Dustyn Putra Vardhana Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia Indonesia
Mentari Putri Pratami Research Center for Biosysthematics and Evolution, National Research and Innovation Agency, KST Soekarno, Cibinong, Bogor, Indonesia Indonesia
Miftahul Huda Ferdiyanto Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia
Daffa Putra Ramadhan Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia Indonesia
Elsa Gafira Cahyani Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia Indonesia
Comparative Study of Chlorophyll A on Several Rice Genotypes for Food Resilience Against Drought Stress
Dustyn Putra Vardhana(1), Mentari Putri Pratami(2*), Miftahul Huda Ferdiyanto(3), Daffa Putra Ramadhan(4), Elsa Gafira Cahyani(5),
(1) Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia (2) Research Center for Biosysthematics and Evolution, National Research and Innovation Agency, KST Soekarno, Cibinong, Bogor, Indonesia (3) Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia (4) Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia (5) Department of Biology, Faculty of Military Mathematics and Natural Sciences, Republic of Indonesia Defense University, Bogor, Indonesia (*) Corresponding Author
Abstract
Drought stress is a major challenge in agriculture, especially in rainfed rice, which can reduce rice productivity and affect food security. This study analysed chlorophyll A levels in Inpago rice genotypes to evaluate their tolerance to drought stress. The genotypes tested included Inpago 1, Inpago 7 and Inpago 5. Chlorophyll A levels were measured using a spectrophotometer. The results showed variation in chlorophyll A levels, with Inpago 5 having the highest levels (2.73 mg/g), indicating better tolerance to drought stress. High chlorophyll A levels are associated with photosynthetic efficiency, so plants are better able to survive in dry conditions. This finding supports the importance of selecting resilient rice varieties for future food security. Genotypes with higher chlorophyll A levels, such as Inpago 5, should be prioritised in breeding programmes to improve the resilience of rice to climate change and water stress.
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