Always try less toxic alternative sprays first for the control of insect pests and diseases. Control is not exclusively dependent on the use of agricultural chemicals and more industries are gradually appreciating the benefits of an integrated approach, where both chemical and nonchemical treatments are used in an overall control strategy. Larvae are 12inchlong, orange pink in color, and have spots on their sides. Insect pest management of sweet potato and vegetable crops. The potato leafhopper migrates north in the spring, arriving before potatoes emerge. Insect and mite pests, pests, diseases, integrated pest. Biology and management provides a comprehensive source of uptodate scientific information on the biology and management of insects attacking potato crops, with an international and expert cast of contributors providing its contents.
However, knowing that only a few species have potential to be important as potato pests offers the chance to deploy specific monitoring tools such as pheromonebaited traps for adults. Icar syllabuscoursewise ecourse material is prepared for the benefit of undergraduate students already enrolled in indian agricultural universities. Insect pests of potatoes in home gardens vtechworks virginia. Potatoes strategies for pests and diseases potatoes. Potato, irishcutworm and armyworm pacific northwest. Zeller, is one of the most economically significant insect pests for potato in both. Ecology and management of sweet potato insects annual. Leafhoppers develop in alfalfa first, moving to potatoes later. They thwart some pests, too, such as the colorado potato beetle. Plant your potatoes late enough to miss the emergence of the beetles in the spring. Be sure to read a current product label before applying any chemical.
Potato diseases are caused by fungi, bacteria, viruses, mycoplasmas, a viroid, nematode m festations, and by abiotic, or noninfectious, entities. Biology and management provides a comprehensive source of. Major potato diseases, insects, and nematodes semantic scholar. Foreword 5 abbreviations and acronym 6 acknowledgements 7 introduction 9 section 1 factors constraining the potato subsector 11 technical factors socioeconomic factors 15 policy and institutional factors 17 section 2 good agricultural practices and potato production 19 gap concepts and principles 21 gaps in the potato subsector 23 production decision factors 25. The common black and yellowstriped potato bug, a very familiar insect, is the most serious pest of potatoes. Insect pests of sweetpotato and their management many insect species attack sweetpotato and the im. This cip manual, originally published in 1977, is an updated compendium of information describing major potato pests and diseases around the world. View ahdb pestipa edia, an essential tool for crop bug spotters. A variety of pest insects attack the potato crop and reduce yields. An encyclopaedia of pests and natural enemies in field crops. Trade name insects 1 moa code active ingredient restricted rate. Chapter 14 biological control of potato insect pests by dr. Insect pests affecting potatoes in tropical, subtropical. Vegetable insect mite pests university of maryland.
Several strategies are effective in controlling these pests. Due its global geographical distribution, potato is affected by a wide range of insect pests. Potato leafhopper direct feeding damage to foliage is the primary concern with leafhoppers. Robert l metcalf esther r metcalf ca 02015144 msds bonide delta eight insect control delta8 epa reg. Common pests of vegetable crops pacific northwest pest.
For example, sprays with insecticidal soap, horticultural oil, neem oil extract, spinosad, bacillus thuringiensis b. Insects such as leafhopper and psyllids cause injuries to the potato that are often confused with diseases caused by infectious organisms. The number of insecticides registered on potatoes is decreasing, and many of these pests have the ability to develop resistance to insecticides. About 50% of the potatoes harvested in maryland are for the fresh market while the. Pdf india has a great diversity of insect pests attacking potato.
Their damage can greatly reduce yield and even kill plants. Optimal rainfall cm 100150 5075 75100 250 115 optimal temperature. It is anticipated that at the end of june 20, the management of branched broomrape will be the responsibility of the farmer or property owner, in response to standards set by industry and requirements administered under the natural resources management act 2004. Insects such as leafhopper and psyllids cause injuries to the potato that are often confused with diseases caused. International year of the potato 2008 potato pest and. Depending on the structure of the ecosystem in a given area and mans view point, a certain insect might or might not be considered a pest. Culture management practices to combat tuber moth pdf field guide to potato pests in english and spanish bul 856 order online. Managing insect pests of potato extension entomology. Work in maine potato lady potato and garlic fertilizer 2 weeks prior to planting. Insect pests are of major concern to potato growers and include wireworms, nematodes, colorado potato beetles, aphids, cutworms, potato tuber worms, and many others. Integrated pest management has helped farmers drastically reduce the need for chemical controls while increasing production. Crop rotation, fumigation and resistant varieties are treatments. Ecofriendly insect pest management download ebook pdf.
In this book chapter we listed and described a total of 49 species. The pnw insect management handbook has no legal status, whereas the pesticide label is a legal document. Among those pests are three species of the gelechiidae lepidoptera. Intensive potato cultivation tends to increase pest and leads to intensive use of harmful pesticides. Occurrence of potato insect pests in the pacific northwest of the united states. It focuses on ecofriendly technology and approaches to mitigating the damage caused by insect pests with special reference to newer insecticides. Tomatoes looking for organic alternatives for pest management in the vegetable garden. Table 1 lists the natural and conventional contact insecticides for the control of insect pests of cucumbers, squash and melons. Leafhopper adults are wedgeshaped, 18 inch long, and lime green to yellow green in color. Brassica pests cabbage, cauliflower, broccoli, mustard greens caterpillar pests, cabbage maggot, flea beetles, thrips biocontrol and natural enemies potato leafhopper, onion thrips anticipating a problem. Specific information weeds, pests and diseases south australia branched broomrape.
Potato production in maryland continues to grow and has more than doubled in the last 5 years, while in surrounding states it has declined. More than 100 species of insects attack potato plants. The principal insect pests causing damage to potato tubers in oregon are the. Soil insects, primarily wireworms and white grubs, can severely damage seed pieces and tubers. The ultimate goal is a high yielding, weevil resistant cultivar that can be grown in south louisiana without the use of insecticides. Research conducted on sweet potato insect pest management systems will help growers reduce losses due to insect pests, enable growers to use insecticides more effectively, and increase their profitability.
Both the adult, or beetle, and the blackspotted, red larva feed on potato leaves. In all cases, follow the instructions on the pesticide label. About 3 mm long and generally spindleshaped, the potato leafhopper has a green body with. Controlling pests and disease the insect that most affects potatoes is the colorado potato beetle cpb. Soil insect pests and returning idle land to production. Quick guide to common potato pests beneficial insects. Insect pests have been defined by williams 1947 as any insect in the wrong place.
Soil insect pests and returning idle land to production download pdf. When you disable javascript, your interaction with the content will be limited. However, limit the use of broadspectrum contact insecticides, such as malathion, bifenthrin, cyhalothrin, cyfluthrin, permethrin, and pyrethrin, all of which kill beneficial predators and parasites of insect pests. Read the product label before making any pesticide applications. Potatoes can be attacked from the time seed pieces go into the ground until they are harvested. Alaska field guide to potato pests and beneficial insects in english and russian, bul 879. Sweet potato diseases and pests, description, uses. Gerald brust, has a 117 page publication you can download for reference. This new book on the sustainable management of insect pests in important vegetables offers valuable management strategies in detail. If you use a potato dust or spray, read and follow the directions carefully. Some insects can constitute a major threat to entire countries or a group of nations.
There are effective pheromone lures for both spotted cutworm z7tetradecenyl acetate and bertha armyworm z9tetradecen1ol acetate and z11hexadecen1ol. This topic covers the information related to insect, mite and nematode pests management for potato potato. Insects can feed on tubers, seed pieces, leaves, and stems from planting to harvest. Download the diseases and defects of the potato poster here. Insecticides approved for managing insect pests of sweet potato. Control of pests and diseases in potato crops can be achieved using biological, cultural andor chemical methods. Resistant potato varieties and improved cultural practices can reduce or eliminate many common pests and diseases. The plant has enlarged roots called tubers which act as an energy store for the plant. Study on insect pest diversity and their risk management options in potato among extension personnels of bangladesh. Potato leafhopper, empoasca fabae harris, cicadellidae, hemiptera. Must be tank mixed with and alternated with a nongroup 11 fungicide such as chlorothalonil, mancozeb, or copper.
The sweet potato plant is a branching, creeeping vine with spirally arranged lobed, heart shaped leaves and white or lavender flowers. Adult because many species of leafhoppers look alike, entomologists studying these insects must rely heavily on examination of internal genital structures, as well as external characters, to distinguish various species. Insect, mite and nematode pests management vikaspedia notice. Anrcatalog the place for advice on crop production, pest management, study materials for dpr exams, nutrition, or gardening the answers are at the click of a mouse. Pdf study on insect pest diversity and their risk management.
Commercial biotechnology solutions for controlling lepidopteran and coleopteran insect pests on crops depend on the expression of bacillus thuringiensis insecticidal proteins1,2, most of which. Sustainable potato production food and agriculture. Characteristics of root and tuber crops characteristics cassava potatoes sweet potatoes taro yam growth period mo. Sweet potato, ipomoea batatas, is an herbaceous perennial in the family convolvulaceae grown for its edible storage roots. There are very few soil insecticides available at this time. Other white grubs will also feed on sweet potato roots. Free download plant kairomones in insect ecology and control ebooks pdf author. The most serious pests are those whose immature stages feed on roots. Biology and management of the potato tuberworm in the pacific northwest, pnw 594. Organic vegetable insect management for your information. Pest management strategies for potato insect pests in. Biological control of potato insect pests mafiadoc.
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