National Sunflower Association - link home
About NSA Join NSA Contact Us Facebook YouTube
All About Sunflower

Buyers

Health & Nutrition

Sunflower Seed and Kernel

Sunflower Oil

Growers

Calendar of Events

Media Center

Photo Gallery

Sunflower Statistics

International Marketing

Research

Meal/Wholeseed Feeding

Sunflower Magazine

Surveys

Espanol

Daily Market News
Sign Up for Newsletter
Online Catalog
Online Directory
Google Search
Printer Friendly Version
You Are Here Photo Gallery


Media Center

Photo LibraryGrowth Stages
Stage 3: R-4

The inflorescence begins to open. When viewed from directly above immature ray flowers are visible.




Back to Subcategories
Almost Pollination

Name: Almost Pollination
Description: A sunflower head in the R-4 growth stage about to open up and start pollinating.
ID Name: SUN258
Size: 226K

Almost Ready To Bloom

Name: Almost Ready To Bloom
Description: A sunflower head in the R-4 growth stage and a few days from blooming.
ID Name: SUN248
Size: 234K

R-4 Top View

Name: R-4 Top View
Description: Sunflower plant in R-4 stage; Top view
ID Name: SUN111308I
Credits: NDSU Ext. Bulletin 25
Size: 86K


Back to Subcategories

Top of the Page

copyright 2014 National Sunflower Association