Low-temperature Tolerance of a New Variety of <i>Strelitzia reginae</i>

FAN Rong-hui; HUANG Min-ling; LIN Bing; ZHONG Huai-qin

doi:10.19303/j.issn.1008-0384.2017.07.005

Volume 32 Issue 7

Oct. 2017

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Article Navigation > Fujian Journal of Agricultural Sciences > 2017 > 32(7): 715-718

FAN Rong-hui, HUANG Min-ling, LIN Bing, ZHONG Huai-qin. Low-temperature Tolerance of a New Variety of Strelitzia reginae[J]. Fujian Journal of Agricultural Sciences, 2017, 32(7): 715-718. doi: 10.19303/j.issn.1008-0384.2017.07.005

Citation:

FAN Rong-hui, HUANG Min-ling, LIN Bing, ZHONG Huai-qin. Low-temperature Tolerance of a New Variety of Strelitzia reginae[J]. Fujian Journal of Agricultural Sciences, 2017, 32(7): 715-718. doi: 10.19303/j.issn.1008-0384.2017.07.005

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Low-temperature Tolerance of a New Variety of Strelitzia reginae

doi: 10.19303/j.issn.1008-0384.2017.07.005

FAN Rong-hui^{1, 2, 3
,},
HUANG Min-ling^{1, 2, 3
,
,},
LIN Bing^{1, 2, 3},
ZHONG Huai-qin^{1, 2, 3}

1.
Institute of Crop Sciences, Fujian Academy of Agricultural Science, Fuzhou, Fujian 350013, China
2.
Flowers Research Center, Fujian Academy of Agricultural Science, Fuzhou, Fujian 350013, China
3.
Fujian Engineering Research Center for Characteristic Floriculture, Fuzhou, Fujian 350013, China

Received Date: 2017-04-21
Rev Recd Date: 2017-06-06
Publish Date: 2017-07-01

Abstract

Abstract

A newly bred strain of Strelitzia reginae showed superior resistance to the cold weather in Fuzhou as compared to its parent. To quantifiably verify the observation, relative electric conductivities of the leaves and semi-lethal temperatures (LT50) of the two cultivars were determined. LT50 was calculated using a logistic equation at a temperature gradient from 0, -2, -3, -4, -5 to -6. The results showed that the conductivities significantly increased with decreasing temperature in an S-shape function. And, the LT50 of the new strain was -4.8, which was considerably lower than that of its counterpart, at -3.6.
- Strelitzia reginae,
- low-temperature tolerance,
- relative electric conductivity,
- semi-lethal temperature

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References(17)

References

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