STUDI VARIASI MORFOLOGI, ANATOMI DAN KANDUNGAN GIZI TANAMAN PADI (Oryza sativa L.) KULTIVAR MENTIK WANGI BERDASARKAN KETINGGIAN TEMPAT TUMBUH DI KABUPATEN NGAWI JAWA TIMUR.
STUDI VARIASI MORFOLOGI, ANATOMI DAN KANDUNGAN GIZI
TANAMAN PADI (Oryza sativa L.) KULTIVAR MENTIK WANGI
BERDASARKAN KETINGGIAN TEMPAT TUMBUH DI KABUPATEN
NGAWI JAWA TIMUR
ANNIS TSAUROTUS SYAHIDAH
Program Studi Biologi, Fakultas Matematika dam Ilmu Pengetahuan Alam,
Universitas Sebelas Maret Surakarta
ABSTRAK
Penelitian ini bertujuan untuk mengetahui adanya variasi morfologi,
anatomi dan kandungan gizi tanaman padi kultivar mentik wangi yang ditanam di
ketinggian tempat yang berbeda di Kabupaten Ngawi Jawa Timur, serta
mengetahui di ketinggian tempat berapa tanaman padi kultivar mentik wangi
menghasilkan kandungan gizi (karbohidrat, lipid dan protein) paling tinggi.
Sampel tanaman diambil dari tiga ketinggian berbeda(200, 500 dan 900
m dpl). Penelitian menggunakan Rancangan Acak Kelompok Lengkap (RAKL)
satu faktor, yakni ketinggian tempat tumbuh. Data yang diambil meliputi data
lingkungan morfologi, anatomi dan kandungan gizi. Analisis anatomi
menggunakan metode paraffin, sedangkan iodokolorimetri digunakan untuk
analisis kadar karbohidrat (amilosa). Kadar lipid dan protein menggunakan
ekstraksi soxhletasi dan kjeldahl. Untuk mengetahui tingkat kesukaan dilakukan
uji organoleptik. Data yang diperoleh dianalisis dengan Analysis of Variance
(ANOVA) satu arah kemudian dilanjutkan dengan DMRT 5%.
Hasil penelitian menunjukkan terjadi penurunan panjang dan diameter
akar, tinggi tanaman, diameter batang serta berat per 100 biji seiring dengan
kenaikan ketinggian tempat. Akan tetapi untuk jumlah akar, panjang dan lebar
daun mengalami peningkatan,begitu pula dengan tebal epidermis daun serta
jumlah rongga aerenkim akar dan batang. Terjadi kecenderungan penurunan
kandungan amilosa dan protein seiring kenaikan ketinggian tempat. Kesukaan
masyarakat terhadap nasi mentik wangi menurun seiring dengan kenaikan
ketinggian tempat.
Kata Kunci : Padi, Ngawi, ketinggian tempat, karakter morfologi dan anatomi,
kandungan gizi dan uji organoleptik.
VARIATIONS STUDY OF MORPHOLOGY, ANATOMY AND THE
NUTRITIONS CONTENTS OF RICE (Oryza sativa L.) MENTIK WANGI
CULTIVAR BASED ON ALTITUDES IN NGAWI, EAST JAVA
ANNIS TSAUROTUS SYAHIDAH
Department of Biology, Faculty of Mathematics and Natural Sciences,
Sebelas Maret University, Surakarta
ABSTRACT
The purposes of this research were to examine the variation in
morphology, anatomy and nutritions contents of mentik wangi rice plants which
grown at different altitudes in Ngawi District, East Java,and also were to have
look in which altitudes produced the highest nutritions content (carbohydrates,
lipids and proteins).
The plants sample were collected from different altitudes (200, 500 and
900 m asl). Randomized Complete Block Design (RCBD) with one factor, that
was altitude was used in this research. Paraffin method was used to look at the
anatomical character, while the carbohydrate content (amylase) was analyzed
using iodine calorimetry.Kjeldahl and soxhletmethods were used to look at the
content of lipid and protein respectively. Organoleptic test was performed to
determine the level of favorability. Environmental condition, morphological and
anatomical characters and nutritions contents of rice plant were analyzed using
one way ANOVA, continued with DMRT 5%.
The results showed that the length and diameter of roots, plant height,
stem diameter and also weight per 100 seeds were declining due to higher altitude.
In other handthe number of roots, the length and width of leafwas increase,as well
as the thick leaf epidermis and the number of cavities aerenchyma roots and
stems. In general, there was a tendency decrease of amylose and protein contents
due to higher altitude. The level of favorability of rice mentik wangi decreases
along with increasing in altitude.
Keywords: rice, Ngawi, altitudes, morphology and anatomy, nutrition content and
organoleptic.
TANAMAN PADI (Oryza sativa L.) KULTIVAR MENTIK WANGI
BERDASARKAN KETINGGIAN TEMPAT TUMBUH DI KABUPATEN
NGAWI JAWA TIMUR
ANNIS TSAUROTUS SYAHIDAH
Program Studi Biologi, Fakultas Matematika dam Ilmu Pengetahuan Alam,
Universitas Sebelas Maret Surakarta
ABSTRAK
Penelitian ini bertujuan untuk mengetahui adanya variasi morfologi,
anatomi dan kandungan gizi tanaman padi kultivar mentik wangi yang ditanam di
ketinggian tempat yang berbeda di Kabupaten Ngawi Jawa Timur, serta
mengetahui di ketinggian tempat berapa tanaman padi kultivar mentik wangi
menghasilkan kandungan gizi (karbohidrat, lipid dan protein) paling tinggi.
Sampel tanaman diambil dari tiga ketinggian berbeda(200, 500 dan 900
m dpl). Penelitian menggunakan Rancangan Acak Kelompok Lengkap (RAKL)
satu faktor, yakni ketinggian tempat tumbuh. Data yang diambil meliputi data
lingkungan morfologi, anatomi dan kandungan gizi. Analisis anatomi
menggunakan metode paraffin, sedangkan iodokolorimetri digunakan untuk
analisis kadar karbohidrat (amilosa). Kadar lipid dan protein menggunakan
ekstraksi soxhletasi dan kjeldahl. Untuk mengetahui tingkat kesukaan dilakukan
uji organoleptik. Data yang diperoleh dianalisis dengan Analysis of Variance
(ANOVA) satu arah kemudian dilanjutkan dengan DMRT 5%.
Hasil penelitian menunjukkan terjadi penurunan panjang dan diameter
akar, tinggi tanaman, diameter batang serta berat per 100 biji seiring dengan
kenaikan ketinggian tempat. Akan tetapi untuk jumlah akar, panjang dan lebar
daun mengalami peningkatan,begitu pula dengan tebal epidermis daun serta
jumlah rongga aerenkim akar dan batang. Terjadi kecenderungan penurunan
kandungan amilosa dan protein seiring kenaikan ketinggian tempat. Kesukaan
masyarakat terhadap nasi mentik wangi menurun seiring dengan kenaikan
ketinggian tempat.
Kata Kunci : Padi, Ngawi, ketinggian tempat, karakter morfologi dan anatomi,
kandungan gizi dan uji organoleptik.
VARIATIONS STUDY OF MORPHOLOGY, ANATOMY AND THE
NUTRITIONS CONTENTS OF RICE (Oryza sativa L.) MENTIK WANGI
CULTIVAR BASED ON ALTITUDES IN NGAWI, EAST JAVA
ANNIS TSAUROTUS SYAHIDAH
Department of Biology, Faculty of Mathematics and Natural Sciences,
Sebelas Maret University, Surakarta
ABSTRACT
The purposes of this research were to examine the variation in
morphology, anatomy and nutritions contents of mentik wangi rice plants which
grown at different altitudes in Ngawi District, East Java,and also were to have
look in which altitudes produced the highest nutritions content (carbohydrates,
lipids and proteins).
The plants sample were collected from different altitudes (200, 500 and
900 m asl). Randomized Complete Block Design (RCBD) with one factor, that
was altitude was used in this research. Paraffin method was used to look at the
anatomical character, while the carbohydrate content (amylase) was analyzed
using iodine calorimetry.Kjeldahl and soxhletmethods were used to look at the
content of lipid and protein respectively. Organoleptic test was performed to
determine the level of favorability. Environmental condition, morphological and
anatomical characters and nutritions contents of rice plant were analyzed using
one way ANOVA, continued with DMRT 5%.
The results showed that the length and diameter of roots, plant height,
stem diameter and also weight per 100 seeds were declining due to higher altitude.
In other handthe number of roots, the length and width of leafwas increase,as well
as the thick leaf epidermis and the number of cavities aerenchyma roots and
stems. In general, there was a tendency decrease of amylose and protein contents
due to higher altitude. The level of favorability of rice mentik wangi decreases
along with increasing in altitude.
Keywords: rice, Ngawi, altitudes, morphology and anatomy, nutrition content and
organoleptic.