Karakteristik Pertumbuhan Mutan Lamtoro Var. Tarramba Toleran Masam pH 3,4 pada Skala Lapang di UP3J Jonggol
Date
2022Author
Lubis, Fadhilatul Azwa
Prihantoro, Iwan
Karti, Panca Dewi Manu Hara
Metadata
Show full item recordAbstract
Peningkatan adaptabilitas mutan lamtoro var. tarramba pada kondisi masam
pH 3,4 diharapkan tidak menurunkan potensi adaptasinya pada lingkungan normal
skala lapang. Evaluasi karakteristik pertumbuhan mutan tanaman lamtoro var.
tarramba pada skala lapang dilaksanakan di Unit Pendidikan dan Penelitian
Peternakan Jonggol (UP3J). Tujuan penelitian ini adalah mengevaluasi
karakteristik pertumbuhan mutan lamtoro var. tarramba toleran masam pH 3,4
pada skala lapang di UP3J. Penelitian ini menggunakan Rancangan Acak
Kelompok (RAK) dengan 11 mutan lamtoro (T1-T11) yang terdiri dari masing masing lima ulangan dan lamtoro kontrol positif (T0) yang terdiri dari empat
ulangan. Data morfologi (tinggi tanaman, diameter batang, jumlah ranting, dan
jumlah tangkai induk daun majemuk) dianalisis dengan sidik ragam (ANOVA).
Hasil yang berbeda nyata dilakukan analisis lanjut DMRT. Data warna tanah
rizosfer, pH rizosfer, warna daun, dan serangan hama kutu loncat dianalisis secara
deskriptif. Variabel penelitian terdiri dari warna tanah rizosfer, pH tanah rizosfer,
tinggi tanaman, diameter batang, jumlah ranting, jumlah tangkai induk daun
majemuk, warna daun, dan serangan hama kutu loncat. Hasil penelitian
menunjukkan mutan T10, T11, dan T12 menghasilkan nilai pH akhir rizosfer
yang cenderung lebih masam dibandingkan tanaman lainnya. Mutan tanaman
lamtoro var. tarramba toleran masam pH 3,4 pada media tanah kategori agak
masam hingga netral memberikan hasil sama baik dengan kontrol positif lamtoro
var. tarramba pada parameter karakteristik morfologi, warna daun, serta serangan
hama kutu loncat Improved adaptability of lamtoro var. tarramba in acid condition pH 3.4 in
controlled enviroments is expected not to reduce its potential adaptation in the
normal environment of the field scale. Evaluation of the growth characteristics of
lamtoro var. tarramba mutant on the filed scale was carried out at the Jonggol
Animal Science Teaching and Research Unit (JASTRU). The aim of this study is
to evaluate the growth characteristics of lamtoro var. tarramba mutant acid
tolerant pH 3.4 on a field scale at JASTRU. This study was designed by using
Randomized Block Design (RBC) with 11 lamtoro mutants (T1-T11) consisting
of five replications and positive control lamtoro (T0) consisting of four
replications. Morphological data (plant height, stem diameter, number of twigs,
and number of compound leaf stalks) were analyzed using analysis of variance
(ANOVA). The significant different result futher analyzed with DMRT. Data of
rhizosphere soil color, rhizosphere pH, leaf color, and fleas attack were analyzed
descriptively. Observed variables consisted of rhizosphere soil color, rhizosphere
pH, plant height, stem diameter, number of twigs, number of stalks of compound
leaf, leaf color, and fleas attack. The results showed mutants with code T10, T11,
and T12 produced the final rhizosphere pH more acidic than others. Mutant of
lamtoro var. tarramba acid tolerant pH 3.4 on moderately acidic to neutral soil
media is as good as positive control of lamtoro var. tarramba on morphological
characteristics, leaf color, and attack of fleas variables.