Bloom Performances during Rainy Season of Off-season Longan (Dimocarpus longan Lour. ‘Phuang Thong’) Grown at Samut Sakhon Province, Thailand
3
Issued Date
2023-10-01
Resource Type
eISSN
28220838
Scopus ID
2-s2.0-85177605396
Journal Title
Natural and Life Sciences Communications
Volume
22
Issue
4
Rights Holder(s)
SCOPUS
Bibliographic Citation
Natural and Life Sciences Communications Vol.22 No.4 (2023)
Suggested Citation
Aung P.P., Traisuwan N., Chintakovid W., Tulyananda T., Pichakum A. Bloom Performances during Rainy Season of Off-season Longan (Dimocarpus longan Lour. ‘Phuang Thong’) Grown at Samut Sakhon Province, Thailand. Natural and Life Sciences Communications Vol.22 No.4 (2023). doi:10.12982/NLSC.2023.069 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/91240
Title
Bloom Performances during Rainy Season of Off-season Longan (Dimocarpus longan Lour. ‘Phuang Thong’) Grown at Samut Sakhon Province, Thailand
Author's Affiliation
Other Contributor(s)
Abstract
Rainy season is an obstruction for efficient off-season longan production in Thailand. In this experiment, the bloom performances of off-season 'Phuang Thong' longan as affected by microclimate in a private longan orchard at Ban Phaeo district, Samut Sakhon province was evaluated during the rainy season of 2020. This study focused on the reproductive development at four different times (plots) of potassium chlorate application: May, June, July, and August. Air temperature, relative humidity and light intensity at the canopy level were recorded. Rainfall data was obtained from the Meteorological Department of Thailand. The results showed that inflorescence length, female flower number, and sex ratio of female to male of the May plot were the highest compared to other plots, and it was associated with early rainfall occurrence during flower development and blooming time. The August plot had a low growing degree day and a short flowering period, which coincided with frequent rainfall during the flower development period. However, the pollen viability and female flower characters were unaffected by environment. In conclusion, flower induction in the early rainy season, especially in May, was an effective time for the production of off-season ‘Phuang Thong’ longan in Ban Phaeo district, Samut Sakhon province, Thailand.