Airborne and rainsplashed conidia serve as secondary inoculum, spreading disease within a field. This guide provides descriptions and pictures of the more commonly found diseases and disorders of cucurbits worldwide. Pdf cucurbits powdery mildew race identity and reaction. Gummy stem blight gsb is a major disease of many cucurbits, including watermelon, cantaloupe, cucumber, pumpkin, squash, muskmelon, and other melons. Pdf important diseases of cucurbitaceous crops and their. Compendium of cucurbit diseases disease compendium series. Second edition and millions of other books are available for amazon kindle. Signature symptoms 2000 also see the news article managing bacterial wilt affecting cucurbit crops june, 2001. Use features like bookmarks, note taking and highlighting while reading compendium of cucurbit diseases and pests. Introduction to cucurbit diseases and control sogpg.
More than 320 stunning images that capture all manner of cucurbit pests in detail, allowing for more accurate diagnosis of your issues. The state of new york is one of the highest ranked states in. Highlevel resistance to cpm is known in various bg accessions that have been used to develop bg breeding lines that originated in different countries. Pests are similar to those in other cucurbit crops. Compendium of cucurbit diseases and pests nhbs academic. This primefact covers common cucurbit diseases caused by fungi, bacteria and viruses. Diseases of cucurbits and their management springerlink. There has been a longstanding need for a comprehensive, authoritative, and uptodate account of cucurbit diseases. Cucumber diseases and pests, description, uses, propagation. The department of plant pathology the ohio state universityoardc 1680 madison ave. Erwinia tracheiphila symptoms symptoms of the disease first appear on a single leaf which suddenly wilts and becomes dull green. Buy compendium of cucurbit diseases and pests 9780890545737 9780890542071. Noling, and xavier martini botany and planting angled luffa silk squash luffa acutangula bittermelon chinese and indian types momordica charantia butternut squash cucurbita moschata. 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.
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. This document is eny 847, one of a series of the entomology and. Isolation of singlestranded dna from loopmediated isothermal amplification products. Compendium of cucurbit diseases and pests, second edition. Affected leaves display a range of unusual symptoms including mosaic patterns in different shades of green and fingerlike distortion of leaf shape. The fungus didymella bryoniae is the causal organism for this disease. Biopesticides and other information about managing diseases organically. Cucurbit downy mildew is an important foliar disease that affects all types of cucurbits. Angular leaf spot is a bacterial disease caused by pseudomonas syringae pv. Plant pathology and plantmicrobe biology section, sips, cornell university.
Cmv, prsvw, wmv, and zymv, are spread by aphids in a nonpersistent manner i. Compendium of tomato diseases and pests, second edition. In 2010, a foliar and stemlesion disease that produced moderate to severe defoliation of watermelon was observed in the southern great plains. 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. Compendium of cucurbit diseases and pests, second edition by a. We used the f 1, f 2 and bc 1 generations derived from the cross c. Correct information about the identity of pathogens and their hosts may have an impact on quarantine and other plant protection measures. The gardening portal at nc state university provides access to a wealth of information, events and resources for gardeners in north carolina. Managing multiple diseases affecting cucurbit crops.
Compendium of blueberry, cranberry, and lingonberry diseases and pests, second edition. Edible and ornamental gourds are mostly produced in east texas for local sales. Erwinia tracheiphila is the causal agent of bacterial wilt of cucurbits, an economically important. 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. Pdf biology and management of aphids in sustainable field. Diseases of cucurbits types of cucurbits those grown in il production facts etc. Long island horticultural research and extension center, 3059 sound avenue, riverhead, ny 11901.
Diseases include cercospora leaf spot, damping off, fusarium wilt, gummy stem blight, powdery and downy mildews, virus complex, belly rot, and pythium. This disease was first reported in italy in 1893 and has been reported in the u. The bacterial wilt pathogen is transmitted by the striped and spotted cucumber beetles. 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. There are other less common diseases affecting cucurbits which are not covered here. The four most important virus diseases of cucurbits. Most cucurbit species show susceptibility or resistance. The wilting symptoms spread up and down the runner sometimes as. The following diseases primarily affect the foliage of these crops and can result in losses in commercial fields and home gardens. Updates on powdery mildew and and its management other. This easytouse book provides the most current, practical information on the diagnosis and management of cucurbit diseases.
This disease occurs on all continents on cucumber, gherkin, muskmelon, pumpkin, squash, vegetable marrow, and watermelon. Inheritance of resistance to cucurbit powdery mildew in. Disease control in cucurbits vegetable diseases cornell. All fungicides labeled for the control of cucurbit diseases are listed in table 1, and are arranged. Key resource contributed use this book to identify, control, and prevent diseases and disorders of melons, watermelons, squash, cucumbers, and other cucurbits. Correctly identifying these diseases and understanding the biology of the pathogens is necessary in order to produce healthy cucurbit crops. Cucurbit host range of myrothecium roridum isolated from. Descriptions of pathogenic dldymella and didjmella. This disease is caused by the fungus, fusarium oxysporum forma specialis melonis. The objective of this study was to compare the susceptibility of the vegetation and fruit of a broad range of commercially important cucurbits to three isolates obtained from. Leaf and fruit diseases of cucurbits i ct integrated.
Infection on watermelon and cantaloupe is commonly seen in florida, and the disease can cause significant. Photographs and details of the cause, symptoms, source of infection, favourable conditions and control of the disease are outlined in the primefact. This water mould is an important pathogen of all these crops, especially in areas with high humidity and. 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 diseases fact sheet list cornell university. 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. Due to its large file size, this book may take longer to download. 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.
Hopkins dl, thomas ce eds compendium of cucurbit diseases. Details on carrying out each practice, example monitoring forms, and information on additional pests can be found in the cucurbit pest management guidelines pmg. Rotate away from cucurbits melons, squash and cucumber for 2 3 years, if possible. Lecture 12 diseases of cucurbits 2 lectures cucumber and squash vascular wilt. An effective management strategy for these diseases requires employing a variety. The most critical infection period is from seedling emergence to the time when canopies start to close. Cucurbit powdery mildew cpm caused by podosphaera xanthii px is an economically important disease of bitter gourd bg. The disease was ultimately determined to be caused by myrothecium roridum.
M download it once and read it on your kindle device, pc, phones or tablets. Inheritance of resistance to four cucurbit viruses in. Product detail compendium of cucurbit diseases and pests. Compendium of cucurbit diseases and pests, second edition by. Muhammad asif pakistan slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This article is a list of diseases of cucurbits citrullus spp. Pdf occurrence of viruses infecting watermelon, other. Plant pathology fact sheet ppfsvg10 foliar diseases of. Pseudoperonospora cubensis is a species of water mould known for causing downy mildew on cucurbits such as cantaloupe, cucumber, pumpkin, squash and watermelon.
In the last 25 years, there have been changes in cultural methods which include introduction of hybrid cultivars, transplanting, plastic mulch, drip irrigation, and. This is the approved common names for diseases of cucurbits which is published by the american phytopathologcal society bacterial diseases angular leaf spot pseudomonas syringae pv. International projects on cucurbit diseases cucurbits are important economic crops in many parts of the world. The compendium of cucurbit diseases and pests, second edition remains international in scope and practical in its emphasis. Multiple disease resistance as rootstock for melon. Statewide surveys and laboratory and greenhouse tests conducted during 20042006 showed that watermelon mosaic virus wmv was the most prevalent virus in commercial gourd, pumpkin, and squash fields in illinois. Wherever your cucurbits are grown, the new compendium of cucurbit diseases and pests, second edition provides the latest pest. Presence of cucurbit virus diseases in the midatlantic.
The disease is tra nsmitted th rough seed, soil, and a ir. Wherever cucurbits are grown diseases can cause damage. A novel and rapid loopmediated isothermal amplification assay for the specific detection of verticillium dahliae. Managing diseases is a very important component of production for melons, cucumbers, squashes, pumpkins, and other cucurbit crops. Leaf and fruit diseases of cucurbits ii ct integrated. Gummy stem blightlea f blightblack rot is a major disease of cucumber, cantaloupe, pumpkin, and watermelon. There is an article about managing multiple diseases in cucurbit crops as well as detailed articles on specific diseases including powdery mildew, downy mildew and phytophthora blight.
Choose pm tolerant varieties for cucurbit of interest if available. Aphididae are minute pearshaped, softbodied insects. Vegetables in the cucurbit family include cucumber, gourds, muskmelon cantaloupe, summer squash, winter squash, and pumpkin. If the disease is severe enough to warrant the use of fungicides, several are available for home garden use table 2. 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. Managed by the state urban horticulture specialist and cooperative extension horticulture agents throughout the state, it is your doorway to guidance about successfully growing vegetables, herbs, fruits, flowers and ornamentals in your landscape.
Management of gummy stem blight black rot on cucurbits. This disease is caused by the funguslike pathogen pseudoperonospora cubensis cucurbit downy mildew spreads rapidly and can cause extensive yield loss. A vine of affected leaves may be surrounded by unaffected leaves. Fact sheets and information bulletins cucurbits cucumber, melon, pumpkin, squash, watermelon. Alternaria leaf spot is caused by the fungus alternaria cucumerina. Cucurbit diseases fact sheets and information bulletins, the cornell plant pathology vegetable disease web page.