Karakterisasi Arsitektur Akar Fase Perkecambahan Lactuca sativa L. dan Brassica juncea L.

Moch. Faizul Huda; Rossanita Truelovin Hadi Putri

doi:10.32764/epic.v5i2.927

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Affiliations

Moch. Faizul Huda
Universitas KH. A. Wahab Hasbullah

Rossanita Truelovin Hadi Putri
Universitas KH. A. Wahab Hasbullah

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Karakterisasi Arsitektur Akar Fase Perkecambahan Lactuca sativa L. dan Brassica juncea L.

Moch. Faizul Huda ,
Rossanita Truelovin Hadi Putri

Vol 5 No 2 (2023): Mei 2023

DOI 10.32764/epic.v5i2.927

Submitted: May 29, 2023

Published: Jun 5, 2023

Abstract

ABSTRACT

The root system consists of various types of roots, which differ in origin, anatomy, and function. In general, primary roots are of embryonic origin and are the first roots to emerge during germination, anchoring the new seedling to the soil and supplying the initial nutrients. Different types of roots vary in their contribution to structural function and absorbance, and in terms of the stage of plant growth. This study aims to observe the characterization of root anatomy structure in the early phase of germination through protoxylem and metaxylem in lettuce and mustard greens. The research method used in this study is using the wholemont technique. Based on the results of the study, it was obtained an overview of the anatomical structure of the tracheal tissue, root structure and number of secondary walls in Lactuca sativa L preparations D3, D2, D1 and D0 showing protoxylem and metaxylem in the form of dots. Different results were shown on the anatomical structure of the roots of Brassica juncea L preparations D3 and D2 showed protoxylem in the form of a spiral and dots; dot-shaped metaxylem. Meanwhile, the D1 and D0 preparations showed protoxylem and metaxylem in the form of dots. Characterization of primary roots can develop into lateral roots, where mining length and growth of the root is called root architecture.

Keywords: Protoxylem; Metaxylem; Wholemont; Lactuca sativa L.; Brassica juncea L.

ABSTRAK

Sistem akar terdiri dari beragam jenis akar, yang berbeda asal, anatomi, dan fungsinya. Secara umum, akar primer berasal dari embrionik dan merupakan akar pertama yang muncul saat perkecambahan, menambatkan bibit baru ke tanah dan memasok nutrisi awal. Jenis akar yang berbeda bervariasi dalam kontribusinya terhadap fungsi struktural dan absorbansi, dan dalam hal tahap pertumbuhan tanaman. Penelitian ini bertujuan untuk mengamati karakterisasi struktur anatomi akar pada fase awal perkecambahan melalui protoxilem dan metaxilem tanaman selada dan sawi. Metode penelitian yang digunakan pada penelitian ini adalah menggunakan teknik wholemont. Berdasarkan hasil penelitian diperoleh gambaran struktur anatomi jaringan trakea, struktur akar dan jumlah dinding sekunder pada Lactuca sativa L preparat H3, H2, H1 dan H0 menunjukkan protoxilem dan metaxilem berbentuk noktah. Hasil berbeda ditunjukkan pada struktur anatomi akar Brassica juncea L preparat H3 dan H2 menunjukkan protoxilem berbentuk spiral dan noktah; metaxilem berbentuk noktah. Sedangkan pada preparat H1 dan H0 menunjukkan protoxilem dan metaxilem berbentuk noktah. Karakterisasi akar primer dapat berkembang menjadi akar lateral, dimana penambangan panjang dan pertumbuhan dari akar disebut arsitektur akar.

Kata-kata Kunci: Protoxilem; Metaxilem; Wholemont; Lactuca sativa L.; Brassica juncea L.