Article abstract

Journal of Agricultural and Crop Research

Research Article | Published June 2022 | Volume 10, Issue 3. pp. 52-59.

doi: https://doi.org/10.33495/jacr_v10i3.22.107

 

Drought Stress Tolerance of Indonesian Rice Varieties (Oryza sativa L.) and Its Kindship Relationship based on Morphological Characters

 



 

 

Dyah Susanti*

Suwarto

Suprayogi

Noor Farid

 

Email Author

 

Laboratory of Plant Breeding and Biotechnology, Faculty of Agriculture, Jenderal Soedirman University, Central Java, Indonesia.


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Citation: Susanti D, Suwarto, Suprayogi, Farid N  (2022). Drought Stress Tolerance of Indonesian Rice Varieties (Oryza sativa L.) and Its Kindship Relationship based on Morphological Characters. J. Agric. Crop Res. 10(3):52-59. doi: 10.33495/jacr_v10i3.22.107.

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 Abstract 


Morphological characters of ten Indonesia rice varieties under drought stress was analized under drought stress and normal condition to study their drought resistance mechanism and their kinship. All varieties showed changes in morphological characters in drought stress conditions. Drought stress has an impact on changes in the morphological characters of ten rice varieties. This results in changes in cluster groups under drought conditions. The objectves of this research were to study drought stress tolerancy of Indonesian rice varieties and its kinship relationship based on their morphological characters. Based on the results of the study, there was a change in morphological characters under drought stress conditions in all tested varieties, and ten lowland Indonesian rice varieties have different levels of tolerance to drought stress conditions. Inpari 31 and Salumpikit varieties have the ability to adapt better to drought stress conditions based on observations of the Standard Evaluation System for Rice (SES) scoring), and drought stress has an impact on changes in the morphological characters of ten rice varieties. These caused changes in cluster groups under drought stress conditions. The kinship relationship in optimum conditions with a distance of cluster combination (euclidean) on a scale of 10 is divided into 2 groups, namely the lowland rice group and upland rice group, while the kinship relationship in drought stress conditions with a cluster combination distance (euclidean) on a scale of 10 is divided into 3 groups, namely the rice varieties that are classified as sensitive, groups of lowland rice varieties, and upland rice groups that are classified as tolerant.

Keywords  Varieties   tolerance   drought stress   morphological characters

 

 

Copyright © 2022 Author(s) retain the copyright of this article.

This article is published under the terms of the Creative Commons Attribution License 4.0

 

 

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