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All Journal Biosaintifika: Journal of Biology & Biology Education
Novita Nugrahaeni
Indonesian Legumes and Tuber Crops Research Institute, Jalan Raya Kendalpayak KM 8 PO BOX 66 Malang 65101, East Java, Indonesia
Agriculture, Biological Sciences & Forestry

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Multiple Tolerances of Cassava Germplasm to Drought Stress and Red Spider Mite Attacks Herdina Pratiwi; Tinuk Sri Wahyuni; Novita Nugrahaeni
Biosaintifika: Journal of Biology & Biology Education Vol 14, No 2 (2022): August 2022
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v14i2.35781

Abstract

Uncertain climate change encourages the assembly of cassava varieties with multiple tolerances to both abiotic and biotic stress. The research aimed to evaluate the multiple tolerances of cassava germplasm to drought stress and red spider mite attacks. The research was held at Installation for Research and Assessment of Agricultural Technology of Muneng from February to December 2019 using a randomized block design nested in two environments with two replicates. The treatments consisted of 50 cassava accessions from the Indonesian Legumes and Tuber Crops Research Institute collection and two irrigation environments, i.e. a normal environment and a drought environment. Drought stress caused a decrease in plant height, tuber yield; on the other hand, increased red spider mite attack. Eight accessions have Stress Tolerance Index values reaching above 1.00, and two of them also have resistance to red spider mites.  Accessions MLG 10361 and MLG 10362 had a high level of tolerance to drought stress as well as resistance to red spider mites so that both accessions may be used as a source of multiple resistance genes for biotic and abiotic stresses. 
Co-Authors Herdina Pratiwi Tinuk Sri Wahyuni