DEVELOPMENT OF LABORATORY AND FIELD ELISA TESTS FOR DETECTION OF ENDOSULFAN IN WATER AND SOIL
on Mar 13, 2017

Crop Protection WCRC Croprotection-australia WCRC1

Abstract                                                                         Back to Table of contents Environmental monitoring of endosulfan residues is currently being achieved by gas chromatographic analysis, but there is a need for faster and cheaper analysis that can be conducted in the field as well as in the laboratory. To satisfy thi...

THE FATE OF ENDOSULFAN SPRAYED ON COTTON
on Mar 13, 2017

Crop Protection WCRC Croprotection-australia WCRC1

Abstract                                                                         Back to Table of contents An extensive analysis of the total burden of endosulfan in cotton growing soils has been conducted over the past three years on four cotton fields in the Namoi valley of northern New South Wales. The study indicates that the maximum total b...

COMPARATIVE INFORMATION ON THE LOCAL ABUNDANCE OF TWO PESTS, HELICOVERPA ARMIGERA (HÜBNER) (LEPIDOPTERA: NOCTUIDAE) AND APHIS GOSSYPII (GLOVER) (HOMOPTERA: APHIDIDAE) AND SELECTED PREDATORS ON COTTON IN EASTERN TANZANIA
on Mar 13, 2017

Crop Protection WCRC Croprotection-EastSouthAfrica WCRC1

Abstract                                                                         Back to Table of contents Seasonal occurrence of predators of Helicoverpa armigera (Hübner) and Aphis gossypii (Glover) on cotton was studied between 1989 and 1991 in eastern Tanzania. Major predators were chrysopids, coccinellids, syrphids and ants. These predators...

THE USE OF BACULOVIRUSES IN COTTON IPM
on Mar 13, 2017

Crop Protection WCRC WCRC1

Abstract                                                                         Back to Table of contents Insect pathogenic baculoviruses offer a means of pest control that is safe to non-target organisms and environmentally benign.  Control of insect pests on cotton with baculoviruses as an alternative to, or in conjunction with, chemical inse...

SYNTHETIC PYRETHROID INDUCED COTTON PLANT LEAF TISSUE MORPHOLOGICAL CHANGES AND INCIDENCE OF BEMISIA TABACI
on Mar 13, 2017

Crop Protection WCRC Croprotection-Asia WCRC1

Abstract                                                                         Back to Table of contents Trials were conducted during the 1989 and 1990 cotton growing seasons at Parbhani, Maharashtra State, India to study the impact of synthetic pyrethroids on the incidence of the whitefly, Bemisia tabaci (Gennadius).  Treatments consisted of:...

INSECTICIDE RESISTANCE MANAGEMENT AS A PART OF AN IPM STRATEGY IN ISRAELI COTTON FIELDS
on Mar 13, 2017

Crop Protection WCRC Croprotection-MedMiddleEast WCRC1

Abstract                                                                         Back to Table of contents Since the 1950s, growing cotton in Israel, has been associated with many pesticide applications, mainly against the whitefly, Bemisia tabaci (Gennadius), the Egyptian cotton leafworm, Spodoptera littoralis (Boisduval), the pink bollworm, Pe...

FIPRONIL: A NEW SOIL AND FOLIAR INSECTICIDE FOR COTTON
on Mar 13, 2017

Crop Protection Croprotection-NorthAmerica

Abstract                                                                         Back to Table of contents Fipronil [(+)-5-amino-1-(2,6-dichloro-a,a,a-trifluoro-p-toly)-4-tri-fluoromethylsulfinylpyrazole-3-carbonitrile] is a new pyrazole insecticide that provides excellent control of many foliar insects on cotton.  Fipronil at 100 g a.i./ha appl...

CHEMICAL CHARACTERIZATION OF COTTON INSECT HONEYDEW AND ELIMINATION OF STICKINESS OF HONEYDEW-CONTAMINATED LINT
on Mar 13, 2017

Crop Protection WCRC Croprotection-NorthAmerica WCRC1

Abstract                                                                         Back to Table of contents Cotton fiber stickiness due to honeydew from insect infestations is a severe problem in many cotton producing countries.  In the southwest United States, honeydew secreted by the sweetpotato whitefly (Bemisia tabaci Gennadius) or cotton aph...

AREA–WIDE MANAGEMENT OF HELIOTHIS/HELICOVERPA IN THE DELTA OF MISSISSIPPI
on Mar 13, 2017

Crop Protection WCRC Croprotection-NorthAmerica WCRC1

Abstract                                                                         Back to Table of contents Utilizing an entomopathogenic virus on alternate hosts as the main pre–crop treatment, a pilot test was conducted in 1990 and 1992 to manage Heliothis virescens (F.) and Helicoverpa zea (Boddie) in cotton in a 259 square kilometer area in t...

MIGRATION OF COTTON PESTS: PATTERNS AND IMPLICATIONS FOR MANAGEMENT
on Mar 13, 2017

Crop Protection WCRC Croprotection-australia WCRC1

Introduction                                                                Back to Table of contents Cotton has a large pest complex (Matthews, 1989), and many of the major pests are migratory to some degree. Kennedy (1975) distinguished insect migration from dispersal because of the persistent, straightened-out movement, and unresponsiveness t...

CONTROLLED ENVIRONMENT STUDY OF THE DEGRADATION OF ENDOSULFAN IN SOILS
on Mar 13, 2017

Crop Protection WCRC Croprotection-australia WCRC1

Abstract                                                                         Back to Table of contents The degradation rate of endosulfan applied to a Black Earth soil from South East Queensland, was studied in controlled environment chambers. The degradation rates of a- and b-endosulfan were determined for the soil samples kept at the const...

THE USE OF PHEROMONES TO CONTROL THREE SPECIES OF BOLLWORM IN PAKISTAN
on Mar 13, 2017

Crop Protection WCRC Croprotection-Asia WCRC1

Introduction                                                                Back to Table of contents The pink bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae) is a major world-wide pest of cotton.  Once the eggs have hatched and the larvae have entered into the bolls it is difficult to control using conventional insectic...

THAI COTTON GROWERS STILL FAR AWAY FROM IPM: CONTRIBUTION OF SYSTEMS APPROACH TO A BETTER UNDERSTANDING OF FARMERS' PRACTICES
on Mar 13, 2017

Crop Protection Croprotection-Asia

Abstract                                                                         Back to Table of contents On-farm surveys have been performed since 1991 in two cotton growing areas in Thailand for three cropping seasons. A systems approach focused on farmers' technical choices in relation to characteristics of the bio-physical and socio-economi...

IMPACT OF BOLL WEEVIL ERADICATION ON COTTON PRODUCTION AND INSECT MANAGEMENT IN VIRGINIA AND NORTH CAROLINA, USA
on Mar 13, 2017

Crop Protection WCRC Croprotection-NorthAmerica WCRC1

Abstract                                                                         Back to Table of contents A boll weevil (Anthonomus grandis [Boheman]) eradication program was begun in September 1978 as an approximately 6,000 ha upland cotton (Gossypium hirsutum L.) trial in the northeast counties of North Carolina (NC) and the southeast corner...

INSECTICIDE RESISTANCE IN HELICOVERPA ARMIGERA (HÜBNER): STATUS AND PROSPECTS FOR ITS MANAGEMENT IN INDIA
on Mar 13, 2017

Crop Protection WCRC Croprotection-Asia WCRC1

Abstract                                                                         Back to Table of contents Insecticide resistance and concomitant field failures to control the cotton bollworm, Helicoverpa armigera (Hübner) were first recorded in south India in 1987. During the 1992/93 cropping season a discriminating dose technique was used to r...

PYMETROZINE (CGA 215,944) - A NOVEL NEW CONTROL FOR SUCKING PESTS IN COTTON
on Mar 13, 2017

Crop Protection WCRC Croprotection-NorthAmerica WCRC1

Abstract                                                                         Back to Table of contents Pymetrozine is a novel insecticide for the control of aphids and other sucking pests in cotton and represents a new class of control agents.  The compound interferes in the feeding behaviour of insects and controls insects resistant to stan...

SCREENING OF SOMATIC MUTANTS FOR RESISTANCE TO VERTICILLIUM WILT IN GOSSYPIUM HIRSUTUM L.
on Mar 13, 2017

Breeding & Genetic improvement WCRC Breeding-Asia WCRC1

Abstract                                                                         Back to Table of contents Growth and phytotoxin-producing conditions of the Tianman isolate of V. dahliae were studied showing that filtrates of the pathogen cultures were able to make cotton seedlings wilt or die.  Furthermore, the filtrates decreased seed germinat...

INHERITANCE AND GENETIC EFFECT OF CLEISTOGAMY IN UPLAND COTTON
on Mar 13, 2017

Breeding & Genetic improvement WCRC Breeding-Asia WCRC1

Abstract                                                                         Back to Table of contents Generally Gossypium hirsutum and G. barbadense flowers are chasmogamous. A true-breeding, cleistogamous line was derived from the F2 population of an interspecific cross between G. hirsutum and G. barbadense.  The inheritance of cleistogamy...

IDENTIFICATION OF THE KARYOTYPE OF GOSSYPIUM BICKII PROKH.*
on Mar 13, 2017

Breeding & Genetic improvement WCRC Breeding-Asia WCRC1

Introduction                                                                Back to Table of contents Chromosome spreads from the root tips of Gossypium bickii Prokh. were analysed to establish an accurate karyotype.  Of 122 cells with clear chromosomes, about 60% (73) did not show any satellites.  Nine exhibited four visible satellites, one sma...

COMMERCIAL UTILISATION OF THE OKRA LEAF MUTANT OF COTTON - THE AUSTRALIAN EXPERIENCE
on Mar 13, 2017

Breeding & Genetic improvement WCRC Breeding-Australia WCRC1

Abstract                                                                         Back to Table of contents Effects of the okra leaf (OL) mutant of cotton on plant and agronomic traits, and its interaction with insect pests are reviewed.  While a number of favourable effects e.g. reduction of bollrot, earliness of maturity have often been noted,...