Stabilitas dan adaptabilitas daya hasil hibrida jagung manis padjadjaran berdasarkan analisis AMMI

Evaluasi interaksi G x E melalui pengujian multilokasi merupakan tahapan penting untuk menentukan stabilitas dan adaptabilitas hibrida superior. Untuk menentukan interaksi G x E, stabilitas dan adaptabilitas hibrida jagung manis Padjadjaran di Jawa Barat, enam belas hibrida Padjadjaran dan dua hibrida komersial diuji di tiga lokasi selama dua musim yang berbeda di Jawa Barat- Indonesia. Hasil memperlihatkan bahwa biplot AMMI dapat dengan akurat menentukan interaksi G x E, stabilitas, dan adapatabilitas hasil hibrida jagung manis Padjadjaran di Jawa Barat. Biplot AMMI mengidentifikasi bahwa hibrida jagung manis Padjadjaran G 10 sebagai jagung manis yang stabil di berbagai lokasi pengujian dan musim di Jawa Barat, sedangkan hibrida jagung manis Padjadjaran G5 dan Padjadjaran G11 sebagai hibrida yang spesifik lingkungan. Biplot AMMI disarankan sebagai alat menentukan hibrida superior yang akan dilepas di Indonesia.Evaluation of genotype (G) x environment (E) interaction through multi-location testing is an important phase to determined stability and adaptability of superior hybrid. To determined G x E interaction, stability and adaptability of Padjadjaran sweet corn hybrids, sixteen new Padjadjaran sweetcorn hybrids and two commercial hybrids were tested in three locations for two different seasons in West Java, Indonesia. Results showed that AMMI biplot was accurately determined G x E interaction, stability and adaptability of Indonesian sweet corn in West Java for yield. The AMMI biplot determined Padjadjaran G 10 sweetcorn hybrid as a stable hybrid across locations and seasons in West Java, while Padjadjaran G5 and G11 as the specific environment hybrid. The AMMI biplot is suggested to implement as a tool to release particular superior hybrid in Indonesia. Key words : Adaptability, AMMI, G x E interaction, Sweetcorn, Stabili