Transactions of KarRC RAS :: Scientific publications
Transactions of KarRC RAS :: Scientific publications

Transactions of KarRC RAS :: Scientific publications
Karelian Research Centre of RAS
ISSN (print): 1997-3217
ISSN (online): 2312-4504
Transactions of KarRC RAS :: Scientific publications
Background Editorial committee Editorial Office Statute For authors For reviewer Russian version
Transactions of KarRC RAS :: Scientific publications

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SCIENTIFIC PUBLICATIONS
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(Phaseolus vulgaris L.) -
//  . No 5. . . 2014. C. 123-132
M.A. Vishnyakova, V.A. Koshkin, G.P. Egorova, L.Yu. Novikova, I.I. Matvienko. The photoperiod and temperature sensitivity of common bean (Phaseolus vulgaris L.) in the North-West of Russia // Transactions of Karelian Research Centre of Russian Academy of Science. No 5. Experimental biology. 2014. Pp. 123-132
Keywords: common beans, photoperiod, air temperature, photoperiodic sensitivity, days of sprouting to days of flowering period.
98 samples of common beans from the Vavilov Institute collection have been screened for photoperiod sensitivity in the Leningrad region. Most of the samples delayed flowering in a longday, compared to a shortday mode, by an average of 4.5 days in five years. The coefficient of photoperiod sensitivity (CPS) was determined. It was calculated as the longday/shortday ratio for the sprouting to flowering period. According to the CPS value (0.972.11), the varieties with almost neutral reaction to photoperiod dominated among the chosen samples. It was shown that the phase of flowering began after the accumulation of certain sums of effective temperatures (15). A significant delay in flowering (10.5 days) on long days in cooler years, compared to warmer ones, was detected. It suggests that the temperature factor is of critical importance for the induction of flowering of common beans in the NorthWest of Russia.

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  Last modified: November 18, 2014