Penilaian Tingkat Respon Galur Jagung Unpad Toleran Naungan pada Sistem Agroforestri dengan Albizia (Albizia falcataria L.) Berdasarkan Komponen Indeks Toleransi
DOI:
https://doi.org/10.33661/jai.v1i2.316Abstrak
Pengembangan jagung dibawah tegakan sengon pada sistem agroforestri merupakan alternatif dalam mengatasi berkurangnya lahan jagung karena beralih fungsi menjadi daerah industri dan pemukiman. Akan tetapi masalah yang timbul adalah berkurangnya intensitas cahaya karena naungan sengon, sehingga diperlukan jagung toleran terhadap intensitas cahaya rendah. beberapa indeks toleransi yang dihitung dalam penelitian ini terdiri dari rata-rata hasil (MP), rata-rata hasil geometrik (GMP), indeks toleransi terhadap cekaman (STI), indeks stabilitas terhadap cekaman (SSI), toleransi terhadap cekaman (TOL), indeks hasil (YI) dan indeks stabilitas hasil (YSI), serta untuk memahami hubungan antara indeks toleransi pada masing-masing genotip dilakukan analisis komponen utama (PCA) dan analisis klaster (AHC). Indeks toleransi dihitung berdasarkan potensi hasil pada kondisi tanpa bercekaman (Yp) dan hasil pada kondisi cekaman naungan (Ys). Hasilnya menunjukan Yp dan Ys berkorelasi signifikan dan positif dengan MP, GMP dan STI. Oleh karena itu ketiga indeks tersebut dianggap sebgai indeks toleransi terbaik untuk mengukur tingkat toleransi genotip jagung terhadap naungan dibanding TOL, SSI dan YSI. Analisis komponen utama mengklasifikasikan genotip menjadi 2 komponen utama. Kedua PC tersebut memiliki eigen value >1 dan berkontribusi terhadap variabilitas antar genotip sebesar 98.50%. PC1 berkontribusi sebesar 69.42 dari Yp dan indeks TOL, MP, GMP, SSI, dan STI. PC2 memberikan kontribusi terhadap keragaman sebesar 29.08% dari Ys dan indeks YI. Analisis klaster berdasarkan indeks toleransi membagi genotip menjadi empat kelompok, menunjukan variabilitas genetik yang cukup tinggi sehingga bisa dijadikan dasar untuk pemilihan dan pengembangan genotip jagung toleran terhadap naungan sengon.
Kata kunci : agroforestri, indeks toleransi, jagung.
Unduhan
Referensi
Ali M. A. (2011). Morpho-physiological diversity and its implications for improving drought tolerance in grain sorghum at different growth stages. AJCS 5(3): 311-320.
Afuape S. O., Okocha P. I. and Njoku D. 2011. Multivariate assessment of the agromorphological variability and yield components among sweet potato (Ipomoea batatas (L.) Lam) landraces. Afr. J. Plant Sci. 5(2), 123-132.
Ahmad, Z., Ajmal, S. U., Munir, M., Zubair, M., & Masood, M. S. (2008). Genetic diversity for morpho-genetic traits in barley germplasm. Pak. J. Bot, 40, 1217-1224.
Anwar, J., Subhani, G. M., Hussain, M., Ahmad, J., Hussain, M., & Munir, M. (2011). Drought tolerance indicesand their correlation with yield in exotic wheat genotypes. Pak. J. Bot, 43: 1527-1530.
Azad M. A. K., B. K. Biswas, N. Alam and Sk. S. Alam (2012). Genetic Diversity in Maize (Zea mays L.) Inbread Lines. The Agricultures 10 (1): 64-70.
Aydin N., S. Gokmen, A. Yildirum, A. Oz, G. Figliuolo, and H. Budak. 2007. Estimating Genetic Variation among Dent Corn Inbred Lines and Topcrosses Using Multivariate Analysis. Journal of Applied Biological Sciences 1 (2): 63-70.
Azizi-Chakherchaman, S. H., Mostafaei, H., Imanparast, L., & Eivazian, M. R. (2009). Evaluation of drought tolerance in lentil advanced genotypes in Ardabil region. J Food Agric Environ, 7, 283-288.
Betran, F. J., Beck, D., Banziger, M., & Edmeades, G. O. (2003). Genetic analysis of inbred and hybrid grain yield under stress and non-stress environments in tropical maize. Crop Sci, 43, 807-817.
Bouslama, M., & Schapaugh, W. T. (1984). Stress tolerance in soybean. Part. 1: Evaluation of three screening techniques for heat and drought tolerance. Crop Sci, 24: 933-937.
Dehbalaei S., E. Farshadfar and M. Farshadfar. 2013. Assessment of Drought Tolerance in bread wheat genotypes Based on Resistance/ Tolerance Indices. IJACS 5 (20): 2352-2358.
El-Badawy, M.ELM. And Mehasen, S.A.S. (2011). Multivariate Analysis For Yield and Its Components In Maize under Zinc and Nitrogen Fertilization Levels. Australian Journal of Basic and Applied Sciences. 5 (12): 3008-3015.
De Jesus O. N., J.P.X de Freitas, J.L.L. Dantas and E. J de Oliveira (2013). Use of Morpho-Agronomic Traits and DNA Profiling for Classification of Genetic Diversity in Papaya. Genet. Mol. Res. 12 (4): 6646-6663.
Fernandez, G. C. J. (1992). Effective selection criteria for assessing stress tolerance. In C. G. Kuo (Ed.), Proceedings of the International Symposium on Adaptation of Vegetables and Other Food Crops in Temperature and Water Stress. Publication, Tainan, Taiwan.
Fischer, R. A., & Maurer, R. (1978). Drought resistance in spring wheat cultivars. I. Grain yield response. Aust J. Agric Res, 29, 897-907.
Gavuzzi, P., Rizza, F., Palumbo, M., Campaline, R. G., Ricciardi, G. L., & Borghi, B. (1997). Evaluation of field and laboratory predictors of drought and heat tolerance in winter cereals. Canadian J. Plant Sci, 77: 523-531.
Golabadi, M., Arzani, A., & Maibody, S. A. M. (2006). Assessment of drought tolerance in segregating populations in durum wheat. Afr. J. Agric. Res. 5: 162-171.
Gholipouri, A., Sedghi, M., Sharifi, R. S., & Nazari, N. M. (2009). Evaluation of drought tolerance indices and their relationship with grain yield in wheat cultivars. Recent Res Sci. & Technol, 1: 195-198.
Goudarzi, M. and H. Pakniyat. 2008. Evaluation of Wheat Cultivars Under Salinity Stress based on some agronomic and Physiological traits. J. Agri. Soc. Sci. 4(1): 35-38.
Hosseini S.J., Z. T. Sarvestani and H. Pirdashti. 2012. Analysis of Tolerance Indices in Some Rice (Oryza sativa) Genotypes at Salt Stress Condition. IRJABS. 3 (1): 1-10.
Jatav S.K. and V.S Kandalkar. 2014. Assessment of wheat genotypes for yield potential and stress adaptation. Journal of Wheat Research 6 (1):29-36.
Jeffers JNR. Two Case Studies in the Application of Principal Component Analysis.Applied Statistics.1996: p.225-236.
Jolliffe IT. Principal Component Analysis, Second Edition. USA: Springer-Verlag New York; 2002.
Karimizadeh, R., Mohammadi, M., Ghaffaripour, S., Karimpour, F., & Shefazadeh, M. K. (2011). Evaluation of physiological screening techniques for drought-resistant breeding of durum wheat genotypes in Iran. Afr. J. Biotechnol, 10: 12107-12117.
Khorasani K., Mostafavi Kh. Zandipour E., and Heidarian A. (2011). Multivariate Analysis of Agronomic Traits of New Corn Hybrids (Zea maize L.) Internasional Journal of Agri Science. 1 (6): 314-322.
Majidi, M. M., Mirlohi, A., & Amini, F. (2009). Genetic variation, heritability and correlations of agro-morphological traits in tall fescue (Festuca arundinacea Schreb). Euphytica, 167, 323-331.
Mohammadi, S.A and B.M. Prasanna. 2003. Analysis of genetic diversity in crop plants- Salient statistical tools and considerations. Crop Sci., 43: 1234-1248.
Mohammadi, R., Armion, M., Kahrizi, D., & Amri, A. 2010. Efficiency of screening techniques for evaluating durum wheat genotypes under mild drought conditions. Int. J. Plant Prod., 4: 11-24.
Nouri, A., Etminan, A., Jaime, A., Silva, T. D., & Mohammadi, R. (2011). Assessment of yield, yield related traits and drought tolerance of durum wheat genotypes (Triticum turjidumvar. durum Desf.). Aust. J. Crop Sci. 5: 8-16.
Rosielle, A. A., & Hamblin, J. (1981). Theoretical aspects of selection for yield in stress and non-stress environments. Crop Sci., 21: 943-946.
Ruswandi D., Agustian, E.P. Anggia, A.O. Canama, H. Marta, S. Ruswandi and E. Suryadi. 2014a. Mutation Breedig of Maize for Anticipating Global Climate Change in Indonesia. Asian Journal of Agricultural Research 8(5): 234-247.
Ruswandi D., J. Supriatna, A.T. makkulawu, B. Waluyo, H. Marta. E. Suryadi and S. Ruswandi. 2014b. Determination of Combining Ability and Heterosis of Grain Yiled Components for Maize Mutants based on Line x Tester Analysis. Asian Journal of Crop Science 7(1): 19-33.
Sharbatkhari M., S. Galeshi, Z.S. Shobbar, B. Nakhoda, and M. Shabazi (2013). Assesment of Agro-physiological Traits for Salt Tolerance in Drought Tolerant Wheat Genotypes. Int. Jou. of Plant Production. 7(3): 437-454.
Sharma, Subhas. 1996. Applied Multivariate Techniques. New York: John Wiley and Sons, Inc.
Van-Ginkel, M., Calhoun, D. S., Gebeyehu, G., Miranda, A., Tian-you, C., Pargas Lara, and R. Rajaram, S. (1998). Plant traits related to yield of wheat in early, late, or continuous drought conditions. Euphytica, 100: 109-121.
Waluyo B, C. Jamilah and A. Karuniawan. 2011. Multivariate Analysis of Morphological Variability among Sweet potato Crops Wild Relative Indonesia Landrace for ex situ Conservation. Presented at international conference on sustainable agriculture and food security: Challenges and opportunities (ICSAFS).
Worede F, T.Sreewongchai, C.Phumichai and P.Scripichitt. 2014. Multivariate Analysis of Genetic Diversity among some Rice Genotypes Using Morpho-agronomic Traits. Journal of Plant Sciences 9(1): 14-24.
Zaman M. A. and M. A. Alam (2013). Genetic Diversity in Exotic Maize (Zea mays L). Hybrids. Bangladesh J. Agril. Res. 38(2): 335-341.
Jurnal Agrotek Indonesia (Indonesian Journal of Agrotech)
