KAJIAN MODEL STABILITAS BASIL SECARA KUALITATIF DAN KUANTITATIF UNTUK UJI MULTILOKASI MUSIM PADA TEMBAKAU VIRGINIA RAJANGAN BOJONEGORO

ADJI SASTROSUPADI, SUWARSO SUWARSO, ANIKHERWATI ANIKHERWATI

Abstract


ABSTRAK
Kajian model stabilitas hasil dilakukan untuk uji multi lokasi musim
pada galur tembakau Virginia rajangan Bojonegoro di tigs lokasi,
Kedungadem, Pekuwon dan Sugihwaras, Jawa Timur pada empat musim
tanam 1997, 1998, 1999, dan 2001. Tiga lokasi yang dipilih merupakan
daerah pengembangan tembakau Virginia Bojonegoro, masing - masing
berjarak antara 15 - 20 km satu sama lain. Empat belas galur yang diuji
merupakan hasil seleksi sejak tahun 1990. Rancangan percobaan yang
digunakan di setiap lokasi adalah rancangan kelompok dengan tiga
ulangan. Ukuran petak percobaan 8,6 m x 6,75 m, jarak tanam 90 x 45
cm, dengan satu tanaman per lubang. Penentuan stabilitas hasil dengan
menggunakan model kualitatif YAU dan HAMBLIN (1994) dan model
kuantitatif menurut PERKINS dan JINKS (1968). Hasil analisis
menunjukkan dengan model kualitatif galur nomor 13, 7, 10, 6, dan 5
merupakan galur yang stabil dengan hasil rajangan kering di atas hasil rata-
ratanya, sedang dengan model kuantitatif galur nomor 9,11,14, 6, dan 10
merupakan galur yang stabil dengan hasil ranjangan kering di atas rata-
ratanya. Pengukuran stabilitas hasil dengan model kuantitatif lebih
informatif dibandingkan dengan model kualitatif.
Kata kunci : Tembakau, Nicotiana tabacum, tembakau Virginia, uji
multilokasi, stabilitas hasil, Jawa Timur

ABSTRACT
Study of qualitative and quantitative yield stability model
for season muUilocation test of Bojonegoro sliced Virginia
tobacco
Study of quantitative and qualitative stability model for multi-
location-season test of Bojonegoro sliced Virginia tobacco conducted in
three locations: Kedungadem, Pekuwon and Sugihwaras, East Java in
1997; 1998; 1999, and 2001. The selected locations were the area of the
Virginia tobacco development. The locations were 15-20 km apart from
one another. Fourteen lines of sliced Virginia tibacco tested were the result
of selection since 1990, tested in three locations and four growing seasons.
The experiment used a randomized blok design with three replications in
each location. Plot size was 8,6 m x 6,75 m, plant distance was 90 cm x
45 cm, one plant per hole. The stability parameters were measured by
qualitative model according to YAU and HAMBLIN (1994) and
quantitative ones were measured according to PERKINS and JINKS
(1968). The result of the analysis using qualitative model showed that lines
No 13, 10, 6, dan 5 were stable genotypes with the yield above its average
while based on quantitative model and lines No 9,11,14, 6, dan 10 were
stable genotypes with the yield above its average. Measurement of yield
stability using quantitative model was more informative compared to
qualitative model.
Key words: Tobacco, Nicotiana tabacum, virgina tobacco, multi-location
test, yield stability. East Java

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DOI: http://dx.doi.org/10.21082/jlittri.v11n4.2005.134-139

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