in the US. It is native to Texas, but was accidentally introduced into California, as well as China, North and South Korea, Taiwan, Japan and Europe. Thus, it is … 2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature

Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius Sep 18, 2017 · All insect pest of rice. Insect and Pest Control in Paddy (धान में कीट और रोग नियंत्रण) - Duration: 19:31. Bihar Agricultural University Sabour 416,604

2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature Impacts of nitrogen fertilizer on major insect pests and their predators in transgenic Bt rice lines T2A‐1 and T1C‐19 View Enhanced PDF Access article on Wiley Online Library Cry protein production could affect nitrogen partitioning in Bt plants and as such nitrogen input may influence insect pest management in transgenic Bt rice

major insect pest of rice pdf

This study aims to enlist major rice pests that are present in rice fields of Hafiz Hayat Campus, jalalpur all major rice growing countries of the world. jattan road, Gujrat, Pakistan. Keywords: rice producers, major pests of rice, diversity of rice pests. Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius

INSECT PESTS OF MAJOR FOOD CROPS THEIR REINVASION

major insect pest of rice pdf

Seasonal variation in major insect pests incidence on rice. LU Zhong-xian, et al. Effect of Nitrogen Fertilizer on Herbivores and Its Stimulation for Major Insect Pests in Rice 57 shape, sound, texture and toughness, play important roles in an insect’s host selection. Nitrogen may influence semiochemicals and nutritional values of plants and also behavioral, Pest insects — The classification of an insect as a pest is a subjective one, based on its potential damage to human needs and/or natural habitats and ecosystems. Pest insects can: damage or kill agricultural crops, ornamental plants,.

Major Insect Pests Of Cotton Expertscolumn

Insect Pests of Rice beaumont.tamu.edu. Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius, Rice is one of the most important food crops in the world. • Damage by insect pests is a serious challenge to rice production in China. • Biological control is an effective method for ….

damage rice by feeding on the leaves, stems, roots or grain. This section contains a brief description of the pests of rice, the injury they cause, scouting proce-dures and control methods for the major and minor insect pests of rice. We have learned in recent years the impact that broad spectrum insecticide applica- 2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature

Sep 18, 2017 · All insect pest of rice. Insect and Pest Control in Paddy (धान में कीट और रोग नियंत्रण) - Duration: 19:31. Bihar Agricultural University Sabour 416,604 Pest insects — The classification of an insect as a pest is a subjective one, based on its potential damage to human needs and/or natural habitats and ecosystems. Pest insects can: damage or kill agricultural crops, ornamental plants,

Natural insect enemies of the rice pests are also killed when pesticides are applied and this can lead to an outbreak of other rice insect pests. Other ways to encourage natural pest enemies are to allow plants on the bunds and between fields to flower (yellow and white flowers attract natural enemies). (Kulshreshtha, 1974) due to attack of these insect pests in rice. Thus, the present studies were conducted to know the effects of cultivation methods and cultivars on major insect pest incidence of rice under field condition. MATERIALAND METHODS The field experiments were conducted at Norman E. Borloug Crop Research Centre, G.B. Pant University

Jul 02, 2015 · Insect pest of rice 1. INSECT PESTS OF RICE R. Regmi Assistant professor Department of entomology 2. INSECT PEST OF RICE • Rice (Oryza sativa L.) is the most important staple food crop of the world • More than 60 % of worlds population depend on it for food. • It is major crop of Nepal accounting 55% of total national cereal production. This study aims to enlist major rice pests that are present in rice fields of Hafiz Hayat Campus, jalalpur all major rice growing countries of the world. jattan road, Gujrat, Pakistan. Keywords: rice producers, major pests of rice, diversity of rice pests.

Sep 18, 2017 · All insect pest of rice. Insect and Pest Control in Paddy (धान में कीट और रोग नियंत्रण) - Duration: 19:31. Bihar Agricultural University Sabour 416,604 Rice Insect Pests •Many insects inhabit rice fields, but only a few are considered to be pest species •Missouri is lucky –insect problems are less severe than in other rice producing areas of the US •Most common pest –rice water weevil •Others –rice stink bug, grasshoppers •Rare –armyworms, chinch bugs

The insect originally referred to as Argyroploce illepida Butler (= Cryptophlebia carpophaga Walsingham) in India (Butani, 1977), is actually Cryptophlebia ombrodelta Lower (Bradley, 1953). It also occurs in Thailand, China, Japan, Taiwan Province of China and Australia, but only in the latter area is it regarded as a significant pest. Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius

Pest status: Important pest of several stored food grains, mainly rice, wheat, corn and their products such as breakfast cereals, macaroni, noodles, etc. Adult rice and maize weevils can attack standing grain crops in the field before harvest. All species can also attack other food materials such as dried fruits and nuts. Natural insect enemies of the rice pests are also killed when pesticides are applied and this can lead to an outbreak of other rice insect pests. Other ways to encourage natural pest enemies are to allow plants on the bunds and between fields to flower (yellow and white flowers attract natural enemies).

The present experiment was undertaken to study Seasonal abundance and management of major insect pests of rice (Oryza sativa L.) by using novel insecticides. To meet the above objectives experiment were carried out under field conditions at the Agricultural Research Farm, B.H.U, Varanasi during kharif 2015. of insect pests and the arthropods that help regulate their populations. This book effectively utilizes the unique knowledge and expertise of leading rice entomologists from Africa, Asia and the Americas to provide the first global coverage of rice insect pests. The discussion of each pest includes geographical

This study aims to enlist major rice pests that are present in rice fields of Hafiz Hayat Campus, jalalpur all major rice growing countries of the world. jattan road, Gujrat, Pakistan. Keywords: rice producers, major pests of rice, diversity of rice pests. LU Zhong-xian, et al. Effect of Nitrogen Fertilizer on Herbivores and Its Stimulation for Major Insect Pests in Rice 57 shape, sound, texture and toughness, play important roles in an insect’s host selection. Nitrogen may influence semiochemicals and nutritional values of plants and also behavioral

Index Copernicus Value: 3.0 - Articles can be sent to editor@impactjournals.us Survey and Surveillance of Major Insect-Pests of Basmati Rice in Western Uttar Pradesh (India) 5 • Rice Caseworm The rice caseworm is an important insect pest of rice (Pathak & Khan, 1994). Major Insect Pests of Rice The insect pests that cause serious and economic damage are commonly known as major or important insect pests of rice and these major insect pests are given below with detail of their scientific name, family name and order name,

Seasonal Incidence and Population Dynamics of Major Insect

major insect pest of rice pdf

CategoryPest insects Wikipedia. Major Insect Pests of Cotton The main or major insect pests of cotton that cause economic loss to this crop are given below with their scientific names, order and family name. 1. Cotton jassid Cotton jassid is a major sucking insect pest of cotton with scientific name Amrasca biguttula (Ishida). It belongs to family Cicadellidae and order Homoptera., Rice Insect Pests •Many insects inhabit rice fields, but only a few are considered to be pest species •Missouri is lucky –insect problems are less severe than in other rice producing areas of the US •Most common pest –rice water weevil •Others –rice stink bug, grasshoppers •Rare –armyworms, chinch bugs.

PPT – Major insect pests of rice their identification and

major insect pest of rice pdf

Biological control of rice insect pests in China. Among the various factors, insect pests are the main causes of low yields of rice in India (Matteson, 2000 and Behura et al., 2011). Rice crop is attacked by more than 100 species of insects, but 20 species are of Evaluation of different insecticides against major insect pests of rice in Punjab GURMAIL SINGH SANDHU* AND N.S. DHALIWAL https://en.wikipedia.org/wiki/Rice_stink_bug Rice Diseases and Symptoms: Rice is the major food crop in Asia. It is the staple food in most states, particularly in India. Nevertheless, an IRRI report by the International Rice Research Institute shows an average worldwide loss of 37 percent of rice yield due to pests and diseases..

major insect pest of rice pdf


Insect Pests of Rice . Rice Water Weevil – Lissorhoptrus oryzophilus. The rice water weevil is the most serious pest of rice in the US. It is native to Texas, but was accidentally introduced into California, as well as China, North and South Korea, Taiwan, Japan and Europe. Thus, it is … Nov 21, 2008 · The insect pest problems of agriculture in Bangladesh have not been adequately studied or surveyed. Nevertheless some preliminary data are available to indicate the possible seasonal and annual abundance of the most important pests attacking rice, sugarcane and jute.

Pest insects — The classification of an insect as a pest is a subjective one, based on its potential damage to human needs and/or natural habitats and ecosystems. Pest insects can: damage or kill agricultural crops, ornamental plants, Lecture 11: PEST - DEFINITION, CATEGORIES, CAUSES FOR OUTBREAK, LOSSES CAUSED BY PESTS PEST - Derived from French word ‘Peste’ and Latin term ‘Pestis’ meaning plague or contagious disease - Pest is any animal which is noxious, destructive or troublesome to man or his interests - A pest is any organism which occurs in large numbers and

Storage insect pests are categorized into two types viz. • Primary storage pests : Internal and External feeders • Secondary storage pests Primary storage pests: Insects that damages sound grains are primary storage pests Common name Pest Family Order Internal Feeders Rice weevil Sitophilus oryzae, S. zeamais, S. granarius of insect pests and the arthropods that help regulate their populations. This book effectively utilizes the unique knowledge and expertise of leading rice entomologists from Africa, Asia and the Americas to provide the first global coverage of rice insect pests. The discussion of each pest includes geographical

Major Insect Pests of Rice The insect pests that cause serious and economic damage are commonly known as major or important insect pests of rice and these major insect pests are given below with detail of their scientific name, family name and order name, Index Copernicus Value: 3.0 - Articles can be sent to editor@impactjournals.us Survey and Surveillance of Major Insect-Pests of Basmati Rice in Western Uttar Pradesh (India) 5 • Rice Caseworm The rice caseworm is an important insect pest of rice (Pathak & Khan, 1994).

2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature Among the various factors, insect pests are the main causes of low yields of rice in India (Matteson, 2000 and Behura et al., 2011). Rice crop is attacked by more than 100 species of insects, but 20 species are of Evaluation of different insecticides against major insect pests of rice in Punjab GURMAIL SINGH SANDHU* AND N.S. DHALIWAL

Sep 18, 2017 · All insect pest of rice. Insect and Pest Control in Paddy (धान में कीट और रोग नियंत्रण) - Duration: 19:31. Bihar Agricultural University Sabour 416,604 a rice crop, and hence in pest management, may depend for some, or all, of the time, on area-wide interactions involving associated non-rice crops and wild habitats, including the bunds (levees) that surround each rice field. In the rice pest management context the limits of this ecosystem may, however, be difficult to define. As an extreme

The present experiment was undertaken to study Seasonal abundance and management of major insect pests of rice (Oryza sativa L.) by using novel insecticides. To meet the above objectives experiment were carried out under field conditions at the Agricultural Research Farm, B.H.U, Varanasi during kharif 2015. Insect Pests of Rice by M.O. Way Professor of Entomology Texas AgriLife Research - Beaumont Center 1509 Aggie Drive Beaumont, TX 77713 Rice Water Weevil Lissorhoptrus oryzophilus The rice water weevil is a key pest of rice. Adults feed on rice leaves and lay their eggs underwater in rice stems.

Insect Pests of Spices and Condiments Insect Pests of Stored Products Polyphagous Pests Rodents as Pests Keywords Chewing insect, Sucking insect, minor pest, Major pest, Distribution, Nature of damage, Life history, Management strategy, Chemical control, Biological control, Mechanical control, Preventive method, Curative method 2 The present experiment was undertaken to study Seasonal abundance and management of major insect pests of rice (Oryza sativa L.) by using novel insecticides. To meet the above objectives experiment were carried out under field conditions at the Agricultural Research Farm, B.H.U, Varanasi during kharif 2015.

thought to be considered as major pest and conventional methods were recommended to improve productivity of rice and pulses [20]. Rice fields of Uttar Pradesh were surveyed and major insect pests of rice crops were reported. Rice pests included Root feeders … (Kulshreshtha, 1974) due to attack of these insect pests in rice. Thus, the present studies were conducted to know the effects of cultivation methods and cultivars on major insect pest incidence of rice under field condition. MATERIALAND METHODS The field experiments were conducted at Norman E. Borloug Crop Research Centre, G.B. Pant University

Rice is one of the most important food crops in the world. • Damage by insect pests is a serious challenge to rice production in China. • Biological control is an effective method for … 2 Major insect pests of rice, etc. 52 3 Major insect pests of corn, etc. . . 55 4 Major insect pests of potatoes, etc. 58 5 Major insect pests of root crops, i.e., to gain more knowledge of the effects of nuclear war on insect pest populations. Research Plan: A survey was made of insecticide application and insect control literature