![Cover art for publication MX1141](/sites/default/files/styles/large/public/images/mx1141cvr.jpg?itok=ug8Upbed)
![Cover art for publication MX1141](/sites/default/files/styles/large/public/images/mx1141cvr.jpg?itok=ug8Upbed)
Biology and Management of Common Ragweed
Reviewed
Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
![Cover art for publication G6772](/sites/default/files/styles/large/public/images/g06772cvr.jpg?itok=WpyN9FMq)
![Large patch grass disease.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p13-large-patch.jpg?itok=w20wmD6l)
Identification and Management of Turfgrass Diseases, Page 13
Reviewed
Large patch is a cool-season disease of warm-season grasses. Symptoms are most common when these grasses are either entering or coming out of dormancy.
![Necrotic ring spot on turfgrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p16-necrotic-ring-spot.jpg?itok=wfDCwWa5)
Identification and Management of Turfgrass Diseases, Page 16
Reviewed
Necrotic ring spot is a destructive disease of Kentucky bluegrass, but may also occur on red fescue and annual bluegrass. The disease is particularly damaging to bluegrass.
![Cover art for publication MX1136](/sites/default/files/styles/large/public/images/mx1136cvr.jpg?itok=amF9SPVp)
Biology and Management of Horseweed
Reviewed
Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
![Spring dead spot of bermudagrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p19-sds.jpg?itok=9xo7UxR2)
Identification and Management of Turfgrass Diseases, Page 19
Reviewed
Spring dead spot is a destructive disease of common bermudagrass and bermudagrass hybrids throughout the northern range of its adaptation in the U.S.
![Yellow patch of creeping bentgrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p22-yellow-patch.jpg?itok=W0Qioctj)
Identification and Management of Turfgrass Diseases, Page 22
Reviewed
Yellow patch is a cool-season disease that occurs on bentgrass and annual bluegrass putting greens and sometimes on higher-gut Kentucky bluegrass.
![Diagnosing turfgrass disease.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p02-diagnosing.jpg?itok=fHOG6I5g)
Identification and Management of Turfgrass Diseases, Page 02
Reviewed
Accurate diagnosis is the key to managing turfgrass disease in an environmentally and economically sound manner. When the cause is not accurately identified and management practices and control measures are not developed accordingly, inputs are wasted and high reestablishment costs may be incurred.
![Brown patch.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p05-bp.jpg?itok=3PVjT-T3)
Identification and Management of Turfgrass Diseases, Page 05
Reviewed
Brown patch is a sheath- and leaf-blighting summer disease that is common on tall fescue and bentgrass. It is particularly severe on tall fescue. With increased use of tall fescue in urban and commercial landscapes, brown patch has become a significant management problem.
![Dollar spot.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p08-dollar.jpg?itok=D5VnGQEG)
Identification and Management of Turfgrass Diseases, Page 08
Reviewed
Dollar spot is a common disease on creeping bentgrass, Kentucky bluegrass and perennial ryegrass, but it is rare on tall fescue. It also occurs on zoysiagrass, bermudagrass, buffalograss and annual bluegrass .
![Cover art for publication MX1137](/sites/default/files/styles/large/public/images/mx1137cvr.jpg?itok=dmRZaYHW)
Biology and Management of Waterhemp
Reviewed
Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
![Cover art for publication G6756](/sites/default/files/styles/large/public/2024-04/g06756cvr.jpg?itok=TgkOV6VH)
Turfgrass Disease Control
Revised
![Gray leaf spot.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p11-gls.jpg?itok=waYCjNKv)
Identification and Management of Turfgrass Diseases, Page 11
Reviewed
Gray leaf spot, also called blast, occurs in most areas of the country where perennial ryegrass is grown. Disease development is sporadic with little or no disease development in some years. Nevertheless, the potential destructiveness of gray leaf spot forces many turfgrass managers to apply preventive fungicide applications every year.
![Leaf and sheath spot of Kentucky bluegrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p14-leaf-spot.jpg?itok=ulWde4Y_)
Identification and Management of Turfgrass Diseases, Page 14
Reviewed
Rhizoctonia zeae forms pink to orange bulbils (resting structures). The fungus has been observed with increasing frequency since the early 2000s.
![Pythium foliar blight on perennial ryegrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p17-pf.jpg?itok=347oZMXT)
Identification and Management of Turfgrass Diseases, Page 17
Reviewed
Pythium foliar blight is one of the most feared turfgrass diseases, because the disease develops rapidly during periods of high temperature and high relative humidity. If left untreated, extensive loss of turf can occur in a few days.
![Cover art for publication MX1139](/sites/default/files/styles/large/public/images/mx1139cvr.jpg?itok=icbuh-lj)
Understanding Glyphosate to Increase Performance
Review
Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.
![Summer patch on Kentucky bluegrass lawn.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p20-summer-patch.jpg?itok=gGM-f5v2)
Identification and Management of Turfgrass Diseases, Page 20
Reviewed
Summer patch, sometimes referred to as frogeye patch, is a destructive disease of Kentucky bluegrass maintained for golf course fairways, green surrounds, parks and residential landscapes
![Yellow tuft in zoysiagrass.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p23-yellow-tuft.jpg?itok=AjgKK2KO)
Identification and Management of Turfgrass Diseases, Page 23
Reviewed
Yellow tuft is a cool-season disease that is commonly observed on creeping bentgrass and intensively managed Kentucky bluegrass.
![Cover art for publication MP711](/sites/default/files/styles/large/public/images/mp0711cvr.jpg?itok=rzCi30N9)
![Cover art for publication G6706](/sites/default/files/styles/large/public/images/g06706cvr.jpg?itok=FZOLpK9h)
Establishment and Care of Zoysiagrass Lawns
Reviewed
Zoysiagrass is a warm-season grass that grows best in full sun. It can be established in several ways. Learn how to establish and care for a zoysiagrass lawn in this guide.
![Anthracnose basal rot.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p03-abr.jpg?itok=QOGwm3xW)
Identification and Management of Turfgrass Diseases, Page 03
Reviewed
Anthracnose basal rot is a destructive crown rotting disease of creeping bentgrass and annual bluegrass on putting greens. On mixed bentgrass/annual bluegrass putting greens, the causal fungus infects one species or the other but rarely both.
![Cover art for publication IPM1029](/sites/default/files/styles/large/public/images/ipm1029cvr_23.jpg?itok=O5Vp8tFO)
Identification and Management of Turfgrass Diseases
Reviewed
This publication is designed to be a useful reference for diagnosticians, turfgrass managers, industry representatives and others who want to learn how to diagnose and manage common turfgrass diseases caused by plant pathogenic fungi.
![Copper spot.](/sites/default/files/styles/large/public/2024-02/ipm1029cvr-p06-cs.jpg?itok=bLHPyaT4)
Identification and Management of Turfgrass Diseases, Page 06
Reviewed
Copper spot is a foliar disease of bentgrass, with severest outbreaks occurring on velvet bentgrass. It also occurs sporadically on creeping bentgrass greens and higher cut creeping bentgrass tees and fairways. Gloeocercospora sorghi causes a leaf spot of bermudagrass and zoysiagrass as well.
![Cover art for publication G6749](/sites/default/files/styles/large/public/images/g06749cvr.jpg?itok=1KP0A7ch)
Natural Lawn Care
Reviewed