Cmg.extension.colostate.edu
Diagnostics: Plant Health Care (IPM) and The Diagnostic Process
WEBColorado State Extension Master Gardeners work to enhance Coloradans’ quality of life by extending knowledge-based education to local communities, helping individuals make informed decisions about plants and fostering successful gardeners while protecting neighborhood environments.
Actived: 4 days ago
Trees and Shrubs – Colorado Master Gardener
WEBAlternative to overused shrubs and trees – Plant talk #1765. Evergreen Trees – Fact Sheet #7.403. Evergreen Trees for Colorado Landscapes – Plant talk # 1722. 2024 Front Range Tree Recommendation List – CSU/Collaborator Fact Sheet. Large Deciduous Trees for Street and Shade – Fact Sheet #7.419. Selecting Trees – Plant talk # 1715.
Introduction to Diagnosing Plant Health Issues
WEBSymptoms are progressive and overtime become worse affecting nearby plants. Symptoms are scattered (random) and localized. Abiotic problems: Large area or all plants generally affected. Generally lack symptom progression (overnight symptoms) Exception: Nutritional symptoms progress slowly. Do not discriminate between plants.
Plant Disease and Diagnosis
WEBPlant Problem Diagnosis. Diagnosis –process used for the identification of problems; consider it CSI for plants Tools: •Plant sciences, especially plant pathology and entomology •Art of investigation and detective work. Some Other Tools. •Items that are handy to have in a sample collection/plant diagnostic toolbox:
GardenNotes #635 Care of Recently Planted Trees
WEBDaily for 6 weeks – Depending on temperature and wind, apply 1-2 gallons per inch of trunk diameter. Every other day for 5 months– Depending on temperature and wind, apply 2-4 gallons per inch of trunk diameter. Weekly until established (four or more seasons). Check the actual water need before watering.
CMG GardenNotes #112 Systematic Plant Evaluation
WEBo Soil compaction and/or drought are the inciting factor for many contributing insects (borers) and diseases (Cytospora and other cankers). o Soil compaction and/or hardscape features often limit root spread, which is expressed as reduced growth and leaf scorch.
Vegetable Gardens: Soil Management and Fertilization
WEBIn the vegetable garden, the routine addition of organic soil amendments such as compost can optimize potential yields and quality. The goal in soil management is to increase the organic content to 3-5%, over a period of years. This level of organic material will produce nitrogen through a process called mineralization over time.
Plant Disease and Diagnosis
WEB46. Temperature. Low Temperature Effects. Does more damage to plants than high temps. Kills buds, flowers, leaves and twigs. Can cause root damage and bark splitting and canker development. Early fall frost/freeze and. late spring frost/freeze are the most susceptible times for most plants.
Lawns – Colorado Master Gardener
WEBChoosing a Lawn Grass in Colorado – Plant talk # 1521. Fine Fescues for Lawns, CMG GardenNotes#564. Hybrid (Kentucky X Texas) Bluegrass, CMG GardenNotes#563. Tall Fescue Lawns – Plant talk # 1519. Turfgrass Species Selection Guidelines, CMG GardenNotes#561. Zoysia Grass – Plant talk # 1511.
CMG GardenNotes #631 Tree Placement: Right Plant, Right …
WEBMass Plantings – In mass plantings, individual trees lose their identity and appear as one larger unit in the design. A group planting may grow into a mass planting as trees mature. Use trees in odd numbers to create interest.
Structural Pruning of Young Shade Trees
WEBStructural Pruning Objectives for Young Shade Trees. Remove dead, damaged, crossing, or rubbing branches. Maintain a single dominant leader to near the top of a tree’s canopy. Keep temporary branches less than half the size of their parent branch and remove them before they grow larger than two inches.
Cover Crops and Green Manure Crops
WEBA cover crop is a vegetative cover used to improve soil health, erosion or degradation in quality that is seeded annually in a garden or field. Cover crops can include grasses, legumes, or herbaceous plants. When the cover crop is tilled into the soil it is referred to as a green manure crop. These two terms are often used interchangeably.
CMG GardenNotes #331 Plant Pathology
WEB331-2 • Canker – Dead area on bark or stem, often sunken or raised. • Chlorosis – Yellowing or loss of green color on foliage. Chlorosis is so generic that without additional details diagnosis is impossible. • Decline – Progressive decrease in plant vigor. • Dieback – Progressive death of shoot, branch, or root starting at the tip. • Distortion – Malformed …
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