Narrow Results by:

Subject Specific Filters:

  1. Category:             

Image Specific Filters:

  1. Commodity:         (show all)

  1. View:                     

Howard F. Schwartz's Images

Title: Professor of Plant Pathology & Assoc. Dept. Head
Organization: Colorado State University
Unit: Plant Pathology
Country: United States
Web: http://www.alliumnet.com/index.htm
Professional Societies:

Howard F. Schwartz is a Professor of Plant Pathology & Associate Department Head in the Department of Bioagricultural Sciences and Pest Management at Colorado State University. His Research and Extension Interests include Integrated Pest Management (IPM) - particularly of rust and white mold of dry bean as well as bacterial diseases and Iris Yellow Spot Virus of onion. Specific areas include management by disease survey, a reporting network supported by GPS/GIS technology, disease resistance, cultural practices, and timely applications of pesticides in response to environmental monitoring and crop/pest modeling. He is also interested in making sure the delivery of time-sensitive information on Integrated Pest Management and Crop Production Systems is coordinated via traditional methods (newsletters, bulletins, alerts, meetings, field days) and via the internet (Legume Pipe, VegNet, Allium Net). He is also the person leading and coordinating the CSU Node of the Bugwood Network.


Remove Filters: Asterales(X) Flower(s)(X)

57 Images of 21 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
5495134 pineapple-weed Matricaria discoidea pineappleweed plant, Matricaria matricarioides
5495135 pineapple-weed Matricaria discoidea pineappleweed plant, Matricaria matricarioides
5495136 pineapple-weed Matricaria discoidea pineappleweed plant, Matricaria matricarioides
5358186 western salsify Tragopogon dubius Flowers of yellow salsify, Tragopogon dubius.
5358511 Aster Colorful asters and other desert wildflowers in bloom at the Phoenix Botanical Museum.
5361619 sunflower Helianthus spp. Birds' damage to a sunflower head in the field.
5361618 sunflower Helianthus spp. Birds' damage to a sunflower head in the field.
5365923 sunflower Helianthus spp. A sunflower head on a field in Colorado.
5365922 sunflower Helianthus spp. A sunflower head on a field in Colorado.
5363758 safflower Carthamus tinctorius Safflower plants in bloom in the field.
5363757 safflower Carthamus tinctorius A safflower plant in bloom in the field.
5363755 safflower Carthamus tinctorius A safflower plant in bloom in the field.
5363756 safflower Carthamus tinctorius A safflower plant in bloom in the field.
5363754 safflower Carthamus tinctorius A safflower plant in bloom in the field.
5362627 sunflower Helianthus spp. The stamens of the flower head of a sunflower plant.
5362628 sunflower Helianthus spp. The stamens of the flower head of a sunflower plant.
5362625 sunflower Helianthus spp. A blossom (flower head) of a sunflower plant growing in the field.
5362626 sunflower Helianthus spp. A blossom (flower head) of a sunflower plant growing in the field.
5362624 sunflower Helianthus spp. A blossom (flower head) of a sunflower plant growing in the field. Please note the yellow pollens on the leaf.
5362623 sunflower Helianthus spp. A blossom (flower head) of a sunflower plant growing in the field.
5362622 sunflower Helianthus spp. A blossom (flower head) of a sunflower plant growing in the field.
5362621 sunflower Helianthus spp. A young blossom of a sunflower plant growing in the field.
5359319 sunflower Helianthus spp. A sunflower head in the field.
5359315 safflower Carthamus tinctorius Safflower plants in bloom in the field.
5358914 sunflower Helianthus spp. A close-up shot of a mature sunflower head in the field.
5358913 sunflower Helianthus spp. A close-up shot of a mature sunflower head in the field.
5365920 rubberweeds Hymenoxys spp. Hymenoxys flowers in bloom.
5359011 daisybush Osteospermum spp. Osteospermum 'Passion Mix' blooming in a garden.
5358437 sunflower Helianthus spp. A young developing flowerhead of a sunflower in the field.
5357371 sunflower Helianthus spp. The flowerhead of a sunflower plant in the field.
5357372 sunflower Helianthus spp. The flowerhead of a sunflower plant in the field.
5357369 sunflower Helianthus spp. The flowerhead of a sunflower plant in the field.
5357370 sunflower Helianthus spp. The flowerhead of a sunflower plant in the field.
5361572 blanketflower Gaillardia aristata Blanketflower, fading and beginning to set seed - Rocky Mountain National Park, Colorado.
5362361 sulphur cosmos Cosmos sulphureus Yellow cosmos blossoms in a flower garden.
5365919 yarrow Achillea spp. Close-up view of the flowers in an Achillea sp. inflorescence.
5366035 blanketflower Gaillardia spp. The Burgundy blanket flower as an ornamental plant.
5366032 black-eyed susan Rudbeckia hirta The Black-eyed Susan as an ornamental plant.
5366031 chrysanthemum Chrysanthemum spp. The Blue Daisy as an ornamental plant.
5365305 marigold Tagetes spp. The 'Discovery Orange' type of African marigold at the CSU Horticultural Demonstration Garden in Colorado.
5365304 marigold Tagetes spp. The 'Antique Primrose' type of African marigold at the CSU Horticultural Demonstration Garden in Colorado.
5365303 marigold Tagetes spp. The 'Zenith Red' type of marigold at the CSU Horticultural Demonstration Garden in Colorado.
5361575 goldenrod Solidago spp. Goldenrod flowers (Solidago sp.) with chrysomelid beetle visitors.
5362360 blanketflower Gaillardia spp. Close-up view of a cultivated blanketflower variety.
5366038 yarrow Achillea spp. Yarrow flowers (Achillea sp.) going to seed.
5366028 upright prairie coneflower Ratibida columnifera Close-up view of prairie coneflowers (Ratibida columnifera) near the end of bloom.
5364483 chrysanthemum Chrysanthemum spp. Some daisy plants in bloom in a garden.
5362740 zinnia Zinnia spp. Red zinnia flowers in the field.
5362739 zinnia Zinnia spp. Red zinnia flower in a garden.
5358408 cornflower Centaurea cyanus Cornflowers (also known as bachelor's buttons, Centaurea cyanus) growing in a field.
5358406 chrysanthemum Chrysanthemum spp. White garden daisies.
5359012 common zinnia Zinnia violacea The 'Crystal White' type of the ornamental flower Zinnia elegans.
5359035 marigold Tagetes spp. The 'Luna Lemon' type of the ornamental marigold Tagetes tenuifolia.
5359026 Transvaal daisy Gerbera spp. The 'Festival' type of the ornamental flower Gerbera spp..
5359013 common zinnia Zinnia violacea   The Profusion Cherry type of Zinnia elegans in flower.
5359014 common zinnia Zinnia violacea The Profusion Cherry type of Zinnia elegans in flower.
5363680 lettuce Lactuca sativa Flowers on a bolting stalk of lettuce.

Page: