Farmers knowledge and practices of potato disease management in. All seed potato crops to be certified under the standard must be inspected during crop growth. It is confirmed that spcsv enhances the accumulation of spfmv. Potato diseases fact sheets and information bulletins, the cornell plant pathology vegetable disease web page. Integrated pest management takes time, planning and patience for it to be a successful. Potato pests and diseases potatoes can suffer from a range of pests and diseases ranging from scab, which causes superficial damage, to blight, which can destroy a whole crop. Any activity of a parasite, predator, or pathogen that keeps a pest population lower than it would be. Guides to the most common potato pests and diseases from jba seed potatoes. Potato is one of the most widely grown crops in kenya. Effects of pest and soil management systems on potato. If you have severe disease problems, consider using a standard potato dust or spray regularly throughout the season. Intricacies of using phosphorous acid for potato disease control pdf phosphorous acid efficacy on storage disease control pdf portable test kits for diagnosing potato diseases, bul 883. Warm and wet periods favour the disease, and if not controlled, it can cause dramatic leaf loss, leading to yield reductions of up to 30%.
Its symptoms vary from mild mosaic to severe foliar necrosis and plant death. Optimal rainfall cm 100150 5075 75100 250 115 optimal temperature. Potato psyllid females lay eggs on suitable host plants. The risk is real potato growers face different types of biosecurity risks. Always purchase certified seed potatoes for planting. They can be prevented or controlled by following recommended practices in selecting resistant varieties, select. Order or download our potato diseases and defects poster potato disease videos.
Tomato crops can host of production problems and pathogens when conditions and maintenance are. The international potato center cip is a scientific, nonprofit institution dedicated to the increased and more sustainable use of potato. Compendium lists two, but a third has been identified since its. Woman gardener spraying young potato plants in spring vegetable garden. Potato diseases and pests, symptoms, control methods agri.
A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in africa. Applied horticultural research, queensland department of agriculture and fisheries, university of queensland. It is a global disease that has been present in gb crops for many years. The following information is about tomato pests and diseases that affect the tomato crop yield. Potato virus y management for the seed potato producer, cis 1165.
Diseases the most common sweet potato diseases are scurf, stem rot wilt, nematodes, black rot, and soft rots. In nature, the ring rot organism infects only potato, but under laboratory conditions it is also able to infect tomato, eggplant and a number of other solanum species. Insect pest management in potato university of maryland. These losses can result either directly from the insects or indirectly by transmission of diseases.
If you use a potato dust or spray, read and follow the directions carefully. Sweet potato diseases and pests, description, uses, propagation. List of pests completed with selected pictures unece. Potato diseases and pests, description, uses, propagation. Department of agriculture farmers bulletin 1881, potato diseases and their control, issued october 1941, and revised february 1948. Potato and pest and disease management international. A tremendous effort had been done by scotland in developing a disease and pest guide for seed potatoes, including photos from the website. Comon psts and diseases of potato common pests and diseases of potato plant doctor training cyst nematode nematode globodera pallida b.
Slug damage shows up as odd shaped holes on the surface leading into larger holes in the actual tuber itself. Other measures to protect the quality of seed crops may be adopted e. Potato diseases presents the practical experience and scientific research in production and the diseases of the seed potato. The temperature of 2836 0 c and 6292% relative humidity and scanty rainfall during august to january are quite favorable for this pest. Feb, 20 colorado potato beetle leptinotarsa decemlineata cpb is the most serious insect pest of potatoes in maryland and will also attack eggplant, tomato and pepper in that order of preference. The potato plant has a branched stem and alternately arranged leaves consisting of leaflets which are both of unequal size and shape. Increasing potato production while protecting producers, consumers and the environment requires a holistic crop protection approach encompassing a range of strategies encouraging natural pest predators, breeding varieties with pest disease resistance, planting certified seed potatoes, growing tubers in rotation with other crops, and organic. Potato diseases bacteria 5 fungi 30 plantparasitic nematodes 6 phytoplasmas 3 viruses and viroids 12 insect toxin 1 physiological disorders and injuries 26 taken from compendium of potato diseases, 2nd edition, 2001. The local market for potatoes from kentucky has resulted in increased interest in the crop by potential growers.
Comon psts and diseases of potato common pests and. Pdf on jan 1, 2009, chandla vk and others published management of pests and diseases of potato in organic farming find, read and cite all the research. Kansas state university agricultural experiment station and cooperative extension service this page was last edited on 5 october 2020, at. A free powerpoint ppt presentation displayed as a flash slide show on id. Potato diseases fact sheets and information bulletins, the cornell plant pathology vegetable disease web page external links edit sparks, adam. Potato and pest and disease management international year. In nature, the ring rot organism infects only potato, but under laboratory conditions it is also able to infect tomato, eggplant and a number of other solanum. Sweet potato virus disease is a disease complex caused by two viruses. Natural enemies and diseases can often keep aphid populations under control.
Pest control and disease control sweet potato ipomoea batatas. Insect, mite and nematode pests management vikaspedia. Characterization of physiological races of phytophthora infestans mont. Sweet potato diseases and pests, description, uses. The book features chapters on bacterial and fungal diseases, diseases caused by viruses, viroids, and mycoplasmas and by nematodes and insects, noninfectious diseases, and seed potato certification. Potato grower guide pdf a guide for beginning specialty crop. Potato pests and diseases sustainable market farming. The major crop diseases affecting potato production are potato late blight bacterial wut and a of other include black and powdery mildew. Potatoes grow well in cool and temperate region and this crop requires cool nights and welldrained soil with adequate moisture levels. Eleven generations of this pest are completed in a year. Identify the symptoms caused by fungi, fungallike organisms and bacteria that are capable of causing disease in potato tubers. Occurrence and distribution of potato pests and diseases. Characteristics of root and tuber crops characteristics cassava potatoes sweet potatoes taro yam growth period mo. The symptoms are sever stunting of infected plants, stunting, distorted and chlorotic mottle or vein clearing of the leaves.
Other potato diseases include rhizoctonia, sclerotinia, black leg, powdery mildew, powdery scab, leaf roll virus, and purple top. Observe leaves and stems and identify any visible disease symptoms and severity. You can enrich this article by leaving a comment or photo of your potato pests or diseases. From colorado potato beetle pests and fungal diseases in spring vegetable garden woman farmer with backpack hand sprayer protecting young potato plants. Management common scab can be very difficult to manage and prevention of the disease relies on combining several different methods. Diseases, pests and disorders of potatoes in israel 2006, 2nd edition.
Insects that commonly transmit potato diseases or damage the plants include the potato beetle, the potato tuber moth, the green peach aphid myzus persicae, the potato aphid, beetle leafhoppers, thrips, and mites. Suppression of such diseases and reduction of yield losses due to disease are a necessary part of increasing the food supply. Common plant diseases and pests north dakota state. Potatoes can be attacked by more than 150 insect pests. Increase water content in tubers, which leads to a shorter storage life and more postharvest physiological disorders. The virus just survives in the tubers and moves into the plant growing from the sick tuber. Insects that commonly transmit potato diseases or damage the plants include the potato beetle, the potato tuber moth, the green. The potato is the most popular common crop in india. This booklet will be translated in russian and french and will be made available. Solanaceae 0 home gardens can be source of infective propagules that threaten other small and large plantings 0 in some parts of the world, the pathogen can survive outside of the host as oospores special structures that survive in soil for long periods of time 0 in europe, mexico. These strains can infect a plant more rapidly, so limiting the curative effects of some fungicides. Late blight sources 0 infected potato, tomato, petunia, hairy nightshade 0 family. 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, the yield has been reducing significantly over the last decade, 12.
Growing a new crop often means dealing with a different pest complex. Potato plays an important role in food security in kenya but yields are low download pdf. The pathogen has been isolated from sugarbeet seed. Potato diseases and pests, symptoms, control methods. Ppt potato diseases powerpoint presentation free to view. They thwart some pests, too, such as the colorado potato beetle. Saving some of last years crop to plant is an invitation to many different diseases. The best strategy is to take the following steps to prevent problems arising. Those pathogens are air or soilborne and cause damages on all parts of the plant. Common pests of potato diseases miller research llc. Ideally, seed fields are isolated from commercial fields and home gardens from which potato viruses could be transmitted by aphids. The principals and practices of integrated pest management will become more important in the future. The presence of weeds, pests and diseases can mean that certain markets will not be willing to receive products grown in particular regions.
Alternaria, also known as early blight, is a mainly soilborne fungal pathogen that affects potato crops. The potato diseases and defects poster is available to download, or you can request a hard copy by calling 01406 359 419. Tomatoes are one of the most cultivated crops, tomato crops can be easily grown under proper conditions and regular maintenance. Section 5 potato fact sheets 77 potato and biodiversity 78 production of disease free seed tubers 80 potato pest and disease management 82 potato and soil conservation 84 potato and water resources 86 potato and food price inflation 88 bibliography 91 contents. Potato, solanum tuberosum, is an herbaceous perennial plant in the family solanaceae which is grown for its edible tubers. Comon psts and diseases of potato common pests and diseases. Fdacsp02026 pest alert pest alert updated 24november. Psyllidae a pest of solanceae and vector of plant pathogens established in the western usa susan halbert, susan. More detailed information on the symptomology and epidemiology of the diseases can be obtained from the following textbooks. These diseases and others can cause heavy losses in the. These are chemical mixtures that prevent some diseases such as late blight.
Indeed, diseases caused by viruses or viroids provoke. Pdf management of pests and diseases of potato in organic. In each region there are only a few species that could cause unacceptable losses of yield or quality. The potato root nematode is a microscopic worm that thrives on the roots, thus causing the potato plants to wilt. Marked progress has been made in the control of diseases of such crops as asparagus, cab bage, beans, tomatoes, potatoes, peas, lettuce, celery, and spinach through the breeding and selection of disease resistant strains and varieties. The sector contributes almost usd 30m per year and employs 3. Oct 26, 2018 are you growing potatoes on large scale. According to knowlton and janes 1931, females usually laid 550 eggs in a 24hour period.
Both the adult striped beetle and the blackspotted, humpbacked red larvae are foliage feeders. Tomato pests and diseases, symptoms, control agri farming. Abstract potato plays an important role in food security in kenya but yields are low potato pests and diseases in kenyan seed certified and quality declared and. This has been attributed to a number of problems but the most important being the high incidence of pests and diseases, some of which are seed.
Pdf integrated pest management of potatoes researchgate. A variety of pest insects attack the potato crop and reduce yields. A practical handbook dealing with the cultivation of the potato in allotment, garden and field. Jun 07, 2017 potato virus y can also devastate potato farms. Fdacsp02026 pest alert pest alert updated 24november2014. Occurrence and distribution of potato pests and diseases in kenya. The leaflets can be oval to oblong in shape and the leaves can reach 1030 cm 412 in in length and 515 cm 26 in wide. Ppt potato diseases powerpoint presentation free to.
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