Virus diseases of cucurbits several viruses can infect cucurbit crops. Leaf and fruit diseases of cucurbits ii ct integrated. Uc management guidelines for cucurbit yellow stunting. A gourdshaped flask forming the body of an alembic, formerly used in distillation. Disease control in cucurbits vegetable diseases cornell.
Fungal diseases commonly encountered in snapdragons include downy mildew, powdery mildew, botrytis blight, and various leaf. Compendium of blueberry, cranberry, and lingonberry. We gratefully acknowledge the cooperation of allen stevens, elizabeth bernhardt, jeff dodson, and jon watterson, seminis vegetable seeds, inc. Middle english cucurbite, from old french, from latin cucurbita. Cucurbit downy mildew nc state extension publications. Select varieties recommended for south carolina, especially those with some degree of disease resistance table 1. For you compendium of cucurbit diseases disease compendium series. Signature symptoms 2000 also see the news article managing bacterial wilt affecting cucurbit crops june, 2001. The compendium of blueberry, cranberry, and lingonberry diseases and pests, second edition is organized into four major parts select the contents tab above for the full list of nearly 150 diseases, pests, and disorders across these three crops infectious diseases e. Enz ymelinked i mmunosorbent assay is widely used for the detection of plant. Many diseases of cucurbits can be prevented or minimized in the home vegetable garden by using the following simple cultural controls.
Control is achieved with protectant fungicides like bravo group m5 and is especially needed during cool and wet springs and summers. The plant may have 4 or 5 main stems from which the tendrils branch. This virus was first detected in southern california and arizona in fall of 2006, infecting cantaloupe and. Managing diseases is a very important component of production for melons, cucumbers, squashes, pumpkins, and other cucurbit crops. Pests, beneficials, disorders and diseases in cucurbits. Watt, extension plant pathologist for information about umaine extension programs and resources, visit extension. This easytouse book provides the most current, practical information on the diagnosis and management of cucurbit diseases. Alternaria leaf spot is caused by the fungus alternaria cucumerina. This water mould is an important pathogen of all these crops, especially in areas with high humidity and.
Isolates belonging to clade 1 tend to more frequently infect watermelon, pumpkin, and squash while. There has been a longstanding need for a comprehensive, authoritative, and uptodate account of cucurbit diseases. This yearround ipm program covers the major pests of cucurbits in the sacramento, san joaquin, coachella, palos verde and imperial valleys, as well as riverside county. There are other less common diseases affecting cucurbits which are not covered here. Cucurbit diseases and their management cornell university. This primefact covers common cucurbit diseases caused by fungi, bacteria and viruses. Management of gummy stem blight black rot on cucurbits in. Compendium of lettuce diseases is an international account of diseases of crisphead, romaine or cos, butterhead, and leaf lettuce all types of lactuca sativa l. Everyday low prices and free delivery on eligible orders. Wherever your cucurbits are grown, the new compendium of cucurbit diseases and pests, second edition provides the latest pest management and diagnostic information to suppress diseases of all.
Diseases of cucurbit vegetables department of primary. Pseudoperonospora cubensis is a species of water mould known for causing downy mildew on cucurbits such as cantaloupe, cucumber, pumpkin, squash and watermelon. Cucurbit yellow stunting disorder is a primarily a disease of cucurbits e. All cucurbit species are susceptible to the virus, some cucumber varieties have been developed which have some resistance to the disease and are available in canada and europe. Affected leaves display a range of unusual symptoms including mosaic patterns in different shades of green and fingerlike distortion of leaf shape. Practise rotation and destroy plant debris by burning, if possible, or ploughing in. Cracking is often visible on the stem, accompanied by gummy ooze figure 5. Pdf compendium of lettuce diseases disease compendium series disease compendium series. Any of various mostly climbing or trailing plants of the family cucurbitaceae, which includes the squash, pumpkin, cucumber, gourd, watermelon, and cantaloupe. Wherever cucurbits are grown diseases can cause damage. Cucurbit crops comprise almost 30% of all vegetable crop acreage in new england, and are grown on over 4,000 acres in massachusetts.
Anthracnose fruit rot, bacterial canker, fairy ring, leaf mottle virus. No cucurbit cultivar resistant to alternaria leaf blight has been reported. Important diseases of cucurbitaceous crops and their management. The already extensive list of more than 200 cucurbit diseases has expanded recently to include cucurbit yellow vine disease, acremonium collapse, rhizopycnis root rot, bacterial blight, cucumber root mat, cucurbit yellow stunting disorder virus, cucurbit. Key resource contributed use this book to identify, control, and prevent diseases and disorders of. Cankers develop on the stem that can be red, brown, or black in color, and a red to amber gummy substance can exude. Pathogen free seed produced in semiarid area should be planted. Cucurbit genomics database cugendb manuscript published in nucleic acids research oct. All fungicides labeled for the control of cucurbit diseases are listed in table 1, and are arranged by the fungicide group numbers assigned by the fungicide resistance action committee frac. The department of plant pathology the ohio state universityoardc 1680 madison ave. Introduction alternaria cucumerina is a fungus of worldwide occurrence which can infect most cucurbits. In particular, phytophthora capsici has increased dramatically in the past five years and is causing severe crop losses and infecting more and more. Use of antibio ticproducing soil fungi and bacter ia, that is, gliocla dium sp p.
Cucurbit vegetables include cucumbers, zucchini, pumpkins, squash, watermelons, cantaloupes, bitter melons, gourds, and hairy melons. The disease consists of two different races pathovars race 1 targets the stems, roots, and fruit of the plant while race 2 only targets the fruit. Oct 01, 2016 pdf online compendium of lettuce diseases disease compendium series disease compendium series. Dec 16, 2011 diseases of cucurbits types of cucurbits those grown in il production facts etc. This disease is caused by the funguslike pathogen pseudoperonospora cubensis cucurbit downy mildew spreads rapidly and can cause extensive yield loss. University of californias official guidelines for pest monitoring techniques, pesticides, and nonpesticide alternatives for managing pests in agriculture, floriculture. Find more of our publications and books at extensionpubs. In the 20 years since aps press published the first edition of compendium of cucurbit diseases, worldwide production of watermelon, cucumber, melon, and squash has roughly doubled. Isolates belonging to clade 1 tend to more frequently infect watermelon, pumpkin, and squash while isolates belonging to clade 2 more frequently infect. Details on carrying out each practice, example monitoring forms, and information on additional pests can be found in the cucurbit pest management guidelines pmg. Compendium of cucurbit diseases disease compendium series. Compendium of tomato diseases and pests, second edition. M download it once and read it on your kindle device, pc, phones or tablets.
Buy compendium of cucurbit diseases and pests, second edition by a. Use features like bookmarks, note taking and highlighting while reading compendium of cucurbit diseases and pests. This compendium describes infectious diseases caused by fungi, bacteria, nematodes, viruses and a phytoplasma, and noninfectious disorders such as air pollution, allelopathy. Fungicides that are protectant in nature page 1 have been assigned to group m for multisite activity or have other means of activity. The key component of the project vg07015 pests, beneficials, disorders and diseases in cucurbits.
Compendium of cucurbit diseases and pests, second edition. Each section is written by experts throughout the world and edited by a team of three editors who have a combined 98 years of experience. Diseases can be a limiting factor in the production of snapdragons. This disease occurs on all continents on cucumber, gherkin, muskmelon, pumpkin, squash, vegetable marrow, and watermelon. Cucurbit downy mildew is caused by the funguslike oomycete pathogen pseudoperonospora cubensis p. Fusarium rot of cucurbits is a fungal disease that can affect the roots, stem, and fruit, particularly pumpkins and squash. Cucurbits are warm weather crops which are grown in most frost free areas of australia. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. Genome and annotation cucumber chinese long genome sequence and predicted genes cucumber gy14 genome sequence and predicted genes cucumber pi183967 genome sequence and predicted genes watermelon 97103 genome sequence and predicted genes watermelon charleston gray genome sequence and predicted genes.
Cucumber, cucumis sativus, is a warm season, vining, annual plant in the family cucurbitaceae grown for its edible cucumber fruit. Leaf and fruit diseases of cucurbits i ct integrated. Compendium of cucurbit diseases and pests, second edition by. Enter compendium of tomato diseases and pests, second edition. Pdf important diseases of cucurbitaceous crops and their. The number, severity and complexity of diseases attacking these vital crops have increased in the past decade. Affected leaves display a range of unusual symptoms including mosaic patterns in different shades. Download compendium of rose diseases and pests 2nd edition read free. Compendium of blueberry, cranberry, and lingonberry diseases. Cool, wet conditions tend to be the most favorable for this pathogen to grow. Field identification guide is the publication of a practical field guide which will assist cucurbit growers with the identification of insects, diseases and disorders in their cucurbit crop.
Proper seed treatment can control seedborn alternaria inoculum and seedborn inoculi of other pathogens. The compendium of cucurbit diseases and pests, second edition remains international in scope and practical in its emphasis. The nearly 250 images and associated information in this highly useful and significantly upgraded book allows anyonefrom the gardener to professionalto identify, understand, diagnose, and treat more than 60 diseases of tomato occurring throughout the world. Key resource contributed use this book to identify, control, and prevent diseases and disorders of melons, watermelons, squash, cucumbers, and other cucurbits. Muhammad asif pakistan slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Gavel 2ee approval means new york growers have another fungicide for managing phytophthora blight in most cucurbit crops june 2004 also see. Management of gummy stem blight black rot on cucurbits in florida 2 lesions can also form on the stem that enlarge and girdle the main stem figure 4.
The cucumber plant is a sprawling vine with large leaves and curling tendrils. Management as the virus is spread primarily by infected seed, only disease free seed from a reputable supplier should be planted. The disease, squash leaf curl, is caused by the squash leaf curl virus slcv. The already extensive list of more than 200 cucurbit diseases has expanded recently to include cucurbit yellow vine disease, acremonium collapse, rhizopycnis root rot, bacterial blight, cucumber root mat, cucurbit yellow stunting disorder virus. Pdf compendium of lettuce diseases disease compendium. Cucurbit leaf crumple virus can cause yield losses in cucurbit crops including squashes, watermelon, and melon. Enter your mobile number or email address below and well send you a link to download the free kindle app.
Angular leaf spot is a bacterial disease caused by pseudomonas syringae pv. Leaf and fruit diseases of cucurbits i ct integrated pest. Cucumber diseases and pests, description, uses, propagation. Wherever your cucurbits are grown, the compendium of cucurbit diseases and pests, second edition provides the latest pest management and diagnostic information to suppress diseases of all cultivated cucurbits plus. International in scope and practical in emphasis, the compendium of cucurbit diseases is designed to assist in the diagnosis of cucurbit diseases, whether in the field, the greenhouse, the laboratory, or the diagnostic clinic. Yearround ipm program for cucurbits 911 seedlings cotyledons to 4 leaves vegetative growth. Fact sheets and information bulletins cucurbits cucumber, melon, pumpkin, squash, watermelon. Crop rotation with noncucurbit crops for at least two years should be considered. Cucurbit definition of cucurbit by the free dictionary. This article is a list of diseases of cucurbits citrullus spp. Cucurbit downy mildew is an important foliar disease that affects all types of cucurbits. Cucurbit diseases fact sheet list cornell university.
Cultural practices and insecticide applications can help manage the spread of cucurbit leaf crumple virus. Get your kindle here, or download a free kindle reading app. Diseases of cucurbits and their management springerlink. 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. Leaf and fruit diseases of cucurbits ii ct integrated pest.
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