Pollen germination and pollen tube growth in ZP maize lines
2014
The study was conducted on the in vitro pollen germination at 26°, 28°, 32°
and 35°C for 24h of male parental lines, pollen tube growth in vivo in cross
pollination of female and male parental lines that make couples in four
hybrids: ZP 504 su (♀ ZPPL 51 × ♂ ZPPL 67); ZP 677 (♀ ZPPL 17 × ♂ ZPPL 201);
ZP 704 (♀ ZPPL 109 × ♂ ZPPL 79), ZP 611 k (♀ ZPPL 126 × ♂ ZPPL 105), and the
open pollination of female parental lines of the above mentioned hybrids.
Pollen germination in vitro and pollen tube growth dynamics in vivo showed
different genotypic specificities with the tests applied. The obtained
results were discussed in the context of reproductive biology of ZP maize
lines and aimed to create the preconditions for successful management and
direction of the process in practice - seed production in certain
environmental conditions.
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