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  • 标题:Assessment of Soybean Resistance to Leaf-feeding Insect, Spodoptera litura
  • 本地全文:下载
  • 作者:Ayda Krisnawati ; Nuryati Nuryati ; Mochammad Muchlish Adie
  • 期刊名称:Biosaintifika: Journal of Biology & Biology Education
  • 印刷版ISSN:2085-191X
  • 电子版ISSN:2338-7610
  • 出版年度:2021
  • 卷号:13
  • 期号:1
  • 页码:92-98
  • DOI:10.15294/biosaintifika.v13i1.24794
  • 语种:English
  • 出版社:Universitas Negeri Semarang
  • 摘要:One of soybean problem in Indonesia is leaf damage caused by the Spodoptera litura. The aim of the study was to identify the resistance of soybean genotypes againts army worm based on the preference index and morphophysiological characters. 150 soybean genotypes were grown under field condition from February to May 2018 in Malang (East Java, Indonesia). The preference test was conducted in the laboratory using G100H as resistant reference plant to armyworm. The result showed that the preference index was ranged from 0.09-1.82. A total of 105 genotypes showed a low preference index (resistant), 39 genotypes showed a high preference index (susceptible), and a genotype has similar preference index with the reference plant (has equal resistance with G100H). Based on the preference index and morphophysiological characters, 150 soybean genotypes can be grouped into eight clusters. A genotype from cluster VIII (Anjasmoro/Rajabasa-41) has characteristics of low leaf water content, dense leaf trichomes, and the preference index of 0.14. Those characteristics could be the attributes of the soybean genotypes that is resistant to S. litura. The Anjasmoro/Rajabasa-41 was recommended to be cultivated in Indonesian, or may be used as a gene source in the breeding program for S. litura resistance.
  • 关键词:leaf-feeding pest;preference index;resistant
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