logging in or signing up Types and Categories of Range Plants aSGuest7258 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 669 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: December 18, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: lavanyaraj10 (3 month(s) ago) s Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Types and Categories of Range Plants : Types and Categories of Range Plants Objectives : Objectives Categorize plants according to: growth form, life span, season of growth, origin, and forage value Growth Forms of Rangeland Plants : Growth Forms of Rangeland Plants 4 major growth forms: Grasses Grass-like Forbs Shrubs Grasses : Grasses Most important and abundant kind of range plant Cover more than 1/5th of the earth’s land surface Jointed stems Stems are hollow between the joints (nodes) Leaves are in 2 rows along the stem Veins in the leaves are parallel Grass-like Plants : Grass-like Plants Look like grasses but have solid stems without joints Stems are often triangular Veins in the leaves are parallel Includes sedges and rushes Forbs : Forbs Herbaceous plants Broad leaves and showy flowers Above-ground growth dies back each year Veins in the leaves are net veins although some forbs have veins that are parallel Range wildflowers and weeds Shrubs : Shrubs Woody plants with several main stems Usually have broad leaves Life Span : Life Span Length of time from the beginning of development to death of the plant Annuals – live for one growing season Winter annuals Summer annuals Biennials – live for two growing seasons Perennials – live from one year to the next Winter Annuals : Winter Annuals Summer Fall Winter Spring germinate dormant produce seed plant dies Summer Annuals : Summer Annuals Summer Fall Winter Spring produce seed plant dies germinate grow Biennials : Biennials Summer & Fall Summer Spring Spring Winter Winter germinate go dormant produce rosette & developed roots plant dies produce seed produce flowering stalk Perennials : Perennials Cycle continues until plant eventually dies Season of Growth : Season of Growth Cool Season Make most growth in cool weather of spring and fall Flower mostly in early summer Provide spring/fall forage at lower elevations and summer forage at high elevations Adapted to cool, wet conditions Most plants in Idaho Season of Growth : Season of Growth Warm Season Make most growth in warm summer periods Flower from mid-summer to early fall Provide forage in summer months Adapted to hotter, drier conditions Some of the warm regions of Idaho have a few warm season plants Origin : Origin Area where the plant evolved Native plants – originated in North America Introduced plants – Intentionally or accidentally brought to North America Invasive Species (Noxious Weeds) – weeds that have been specifically identified as “noxious” by state law 35 Noxious Weeds in Idaho Forage Value : Forage Value How well a plant provides nutrients to grazing animals High – plants that are nutritious, palatable, and produce abundant forage Medium – plants that provide adequate nutrition if eaten Low – plants that do not provide adequate nutrients Poisonous - contain natural plant compounds that are toxic or poisonous to herbivores You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Types and Categories of Range Plants aSGuest7258 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 669 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: December 18, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: lavanyaraj10 (3 month(s) ago) s Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Types and Categories of Range Plants : Types and Categories of Range Plants Objectives : Objectives Categorize plants according to: growth form, life span, season of growth, origin, and forage value Growth Forms of Rangeland Plants : Growth Forms of Rangeland Plants 4 major growth forms: Grasses Grass-like Forbs Shrubs Grasses : Grasses Most important and abundant kind of range plant Cover more than 1/5th of the earth’s land surface Jointed stems Stems are hollow between the joints (nodes) Leaves are in 2 rows along the stem Veins in the leaves are parallel Grass-like Plants : Grass-like Plants Look like grasses but have solid stems without joints Stems are often triangular Veins in the leaves are parallel Includes sedges and rushes Forbs : Forbs Herbaceous plants Broad leaves and showy flowers Above-ground growth dies back each year Veins in the leaves are net veins although some forbs have veins that are parallel Range wildflowers and weeds Shrubs : Shrubs Woody plants with several main stems Usually have broad leaves Life Span : Life Span Length of time from the beginning of development to death of the plant Annuals – live for one growing season Winter annuals Summer annuals Biennials – live for two growing seasons Perennials – live from one year to the next Winter Annuals : Winter Annuals Summer Fall Winter Spring germinate dormant produce seed plant dies Summer Annuals : Summer Annuals Summer Fall Winter Spring produce seed plant dies germinate grow Biennials : Biennials Summer & Fall Summer Spring Spring Winter Winter germinate go dormant produce rosette & developed roots plant dies produce seed produce flowering stalk Perennials : Perennials Cycle continues until plant eventually dies Season of Growth : Season of Growth Cool Season Make most growth in cool weather of spring and fall Flower mostly in early summer Provide spring/fall forage at lower elevations and summer forage at high elevations Adapted to cool, wet conditions Most plants in Idaho Season of Growth : Season of Growth Warm Season Make most growth in warm summer periods Flower from mid-summer to early fall Provide forage in summer months Adapted to hotter, drier conditions Some of the warm regions of Idaho have a few warm season plants Origin : Origin Area where the plant evolved Native plants – originated in North America Introduced plants – Intentionally or accidentally brought to North America Invasive Species (Noxious Weeds) – weeds that have been specifically identified as “noxious” by state law 35 Noxious Weeds in Idaho Forage Value : Forage Value How well a plant provides nutrients to grazing animals High – plants that are nutritious, palatable, and produce abundant forage Medium – plants that provide adequate nutrition if eaten Low – plants that do not provide adequate nutrients Poisonous - contain natural plant compounds that are toxic or poisonous to herbivores