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Bio-agronomic characteristics of new promising short duration rice (Oryza sativa L.) lines and varieties in Central Vietnam


Citation :- Bio-agronomic characteristics of new promising short duration rice (Oryza sativa L.) lines and varieties in Central Vietnam. Res. Crop. 24: 645-651
T. T. H. HOANG, V. B. NGUYEN, H. C. HO, S. C. HO, V. N. PHAM, T. H. P. TA AND H. H. NGUYEN htthoa@hueuni.edu.vn
Address : University of Agriculture and Forestry, Hue University, Hue city, Vietnam
Submitted Date : 22-08-2023
Accepted Date : 19-09-2023

Abstract

Rice is an important food crop in Vietnam and facing challenges due to climate change, limited cultivation area, and limited adaptable varieties. Therefore, field experiments were carried out in two seasons of summer 2022 and spring 2023 at the Agricultural Science Institute for Southern Coastal Central of Vietnam (ASISOV), Binh Dinh province, to evaluate the growth, development and yield of new promising short duration rice lines and varieties in Binh Dinh province. Promising 10 lines and varieties namely ANS1 (control), BDR97, BDR57, BDR79, BDR87, BDR36, Line 159, Line 243, Line 64, and Line 46 were used for the study. They were arranged in a randomized block design with three replications. Research results showed that the duration of rice lines and varieties ranged from 90 to 112 days. The yield of the lines and varieties was from 5.94 to 7.44 t/ha in the summer season 2022 and 6.42 to 8.05 t/ha in the spring season 2023. The quality of rice lines and varieties was rated from average to good. Two new promising varieties were identified, including BDR79 and BDR57, with a short duration of 91-103 days, yield from 7.27-8.05 t/ha, higher than the control variety from 11.6-20.5% and belonging to good quality classification.

Keywords

Bio-agronomic quality rice lines short duration varieties yield

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