Physiology-Soils PM Negatives 087-090

Title

Physiology-Soils PM Negatives 087-090

Creator

Date

1942

Format

Description

Transverse sections of stem of 10-months-old ratoon, at apical growing region, cut at different levels.

#87, cut at very tip of stem; #88, 15/ᵘ below #87; #89, 15/ᵘ below #88; and #90, 15/ᵘ below #89.

Photographed by B. Krauss, June 3, 1942.