G96-1277 Pine Moths

Pine moths can seriously damage pine trees. This NebGuide helps you recognize damage and symptoms, identify the pest, and choose a control. Pine moths are serious pests of pines in Nebraska. Larvae (caterpillars) damage trees by tunneling just beneath the bark of the trunk and branches (Figure 1), most commonly on the trunk just below a branch. The tunnels they make can girdle the trunk or branches or physically weaken them so they are easily broken by wind or snow (Figure 2). Heavily infested trees are often deformed and are sometimes killed

G98-1349 Woody Landscape Plants: Selection and Planting

This NebGuide discusses how to select the right tree or shrub for any location and how to properly plant and care for it. Properly planted and cared for trees and shrubs add beauty, protection, diversity and value to almost any property, whether they are planted in a park, in front of your house, or along a street or highway. Planting is only the first step in the process of maintaining a well kept, desirable landscape. Proper maintenance practices need to be considered and performed on an annual basis to ensure the plant\u27s long term health and vigor. Landscape trees and shrubs are not difficult to plant, but proper species selection and planting techniques are necessary to ensure success. Successful planting also requires a knowledge of growth characteristics, site requirements and intended landscape function

A novel Alzheimer disease locus located near the gene encoding tau protein

This is the author accepted manuscript. The final version is available from the publisher via the DOI in this recordAPOE ε4, the most significant genetic risk factor for Alzheimer disease (AD), may mask effects of other loci. We re-analyzed genome-wide association study (GWAS) data from the International Genomics of Alzheimer's Project (IGAP) Consortium in APOE ε4+ (10 352 cases and 9207 controls) and APOE ε4- (7184 cases and 26 968 controls) subgroups as well as in the total sample testing for interaction between a single-nucleotide polymorphism (SNP) and APOE ε4 status. Suggestive associations (P<1 × 10-4) in stage 1 were evaluated in an independent sample (stage 2) containing 4203 subjects (APOE ε4+: 1250 cases and 536 controls; APOE ε4-: 718 cases and 1699 controls). Among APOE ε4- subjects, novel genome-wide significant (GWS) association was observed with 17 SNPs (all between KANSL1 and LRRC37A on chromosome 17 near MAPT) in a meta-analysis of the stage 1 and stage 2 data sets (best SNP, rs2732703, P=5·8 × 10-9). Conditional analysis revealed that rs2732703 accounted for association signals in the entire 100-kilobase region that includes MAPT. Except for previously identified AD loci showing stronger association in APOE ε4+ subjects (CR1 and CLU) or APOE ε4- subjects (MS4A6A/MS4A4A/MS4A6E), no other SNPs were significantly associated with AD in a specific APOE genotype subgroup. In addition, the finding in the stage 1 sample that AD risk is significantly influenced by the interaction of APOE with rs1595014 in TMEM106B (P=1·6 × 10-7) is noteworthy, because TMEM106B variants have previously been associated with risk of frontotemporal dementia. Expression quantitative trait locus analysis revealed that rs113986870, one of the GWS SNPs near rs2732703, is significantly associated with four KANSL1 probes that target transcription of the first translated exon and an untranslated exon in hippocampus (P≤1.3 × 10-8), frontal cortex (P≤1.3 × 10-9) and temporal cortex (P≤1.2 × 10-11). Rs113986870 is also strongly associated with a MAPT probe that targets transcription of alternatively spliced exon 3 in frontal cortex (P=9.2 × 10-6) and temporal cortex (P=2.6 × 10-6). Our APOE-stratified GWAS is the first to show GWS association for AD with SNPs in the chromosome 17q21.31 region. Replication of this finding in independent samples is needed to verify that SNPs in this region have significantly stronger effects on AD risk in persons lacking APOE ε4 compared with persons carrying this allele, and if this is found to hold, further examination of this region and studies aimed at deciphering the mechanism(s) are warranted

G01-1433, Environmental Stresses and Tree Health

Environmental stresses cause many health problems in Nebraska trees. Hot and cold temperatures, drying winds, poor soil and root conditions and human activity can damage leaves, bark and roots, and can predispose trees to secondary insect and disease attack. Keeping a tree in good condition through proper maintenance can prevent many environmentally related health problems. This NebGuide is intended to help tree owners identify tree health problems caused by environmental stresses and provide ways to prevent or reduce damage

G91-1036 Environmental Stresses and Tree Health

This NebGuide is intended to help tree owners identify tree health problems caused by environmental factors, and ways to prevent or reduce damage. Environmental stresses cause many health problems of Nebraska trees. Hot and cold temperatures, drying winds, poor soil and root conditions and man\u27s activities can cause direct damage to leaves, bark and roots, and can predispose trees to secondary insect and disease attack. Maintaining a tree in good condition through proper maintenance can prevent many environmentally related health problems

NF98-358 Winter Injury in Evergreen Trees

This NebFact examines two major causes of winter injury to evergreen trees: winter desiccation and damage from an early frost

Care of Newly Planted Trees

Landscape trees provide beauty and utility. The care they receive during the first few years after planting is critical. This NebGuide discusses recommended cultural practices for young trees. Many recommendations have changed drastically in recent years in light of new and more thorough research

G94-1195 Care of Newly Planted Trees

Mulching, pruning, watering, wrapping, staking, and fertilizing affect the growth and development of young trees. This NebGuide explains the proper practices of caring for newly planted trees. Landscape trees provide beauty and utility. The care they receive during the first few years after planting is critical. This NebGuide discusses cultural practices that are recommended for young trees. Many recommendations have changed drastically in recent years in light of new and more thorough research