Slide 2:
Pollination Control Mechanisms © A.K. Chhabra FORCED SELFING DUE TO CLEISTOGAMY SP
Cleistogamy
Chasmogamy
Homogamy
Bisexuality
CP
Unisexual
staminate
pistillate
Dichogamy
protandry
protogyny
Male Sterility
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.