Seed Production of Vegetable, Tuber and Spice Crops (2+1)

Botany

• The inflorescence is compound umbel. Flowering starts with the primary umbel.
  
• In every umbel the peripheral umbellets and in every umbellet the peripheral flowers are the first ones to flower.
  
• Flowers are protandrous, small, white or pink in compound terminal umbels, fruits-schizocarp, globular, yellow-brown, ribbed, 2 seeds, ripe seeds are aromatic.
  
• Time of anthesis is 5.30-7.00 h.
• Duration of pollen fertility up to 14 h after anthesis stigma receptivity is 12 h before to 6-7 h after anthesis.








Figure 1. Compound umbel