Naslov
Heading response of orchardgrass seedlings to photoperiod and temperature

Autori
Kozumplik, Vinko ; Christie, B.R.

Izvornik
Canadian journal of plant science (0008-4220) 52 (1972); 369-373

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Orchardgrass; heading response; photoperiod

Sažetak
Floral induction of orchardgrass strains (Daclylis glomerata L.) can be completed in 4 weeks under 10-h photoperiod at 10 C (12 C in some strains). Extending the induction treatment to 6 weeks resulted in earlier heading in one strain. in the same strain, induction at 10 C rather than 21 C resulted in a significant increase in percent heading, heads per plant, and total head yield per plant, but a decrease in weight per head. Different environmental conditions during the juvenile stage had no effect on postinduction development. During the postinduction stage, continuous light promoted earlier heading, greater weight per head, and higher head yield. A schedule for completing the life cycle of orchardgrass in 16-19 weeks is recomended.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)

POVEZANOST RADA