Caliciopsis pine canker nh division of forests and lands. In the eastern united states, the white pine weevil may attack at least 20 different tree species, including ornamentals. It is also an abundant landscape tree with numerous cultivars available through the nursery trade. The species was imported in 1620 to england by captain george weymouth, who planted it for a timber crop, but had little success because of white pine blister rust disease. Some new england states regulate aspects of ribes spp. It has invaded most white pine areas and is still making progress into the southwest and into southern california. Eastern white pine is widespread and highly valued in new. Vermont may be the only northern new england state to see such an increase. White pine needle damage, a complex of foliar diseases that is being accelerated by the regions warmer, wetter springs, is slowing the growth and hampering the health of the regions eastern white pines, according to new research from the new hampshire agricultural. Eastern white pine versatility in the presettlement forest. Agriculture dynamics of white pine forest service in new england. The disease kills the main branches of the pine and can be fatal. Old growth pine in the americas, of various pinus species, was a highly desired wood since huge, knotfree boards were the rule rather than the exception. During the spring of 2016, a dramatic decline of eastern white pine pinus strobus has been.
White pine needle damage slowing growth, hampering health of. Recent studies have identified several fungal pathogens are responsible for white pine needle blight in new england broders et al. Pdf the defoliation of the eastern white pine pinus strobus across the. An index of common tree diseases in the united states.
White pine needle damage, a complex of foliar diseases that is being. Currants and gooseberries umass center for agriculture. Two diseases caused by fungi were of particular importance, and trees were affected by either or both. The second host for this disease in new england is ribes species such as gooseberry and currants.
The rust organism uses wild and cultivated currants and gooseberries ribes spp. Four needle blight fungi in particular have been identified. White pine needle damage slowing growth, hampering health. The most deadly diseases of conifers in north america the most destructive and harmful tree diseases in north america. Dramatic needle browning and canopy dieback of eastern white. Umass said the white pine decline seems to be especially severe in southeastern new hampshire, eastern. Intensive logging for the highly preferred white pine started in new england in the 1700s and moved westward to the great lake states by the mid1800s. Browning and canopy dieback of eastern white pine pinus strobus in southern new england umass extension, spring 2016. In some instances, more than one type of fungus was found on an infested tree. If you have white pine on your property you may have been looking.
The occurrence of needle diseases and needle browning on white pine was reported from throughout new england. Pdf emergence of white pine needle damage in the northeastern. A poorly understood disease affecting white pines is forcing concord. Experts are expecting that white pine needle damage in vermont this year. Dramatic needle browning and canopy dieback of eastern white pine pinus strobus in southern new england nicholas j. Field manual for managing eastern white pine health in new england. Many people in southern new hampshire have noticed the needles of white pines turning yellow and brown this spring and thats due to a fungus called needlecast. First and most importantly, white pine needle disease wpnd is primarily. The condition was observed throughout the state, but was most severe in western and southern counties. Indeed, white pine has been called the tree that built america and the tree that won the american revolution, the latter referring to the outcome when the british navy could no longer obtain the trees for their ship masts and planks. The growth, regeneration, and quality of white pine between the 1970s and 1980s were analyzed for the sixstate new england region. Extension plant pathologist during the spring of 2016, a dramatic decline of eastern white pine pinus strobus has been observed throughout southern new england.
Caliciopsis pine canker was first reported in new hampshire in 1997. In june 2010, the majority of public assistance requests for tree disease concerns were due to the yellowing, browning, and premature needle loss of white pines. During the 1920s the sale and planting of black currants and. Most commonly it is found on pinus strobus white pine in new england, new york, virginia, west virginia, quebec and ontario, but has also been reported on p. Eastern white pine needle damage usda forest service. Concord to cut down 22 white pine trees infected with needle blight. However, eastern white pine is the most suitable host for brood development.
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