Fig 7. Photomicrographs of tobacco pollen following a high temperature challenge.
SR1 (A), SR1-GS2 (B), SR1-GS7 (C), and SR1-GS17 (D) tobacco pollen incubated for 7 minutes at 50°C and then 53 minutes at 30°C.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.