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ekawati, fitri
Universitas Andalas
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Journal : Gontor AGROTECH Science Journal

 1 
Inbreeding Depression Test in Phenotypic Characters of Maize Plants from Selfing and Open Pollinated fitri ekawati; Doni Hariandi; Irfan Suliansyah
Gontor AGROTECH Science Journal Vol 7, No 2 (2021): December 2021
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v7i2.5167

Abstract

The initial step in the assembly of hybrid maize is the formation of inbred lines. This research aims to see the differences in phenotypic characters and to determine the percentage of inbreeding depression between selfing and open-pollinated plant populations. Research activities have been carried out in the cornfield of Nagari Sitiung, Sitiung District, Dharmasraya Regency, West Sumatra. The materials used were F2 maize selected from a cross between BSM0729S3 and BAP27799 and maize S4 from BSM0729S3 (female parent). The research was conducted using a T-test, namely open-pollinated (T1) and selfing (T2). After the T-test was performed, the percentage of inbreeding depression was calculated for each observation variable. The results showed that the open-pollinated treatment was significantly different from the selfing treatment on the variables of plant height, ear height, anthesis time, silking time, harvesting age, ear weight per plant, length and diameter of the ear, kernel row number, and intensity of anthocyanin staining on hair, tassels, and roots. The magnitude of the decrease in vigor in the open-pollinated treatment was smaller than the selfing treatment on all observed variables except for the anthocyanin intensity variable in tassel and roots. Therefore, it is necessary to do further selfing on the S4 population to obtain uniform pure lines and mass selection on the F2 population to produce a uniform maize population.
Agronomic Traits and Yield of F1 Maize Hybrids fitri ekawati
Gontor AGROTECH Science Journal Vol 6, No 1 (2020): June 2020
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v6i1.3534

Abstract

Dari hasil analisis heterosis terhadap peubah komponen hasil yang telah dilakukan diperoleh bahwa F1  kombinasi persilangan BSM0729S3A x BAP277991 dan BSM0729S3B x BAP277991 secara umum lebih unggul dibandingkan tetuanya. Dapat disimpulkan bahwa dari tiga kombinasi persilangan diperoleh beberapa kandidat yang berpotensi menghasilkan daya hasil tinggi untuk selanjutnya dilakukan seleksi massa (dalam rangka menghasilkan jagung komposit baru).
Co-Authors Aprizal Zainal Ardhana, Abdillah Aries Kusumawati Auzar Syarif Budi Santosa Dini Hervani Doni Hariandi Ekasari Putri, Nurwanita Helmi Helmi Helmi Helmi Husnarti Irfan Sulainsyah Irfan Suliansyah Jamsari Jamsari Maulidya Fachra Nisa Yusri MUHSANATI MUHSANATI Munzir Busniah MY SYAHRAWATI Nalwida Rozen Obel, Obel Rachmad Hersi Martinsyah Ramadhan, Nugraha Roza Yunita Ryan Budi Setiawan Sanna Paija Hasibuan Sevindrajuta Silvia Permata sari Syafrimen Yasin Winda Purnama Sari Winda Purnama Sari