Slide 1: Seed Production in Cross Pollinated Crops PRINCIPLES & METHODS A.K. CHHABRA
Department of Plant Breeding
CCSHAU, Hisar © A.K. Chhabra TOPICS LAST VIEWED PREVIOUS END DISCLAIMER: Copyright of some of the figures used from internet and different web sites is duly acknowledged. The copyright stands with its original developer. The information has been gathered here for educational purpose and not for any kind of commercial purpose. Slide 2: Pollination Control Mechanisms © A.K. Chhabra FORCED SELFING DUE TO CLEISTOGAMY SP
Self Incompatibility Slide 3: Various Stages of Spike Development & Anthesis in Pearl millet Panicle
emergence Protogyny First flush
of anthesis Second flush
of anthesis Third flush
of anthesis Stigma Emergence Anther Dehiscence from staminate florets Anther Dehiscence from perfect florets Boot leaf stage 1 2 3 4 5 6 7 Anthesis completed & grain formation started Slide 4: PROTOGYNY © A.K. Chhabra Slide 5: MAIZE Monoecious and protandrous Slide 6: © A.K. Chhabra Slide 7: © A.K. Chhabra Slide 8: © A.K. Chhabra Dioecious Slide 9: The Plant Male Plant View 2 Male flowers In the male plant flowers are born in clusters and the number of flower varies from 7 to 36 per cluster. Slide 10: The Plant Male flowers Male Plant View 5 In the male plant flowers are born in clusters and the number of flower varies from 7 to 36 per cluster.