Western spotted cucumber beetle and western striped cucumber beetle are the two most common to attack vine crops in the west. Cultural control mosaic diseases are managed by using good quality seed and by controlling aphids and cucumber beetles throughout the season. Cmv overwinters in wild cucumber seed and in wild perennial milkweed, ground cherry, and matrimonial vine. Pests, diseases and disorders of carrots, celery and parsley a field identification guide jenny ekman and len tesoriero. Unfortunately, there are plenty of insect pests that might get to the cucumbers before you do or transmit diseases, rendering plants unable to produce. Vegetables pests and diseases penn state extension. Squash diseases and pests, description, uses, propagation.
Depending on the cucumber variety you plant, you may rarely have problems with other cucumber diseases. Managing cucumber beetles to reduce bacterial wilt in cucumbers 20 farming practices to manage cucumber beetles in cucumber crops, by mary gardiner 20 seed treatment for cucurbits 2009 with audio efficacy and cost comparisons of using insecticide seed treatments on cucurbits 2009 cucumber beetle management by mass trapping 2008. Cause several viruses can cause a mosaic symptom including cucumber mosaic virus cmv, zucchini yellows mosaic virus zymv, and watermelon mosaic virus 2 wmv2. Although feeding damage by adult beetles is less serious to plants. Pdf the incidence pattern of bactrocera cucurbitae coq. Some insect pests are specific to cucurbits, but most are pests of other crops as well. Do not plant cucurbits near woods, brushy areas, or other areas that are weedy. Cucumber beetles, squash bugs, squash vine borers and other pests can attack cucumbers.
May be caused by cucumber mosaic virus cmv, squash mosaic virus sqmv, watermelon mosaic virus. Cucumber beetles are spotted yellow beetles that cause stunted seedlings and damaged leaves, as well as plants exhibiting signs of bacterial wilt and will scar the okra. Funding for this publication is from the university of kentucky pest management program. Dec 16, 2016 a list of cucurbit pests and diseases. If youhave to buy plants,insist that theybe free from these pests.
Each is spread by aphids, and cmv also may be spread by cucumber beetles. Morrison iii 2, benjamin werling 3, nicole quinn 2, zsofia szendrei and amanda buchanan 2. These crops, are attacked by a variety of insects and related pests, including aphids, cucumber beetles, seedcorn maggot, squash bug, squash vine borer, and twospotted spider mite. Knowing something about common cucumber pests can help you prevent those pests and deal with. Adults are about 14 inch long with black heads, yellow thorax and yellow wing covers. Cucumber cucumis sativusvirus diseases pacific northwest. The goal of a sound fertility program is to supply adequate nutrients with optimum timing for maximum economical crop yield, while avoiding excesses that can degrade water quality or adversely affect crop or soil quality. Cucurbit pest management university of maryland extension. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. For the identification of insects and mites, contact a local virginia cooperative extension office, or find information about offices in your state. Jan 27, 2020 gummy stem blight is a stem and leaf disease of cucumber, cantaloupe, pumpkin and watermelon caused by the fungus didymella bryoniae. Download pdf pests beneficials diseases and disorders in. Sudden cold snaps can kill the plants as well, so protecting cucumber plants is of paramount importance.
Coriander, coriandrum sativum, is an erect annual herb in the family apiaceae. Diseases and insects in michigan cucurbits and their management by charles krasnow 1, mary hausbeck, alexandria bryant 2, william r. Potato diseases are caused by fungi, bacteria, viruses, mycoplasmas, a viroid, nematode m festations, and by abiotic, or noninfectious, entities. The leaves of the plant are variable in shape, broadly lobed at the base of the plant, and slender and feathery higher on the flowering stems. Dwarfing and narrowing of leaves in the pepper bush produced by the pathogen called cucumber mosaic virus in pepper. Information about managing pests of cucumbers in gardens and landscapes from uc ipm. Although several species of aphids may be found on cucumbers, the melon aphid also known as the cotton aphid is the most important as a. Cucumber yields are frequently reduced by a myriad. The cucumber plant is a sprawling vine with large leaves and curling tendrils. Common disease and insect pests of the vegetable garden.
Gnld super gro is a fertiliser that can be used for cucumber crops. Insects such as leafhopper and psyllids cause injuries to the potato that are often confused with diseases caused by infectious organisms. Pests can wreak havoc on cucumber plants, reducing overall yield and possibly killing the plant itself. It isnt just insects that cause cucumber plant damage, however. Lists of diseaseresistant vegetables recommended for use by illinois gardeners are given in circular 31 vegetable gardening in the midwest. Foliar diseases of cucurbits plant pathology university of kentucky. Coriander cilantro diseases and pests, description, uses. None of the following pests need routine control measures, but they do need to be regularly monitored and treated when the pest becomes a problem. Squash is the collective name given to several species of plant in the genus cucurbita, including c.
Click here to download a pdf version of this spotlight angular leaf spot, bacterial wilt, phytophthora crown and root rot, and powdery mildew are important diseases on cucumber. This article will discuss the most common cucumber diseases, what causes them, and how to treat and prevent them. A list of cucurbit pests and diseases farmers weekly. Alternaria leaf blight creates yellowbrown spots with a halo which appears on older leaves first. Tips on dealing with worms, maggots, leafminers, beetles and mites, and scouting pests with your smartphone. Diseases of cucurbit vegetables department of primary. Tomato disease and insect control manual with variety selection anthony carver extension agent grainger county 3 disease identification pictures taken from cornell university, rutgers university, a. Disease management in the home vegetable garden diseases occur when environmental conditions are suitable for pathogens to develop on susceptible plants. Insect scouting is needed to monitor insect populations and damage. The pepper is original from america, mexico, guatemala. Pepper treatments, most common diseases and pests of this vegetable the pepper capsicum annuum is a plant that occupies an important place amongthe worldwide vegetable crops. Keep your vineyard healthy by staying on top of pest activity with this set of 50 sturdy, pocketsize laminated cards. Consult our pest guides below to find out how to identify common cucumber pests. University of californias official guidelines for pest monitoring techniques, pesticides, and nonpesticide alternatives for managing pests in agriculture, floriculture.
An ipm scouting guide for common problems of cucurbit crops in kentucky this manual is the result of efforts of the university of kentucky vegetable ipm team. Aphids, cucumber beetles, whiteflies, and thrips are some of the important insect pests of cucumber. Cucumbers cucumber seeds available at apply kaolin clay and if necessary, use an insecticide. Field identification guide the field identification guide is designed to assist producers, workers, students and consultants to correctly identify pests, diseases, disorders and beneficials of greenhouse vegetable crops in australia. These attacks not usually fatal, but monitoring your garden regularly makes you aware of a problem early enough to prevent major damage and nip it in the bud. Cucumbers planting, harvesting, pests and diseases.
Cucumber treatments, most common diseases and pests. Gardening in your yard has major upsides, but it has one irritating downside. Dealing with powdery mildew, fusarium wilt, aphids and other threats to your crop. Aug 16, 2019 bifenthrin, cyhalothrin, or cyfluthrin will control cucumber beetles, squash bugs, squash vine borers and pickleworms, but wait 3, 3, or 7 days, respectively, after spraying before harvest. Squash plants are are herbaceous annual plants which are either trailing vines or bushlike in morphology.
Cucumber yields are frequently reduced by a myriad insect, disease, and weed pests. Scouting a field to estimate the number of pests present is an important component of effective management. Diseasesandinsectsareoften introduced into gardens and fields on transplants. It is very important to know the diseases and pests that attack this plant, and to apply the necessary plant protection products correctly and efficiently. Pepper treatments, most common diseases and pests of. First and foremost, adhering to bestpractices for carrot culture is the ounce of prevention that puts you ahead of disease pressure. Sudden cold snaps can kill the plants as well, so protecting cucumber plants is. This disease often occurs in hot areas with frequent rainfall. Refreshingly crisp and juicy when the weather is hot and steamy, they are a light, replenishing snack right off the vine.
Angular leaf spot is one of the most widespread diseases of cucumber. Cucumber treatments, most common diseases and pests of. Second, because inadvertent damage to roots, whether incurred mechanically or by pests, can often lead to secondary infections, its wise to scout. Pests such as caterpillars, beetles, slugs and other large pests can be easily removed by hand when infestations are low. While the eastern shore is best known for watermelon and pickle production all cucurbits are grown throughout the state with. Also, some pathogens can attack all plant parts, while other attack only selected plant parts. It starts as a white, powdery growth on the upper surface of leaves, and leads to reduced yield.
To prevent them, use floating row covers, apply kaolin common pests and diseases. This primefact covers common cucurbit diseases caused by fungi, bacteria and viruses. You can start cucumber seeds indoors in peat pots and transfer them out into the garden. Management strategies may include cultural practices as well as. Angular leaf spot, bacterial wilt, phytophthora crown and root rot, and powdery mildew are important diseases on cucumber. Time of occurrence, severity, and the yield losses resulting from these diseases vary with geographic region.
Major insect pests include cucumber beetles, red pumpki n beetles, fruit ies, hadda beetles, squash bugs, aphids, white ies. For example over 40 different diseases are known to infest this crop. Alternaria leaf blight creates yellowbrown spots with a halo which appears. You can avoid these problems by choosing diseases resistant cucumber varieties.
Diseased plants may not produce as much fruit if any, and any fruit that is produced may not be palatable or edible. Some pathogens attack a wide variety of plants and others attack only specific plants. Recommendations for managing weeds, pests and diseases in vegetables like corn, tomatoes, potatoes, onions, asparagus, squash and peppers. Management strategies may include cultural practices as well as the use of insecticides.
Use mosaic disease resistance variety seed for sowing. Field cucumber production guidelines for hawaii hector r. This fungus also causes a fruit rot called black rot. Yearround ipm program for cucurbits 911 seedlings cotyledons to 4 leaves vegetative growth. Your cucumber plant may be infected by bacterial, viral, andor fungal pathogens. Although descriptions of the more common diseases have been given to assist with identification, it can be difficult to diagnose some diseases with similar symptoms. Pdf important insect pests of cucurbits and their management. If you treat the crop against a certain pest or disease, you can use the fertiliser as it will help the plant to recover, but it will not do anything against phytosanitary problems. Bifenthrin, cyhalothrin, or cyfluthrin will control cucumber beetles, squash bugs, squash vine borers and pickleworms, but wait 3, 3, or 7 days, respectively, after spraying before harvest. Can you really use nasturtiums for pest management. Thrips are small 125thinch long, slender insect with sucking and. Soil nutrient management and cultural practices cultural practices are of value in management of nutrients, weeds, diseases, or insects.
Cucurbit pest management cucurbits watermelon, summer and winter squash, cucumber, pumpkin, cantaloupe, etc. Symptoms include leaves with brown or tan spots of various sizes that may eventually cover the entire leaf. Diseases that can affect cucumbers include alternaria leaf blight, anthracnose, belly rot, cucumber wilt and cucumber mosaic. Fortunately, lots of these diseases can be treated. A few of the most common cucumber diseases include powdery mildew, bacterial wilt, cucumber beetles, cucumber mosaic, and downy mildew. Cucumber, cucumis sativus, is a warm season, vining, annual plant in the family cucurbitaceae grown for its edible cucumber fruit.
The plant may have 4 or 5 main stems from which the tendrils branch. Insect pests can do damage wherever cucurbits are grown. This mixture doesnt actually kill any pests, but it does encourage them to move elsewhere. Gummy stem blight is a stem and leaf disease of cucumber, cantaloupe, pumpkin and watermelon caused by the fungus didymella bryoniae. Control measures should be directed towards the insect vector or host plant resistance. Diseases and insects in michigan cucurbits and their. Pests, diseases and disorders of carrots, celery and parsley. There are other less common diseases affecting cucurbits which are not covered here. It does not affect the pests or diseases of the cucumber. This is the perfect quick reference to identifying and monitoring vineyard diseases and pests. Fruit fly, one of the most important pest of cucumber along. Click here to learn more about nasturtium insect management, along with a few helpful tips on how to control pests with nasturtiums. Take a peek at the article below to learn how to keep your cucumbers happy, healthy and tasty.
Cucumber beetle damage can occur on the watermelon fruit. The viruses are transported mainly by infected seed or insects such as aphids or cucumber beetles. Uk vegetable ipm team kenny seebold, extension plant pathologist. Contents insects aphidcarrot willow 2 aphidgreen peach 3 beet armyworm 4 carrot rust fly 5 carrot weevil 6 cutworm 7 earwigblack field, european 8. Click here to download a pdf version of this spotlight. For pickling cucumbers, the varieties, mr17, smr18, smr58, and pioneer, have high tolerance and are recommended for planting. One method of physically controlling pests is to remove and destroy the insects, the infested leaves or the part of the plant that is severely affected. Angular leaf spot see cucurbits, angular leaf spot, 9. Common disease and insect pests of the vegetable garden kirsten ann conrad, extension agent virginia cooperative extension horticulture help desk 703 228 6423 1. The use of welladapted, diseaseresistant varieties is the simplest and most efficient method of controlling many diseases.
Pests, diseases, disorders and beneficials in greenhouse vegetables. Pests commonly found on cucumber department of entomology. Cucumber diseases and pests, description, uses, propagation. The pathogen is spread by splashing water, insects, contaminated equipment, and workers.