EVALUATION THE DISTINCTNESS, UNIFORMITY, AND STABILITY  OF SOME THE VARIETIES OF Rehmannia glutinosa  AT THE NORTHERN MIDLAND AND MOUNTAINOUS AREA OF VIETNAM

Phạm Thanh Loan; Hoàng Thị Lệ Thu

doi:10.34238/tnu-jst.8365

EVALUATION THE DISTINCTNESS, UNIFORMITY, AND STABILITY OF SOME THE VARIETIES OF Rehmannia glutinosa AT THE NORTHERN MIDLAND AND MOUNTAINOUS AREA OF VIETNAM

About this article

Received: 20/07/23 Revised: 28/09/23 Published: 28/09/23

Authors

1. Pham Thanh Loan , Institute of Applied Research and Development - Hung Vuong University
2. Hoang Thi Le Thu, Institute of Applied Research and Development - Hung Vuong University

Abstract

The study aimed to evaluate the distinctness, uniformity, and stability of the varieties of Rehmannia glutinosa DH1 and DH3 in the northern midland and mountainous area of Vietnam. The experiment was arranged in a completely randomized block design, 3 replicates, and 24 traits indicator were monitored in the trial. The results showed that the varieties DH1 had 7 different characteristics compared to the control variety, tuberous roots yield (reaching 22.49 - 23.97 tons/ha, increase more 91.9% than the control variety), and catalpol content (reached 0.70% - 0.78%) was superior to that of the control variety, ensuring stability and uniformity. The tuberous roots yield of the varieties DH3 was lower than that of the varieties DH1 (reaching 20.27 - 21.67 tons/ha) and it was increase more 72.9% than the control variety, the catalpol content was from 0.63% - 0.74%. The control variety has low tuberous roots yield (reaching 11.11 - 11.72 tons/ha), catalpol content equivalent to the standard of Vietnam Pharmacopoeia V (reaching from 0.22% - 0.32%). The varieties DH1 is suitable for the ecological conditions of the northern midland and mountainous area of Vietnam.

Keywords

Rehmannia glutinosa; Distinctness; Uniformity; Stability; Northern midland and mountainous

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DOI: https://doi.org/10.34238/tnu-jst.8365

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