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Photoperiodic response and its relation to earliness in wheat

✍ Scribed by Jindřich Košner; Denisa Ž.urková

Publisher
Springer
Year
1996
Tongue
English
Weight
347 KB
Volume
89
Category
Article
ISSN
0014-2336

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✦ Synopsis

The photoperiodic response of 15 spring and winter varieties was observed. Vernalised plants were grown under long-day (light period longer than 14-hours) and under short-day conditions (light period 10-hours). The earliness under long-day condition and the photoperiodic responses were significantly different amongst the tested varieties. The earliness under long-day conditions depended on photoperiodic response. The winter-spring vernalisation requirement influenced earliness but did not influence photoperiodic response. Varieties with spring growth habits that had the same or similar photoperiodic response to varieties with winter growth habit were earlier in heading. The tested varieties that came from lower geographical latitudes were usually earlier and less photoperiod sensitive than the varieties from higher geographical latitudes.

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