Persistence of new insecticides and their efficacy against. Integrated pest management ipm in okra abelmoschus. Favorable weather conditions for rapid development and multiplication of a pest. Analysis of insecticides in okra and brinjal from ipm and. Okra variety sada bahar was less infested with jassid.
Insect species and description of damage caused on okra. Moench is an important warm season vegetable crop cultivated comprehensively in tropical and subtropical regions of the world. The larvae of this moth attack the shoots of plant by boring into it. Samples of okra and brinjal fruits, collected from nonintegrated pest management nonipm and ipm fields in village raispur, ghaziabad district u. Seasonal incidence of insects and diseases on okra. Insect pest infestation is one major factor affecting okra cultivation in.
Recently, okra has been added to the fruiting vegetables crop group tomatoes, peppers, eggplant, and there are now many more options for pest control. Economic appraisal of pest management options in okra n. Pests commonly found on okra department of entomology. Nawaz khuhro, khalid hussain dhilooefficacy of different ipm techniques for suppression of sucking pests of okra european academic research vol. The major problems of okra production in nigeria are insect pest infestations. A number of pesticides have been advocated for the control of okra pest complex. S department of crop production and horticulture, lagos state polytechnic, ikorodu.
Temperature, relative humidity and rainfall showed direct effect on the population trend of all insect pests. The present investigation was undertaken to evaluate the efficacy of new molecule, thiamethoxam 25% wg against the sucking pests of okra as it is a broad. For okra growing tips see okra growing success tips at the bottom of this post. The leaves are 1020 cm 48 in long with 57 lobes the plant produces flowers with five white to yellow petals which are 48 cm 1. Moench, is an important vegetable crop grown all over india and tropical and subtropical parts of the world.
Management of insect pests of okra abelmoschus esculentus l. Biodiversity of insect pest complex infesting okra. As many as 72 insect species have been recorded on okra 9. Use of insecticides which kill the natural enemies of a pest, exert other effects favorable to a pest, or. Historically, relatively few insecticides and miticides have been registered for use on okra making it difficult to manage insect and mites. Fruit has irregular yellow areas which follow a longitudinal alignment. Screening of okra varieties resistance against insect pests under. Whitefly infestation all the treatments were found superior over control. Moench in thailand 211 10 weeks after planting on the cultivated plot of the okra.
However, the yield of okra has been reported to be very low in nigeriai hardly up to lha schippers, 2000. Introduction morning hrs 7 am to 9 am and second time in evening hrs5pm oday the pest becomes major concern for the farmers across the world. Pods curled or with wartlike protrusions commonly indicate earlier feeding damage by stink bugs and or leaffooted bugs. Analysis of insecticides in okra and brinjal from ipm and non. The incidence of whitefly remained low throughout season during summer, 2015. Natural remedy to rid insect pests that eat okra plants ehow. Comparative efficacy of plant extracts with synthetic. Okra can fall victim to several pests and diseases. Biodiversity of insect pest complex infesting okra abelmoschus. Integrated pest management of okra international journal of. Oligophagus, cotton, bhendi, hibiscus, holly hock and other malvaceous vegetables. Index terms insect pest, hemiptera, lepidoptera, coleoptera i. Moench is an important vegetable crop cultivated for its nutrition content and potential for economic. The residues persisted upto 10 days with halflife of 1.
Pdf on jul 20, 2018, aishwarya ray and others published studies on insectpests of okra abelmoschus esculentus with. A staple in many southern gardens due to its ability to withstand extreme heat, okra is a versatile vegetable used in soups, stews and gumbo, as well as baked, steamed, fried, boiled, grilled or pickled. Okra is a good source of vitamin a, b, c and protein, carbohydrate, fats, minerals, iron and iodine jha and dubey, 1998. Persistence and efficacy of bifenthrin 25 and 50 g ai ha. Dampingoff kills seedlings before or soon after they emerge. Pests commonly found on okra insect identification lab.
Okra abelmoschus esculentum is a warm weather crop grown in the summer throughout florida, but commercial production is concentrated in south florida where it can be grown most of year. In world food plant are damaged by more than 10,000 species of insects dhaliwal et al. Corn earworms are 1 12inchlong caterpillars that feed on several different crops. It is often grown as a second crop after more valuable vegetables. However, these varieties showed some degree of resistance against sucking insect pests. Efficacy of selected insecticides and botanicals in the. Preliminary studies on incidence of insect pests on okra abelmoschus esculentus l. Management of insect pests of okra abelmoschus esculentus. Effects of chemical constituents on insect pest population in.
The productivity of our country is low compared to other countries due to yield losses caused by insect pests, diseases and nematodes. Pdf screening of different varieties of okra abelmoschus. A survey of incidence and severity of pests and diseases of. Sucking pests on okra 246 respectively, no pest population was observed fig. Okra, abelmoschus esculentus, is an herbaceous annual plant in the family malvaceae which is grown for its edible seed pods. Brown in okra from tamaulipas, mexico adjacent to the lower rio grande valley in the fall of 1994. Okra, irrational, pesticides, insect pest and yield 1. D ratio can vary depending on the feeding potential of natural enemy as well as the type of pest.
In ghana, it is grown for its immature edible pods. The occurrence and intensity of damage caused by them varies from different crop growth stages. Recently, okra has been added to the fruiting vegetables crop group tomatoes, peppers, eggplant and when this change is published in the federal register there will be many more options for pest control. Cool, cloudy weather, high humidity, wet soils, compacted soil, and overcrowding especially favor development of dampingoff. Pdf insect pests of okra and their management santoshkumar. Armyworms will cause closely grouped and irregular holes in the leaves of the okra plant. The natural enemies of okra pests can be divided into 3 categories 1. Historically, relatively few insecticides and miticides have been registered for use on okra making it difficult to manage insect and. Insect pest infestation is one major factor affecting okra cultivation in ghana. As a member of the malvaceae family, which includes hibiscus and hollyhock, okra grows 6 feet or taller while blooming big, beautiful yellow flowers. Important activities for pest free 500okra fruit production for export recommended pesticides against okra insect pests pestspesticides a dosage waiting period days. Pdf susceptibility of okra to major insect pests under open field.
Soil fertility is usually maintained by the application of organic and inorganic fertilizers okigbo. These pests are also known as tomato fruitworms, podworms, cotton bollworms and vetchworms. Okra plays host to a few common pests, including corn earworm, aphids, flea beetles and green stinkbugs. Arthropod pests of okra include caterpillars larvae of lepidoptera, aphids, thrips, whiteflies, and mites. During summer season, the least white fly population was recorded in variety v3 gujarat okra 2 1. Awan2 1department of entomology, sindh agriculture university, tandojam, sindh, pakistan 2department of agriculture and food technology, karakorum international university, gilgit. Natural remedy to rid insect pests that eat okra plants.
The adults and nymphs of this insect feed on the plants by sucking the sap. Field insect pest of okra abelmoschus esculentus in akure benson, g. Pakistan, india, sri lanka, bangladesh, myanmar, indonesia, new guinea and fiji. A field study of pest of cauliflower cabbage and okra in some areas of jaipur deeplata sharma1 and d v rao1 research paper in the present study different insect pests of cauliflower, cabbage and okra crops were studied. Many of the pests occurring on cotton are found to ravage okra. Moench, also known as ladys finger or bhendi, belongs to family malvaceae and is an important crop grown throughout the year.
Improvement of soil fertility through the application of fertilizers has become an essential factor that enables the world to feed billions of people of its population brady and weil, 1999. Okra plants have small erect stems that can be bristly or hairless with heartshaped leaves. Apr 14, 2017 pests and diseases of okra marisha mc guirk. Preliminary studies on incidence of insect pests on okra. Okra abelmoschus esculentus,moench also known as lady finger or bhendi, belongs to family of malvaceae and is an important vegetable crop the crop is attacked by more than 72 insect pests and infests the crop from seedling to harvest stage. The initial symptom on young leaves is a diffuse, mottled appearance. Tripura during two seasons viz, summer april to july, 2016. Effects of chemical constituents on insect pest population. Integrated pest management of okra insect pests zakir ali bhutto, fida hussain magsi, abid ali soomro, maqsood ahmed chandio, naveed ali channa, shahid hussain lasha ri, sanaullah mangi.
Field experiments were conducted to study the biodiversity of insect pest species infesting okra in. Besides india, it is grown in many tropical and subtropical parts. Comparative efficacy of plant extracts with synthetic against. Pdf effect of irrational use of pesticides on insect pests. Awan2 1department of entomology, sindh agriculture university, tandojam, sindh, pakistan 2department of agriculture and food technology, karakorum international university, gilgitbaltistan abstract. Ten different ipm treatments including control were followed. Organic method to kill bugs on my okra plants home. Organic method to kill bugs on my okra plants home guides.
Roselle and cowpea plants are effective as a trapped crop, control insect infestation to minimum and results in increase yield of okro plant. Insect management for okra horticulture international. A survey of incidence and severity of pests and diseases. The higher activity of mite was recorded during 4th week. For the identification of insects and mites, contact a local virginia cooperative extension office, or find information about offices in your state. Major pest status of insect pests as recorded in these two studies 14, 3 in april sown a crop of okra are in agreement with the present findings. Okra diseases and pests, description, uses, propagation. Gujarat okra2 was sown at a spacing of 60 x 30 cm with a plot size of 4. How to manage insect pests of bhindi or okra abelmoschus. Avoidable losses, insectpest, jassid, okra, shoot and fruit borer introduction among vegetables, okra abelmoschus esculentus l. The time in which symptoms of plant injury occur is related to nematode population density, crop susceptibility, and prevailing environmental conditions. Seasonal incidence of sucking insect pests on okra.
Introduction okra abelmoschusesculentus l moench is one of the most widely grown and consumed vegetables. Pdf effect of irrational use of pesticides on insect. Nov 11, 2019 okra plays host to a few common pests, including corn earworm, aphids, flea beetles and green stinkbugs. Performance of different okra varieties against pests and diseases 237 okra1 during rainy season. Those pests who damage these crops are diamondback moth plutella xylostella, cutworm. Introduction of a pest into a favorable new area without its natural enemies. The plant is rich in minerals, carbohydrates fibre, protein, fat and phenols 2. During summer season, the least white fly population was recorded in variety v3 gujarat okra2 1.
It also bores into the fruits which are rendered unfit for human consumption. Efficacy of different ipm techniques for suppression of. Performance of different okra varieties against pests and diseases 237 okra 1 during rainy season. Okra is an easy and prolific vegetable to grow with only a few garden pests. Okra abelmoschus esculentum is a warm weather crop grown in the summer throughout florida, but commercial production is concentrated in south florida where it can be grown most of the year. Procedure for export of okra to european union due to repeated detection of exceeding levels of residues of agrochemicals in okra exported from india to eu countries during the recent past, the european commission has issued regulation eu no. Damage to the foliage is normally unimportant, unless japanese beetle populations are unusually high. Blister beetle, red cotton bug and shoot and fruit borer have earlier been reported to be. The present study on irrational use of pesticides on okra crop was carried in order to focus overall environment degradation and adverse effect on human health at tando jam, district hyderabad.
Okra seed is commonly planted at a rate of 10 lb per acre but this quantity is vastly reduced by the use of precision planting methods. Buildup of insect pests and their natural enemies on rotated and. Avoidable losses, insect pest, jassid, okra, shoot and fruit borer introduction among vegetables, okra abelmoschus esculentus l. Ii, issue 8 november 2014 10741 methodology the subz pari variety of okra was grown on 5 equal sized plots 80. Apr 16, 2008 samples of okra and brinjal fruits, collected from nonintegrated pest management nonipm and ipm fields in village raispur, ghaziabad district u. The shoot and fruit borer earias vittella, fruit borer helicoverpa armigera, leaf roller sylepta derogata, leafhopper amrasca biguttula biguttula, whitefly bemisia tabaci, aphid aphis gossypii. Okra table 1 shows the efficacy of insecticides on whitefly and shoot and fruit borer in okra. Okra can be grown with ease wherever sweet s grown. Infection before seedling emergence results in poor germination. However, highest percentage of reduction in pest population 58. The total area under okra in the world is reported to be 1.
Grown for its fleshy seedpods, okra doubles as an ornamental plant. The crop is attacked by more than 72 insect pests and infests the crop from seedling to harvest stage. Okra is often associated with the souththink gumbo soup, but it grows well in northern gardens as well. Okra is available almost throughout the year and cultivated even in poor soils and dry areas 3. Moench is an important fruit vegetable in the tropics including nigeria. Insects affecting okra plants include armyworms, corn earworms, cucumber beetles, cabbage loopers and more. Journal of biology, agriculture and healthcare issn 22243208 paper issn 2225093x online vol. Effects of chemical constituents on insect pest population in west african okra, abelmoschus adewusi, o. However, they are partially effective or become ineffective in due course of time due to several reasons. Field study on integrated pest management of okra insect pests was carried out at experimental area of faculty of crop protection, sindh agriculture university, tandojam during the year 2016. Table1 mean population of insect pests and beneficial insect. In world food plant are damaged by more than 10,000 species of. The specific objectives were to determine the effect of levo on i the incidence of insect pests of okra, ii damage caused by the insects on okra, and iii fruit yield of okra. They feed heavily as larvae and cause skeletonized leaves.
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