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Yunin Hidayati
Dosen Jurusan Agroekoteknologi FP UTM

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KADAR HORMON SITOKININ PADA TANAMAN KENAF (Hibiscus cannabinus L.) BERCABANG DAN TIDAK BERCABANG hidayati, yunin
JURNAL PENA SAINS Vol 1, No 1 (2014): JURNAL PENA SAINS
Publisher : JURNAL PENA SAINS

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Abstract

Tanaman kenaf pada umumnya tidak menghasilkan cabang produktif dan hanya menghasilkan siwilan-siwilan (bakal cabang yang tidak tumbuh menjadi cabang) saja. Percabangan pada kenaf  dipacu oleh adanya sinergisme antara kadar  hormon auksin-sitokinin. Rasio kadar tertentu hormon auksin-sitokinin dalam tanaman menentukan pembentukan cabang pada tanaman. Berdasarkan hasil pengamatan morfologi tanaman kenaf bercabang dan tidak bercabang tampak bahwa ada perbedaan karakter morfologi yang meliputi tinggi tanaman, jumlah cabang, panjang cabang dan jumlah nodus pada tanaman kenaf galur bercabang, kontrol tidak bercabang KR11 dan kontrol bercabang SM004. Kontrol tidak bercabang KR11 memiliki ketinggian tertinggi dan jumlah cabang paling sedikit dibanding lainnya. Kontrol bercabang SM004 memiliki tinggi paling rendah dan jumlah cabang paling banyak dibanding lainnya. Rata-rata ketinggian tanaman paling tinggi adalah kontrol tidak bercabang KR11 yaitu 230,6 ± 36,7 cm dan paling rendah adalah kontrol bercabang SM004 yaitu 116,3 ± 64,4 cm. Sedangkan jumlah cabang paling banyak yaitu kontrol bercabang SM004 mencapai  5,6 ± 2,7 cabang tiap tanamannya dan paling sedikit adalah KR11 yang memiliki rata-rata 0,8 ±  0,8 cabang tiap tanamannya. Berdasarkan penelitian tampak bahwa semakin tinggi tanaman maka jumlah cabang yang dihasilkan semakin sedikit dan sebaliknya semakin rendah tinggi tanaman maka jumlah cabang yang dihasilkan semakin banyak. Kadar sitokinin tertinggi yang dihasilkan pada masing-masing tanaman adalah pada ujung akar dan kadar terendah adalah pada ujung batang.
KADAR HORMON AUKSIN PADA TANAMAN KENAF (Hibiscus cannabinus L.) BERCABANG DAN TIDAK BERCABANG Hidayati, Yunin
Agrovigor Vol 2, No 2 (2009): SEPTEMBER
Publisher : Agrovigor

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Abstract

Kenaf is one of fiber producing plants. According to the existence of branches, kenaf is classified into two group, consisting of: kenaf with branch and with no branch.Morphology observation, consist of the height of plant, the number of node, the number of branch and the length of branch was observed. The morphology observation showed that there were differences morphological characters, including of the height of plant, the number of node, the length of branch, and the number of node more branching kenaf, control non branching (KR11) and control branching (SM004).Non branching plants (KR11) have the highest habitus and smallest number of branch compare to other groups. Control branching (SM004) was the shortest habitus and greatest number of branch compare to other group. The highest of Non branching plants (KR11) 230,6 ± 36,7 cm and the smallest control branching (SM004) 116,3 ± 64,4 cm. The greatest number of branch found in controled branch SM004, with 5,6 ± 2,7 branch in every plant and the smallest is KR11 with 0,8 ± 0,8 branch in every plant.According to this research the length of plant influence the branch. The highest level of auxin were in the shoot tip and the lowest level were in root tip. The higher auxin will produce less branch, the lower auxin will produce more branch.
PENGARUH KOMPOSISI MEDIA TANAM TERHADAP PERTUMBUHAN DAN KANDUNGAN SAPONIN PADA DUA VARIETAS TANAMAN GENDOLA (Basella sp) Fitrianah, Listin; Fatimah, Siti; Hidayati, Yunin
Agrovigor Vol 5, No 1 (2012): MARET
Publisher : Agrovigor

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Abstract

The need for raw materials increase with increasing drug utilization of traditional medicine is increasing. Gendola is one type of potential medicinal plants, which have two varieties of the red gendola (Basella rubra L.) and white gendola (Basella alba L.). Saponin is one of the secondary metabolites from plants gendola. Appropriate planting medium is also a prerequisite of success, especially crop cultivation in containers. The purpose of this study was to investigate the effect and compare the composition of growing media on growth and saponin content in two varieties of plants gendola.The study was conducted in a plastic house agriculture Faculty of University orchard trial Trunojoyo Madura University Madura College of Agricultural Experiment Garden Trunojoyo Madura which lies at an altitude of ± 3 meters above sea level. The study began in November 2011  until Februari 2012. The method used was a factorial experiment based Randomized Design (CRD) with three replicates consisting of two treatment factors, the first factor is gendola different varieties of plants and the second factor is the combination of different growing.The result showed that the treatment plant varieties and combinations of place influende on plant length,  leaf number, leaf area, all part plant fresh weight and all part plant dry weight. Red gondolas varieties yield components of growth, biomass weightand content of saponins in the leaves is high. Growing composition 1 : 1 (½ sections of land: ½ cow manure) gave the highest growth component in plant fresh weight and all part plant dry weight. Treatment plant varieties and combination of composition of saponin in the leaves but a very real influence on each treatment factor. The highest saponin content of the red varieties while growing composition 2 : 1 (2/3 parts soil : 1/3 cow manure) and the planting composition 1 : 2 1/3 part of land : 2/3 cowmanure) gives the value highest. Control treatment is growing composition 1: 0 (1part soil : cow dung manure 0) gives the lowest value on the saponin content of leaves.
KECENDERUNGAN PILIHAN JAJANAN PANGAN ANAK SD TERHADAP JAJANAN BERFORMALIN hidayati, yunin; Muharrami, Laila Khamsatul
JURNAL PENA SAINS Vol 1, No 2 (2014): JURNAL PENA SAINS
Publisher : JURNAL PENA SAINS

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Abstract

Anak-anak Sekolah Dasar (SD) tentunya tidak bisa terlepas dari jajanan pangan. Beragamnya pilihan  jajanan pangan tidak  diimbangi dengan pengetahuan bagi  para  pedagang jajanan agar menjajakan jajanan  pangan  yang  aman  bagi  pembeli  khususnya bagi  anak-anak.  Hal  tersebut menjadi suatu kekhawatiran tersendiri bagi para orang tua karena susahnya memantau jajanan pangan yang aman bagi putra-putri mereka.jajanan pangan menurut WHO (1996) adalah makanan jajanan sebagai makanan dan minuman yang dipersiapkan dan/atau dijual oleh pedagang kaki lima di  jalanan dan  tempat-tempat keramaian umum  lain  yang  langsung dimakan atau  dikonsumsi kemudian tanpa pengolahan atau persiapan lebih lanjut. Penggunaan formalin dalam proses pembuatan jajanan saat ini marak digunakan. Penggunaan formalin tersebut digunakan dengan tujuan agar jajanan bisa tahan lama. Namun demikian penggunaan formalin sangat berbahaya bagi kesehatan karena dapat memicu kanker dan penyakit lainnya. Dalam penelitian ini diketahui bahwa ada kecenderungan bagi anak-anak SD untuk memilih jajanan pangan yang mengandung formalin. Hal  tersebut ditunjukkan dengan ditemukannya kandungan formalin  hamper  di  semua  jajanan pangan yang dijual di sekolah dasar pada daerah-daerah pengambilan sample penelitian.
ANALYSIS OF LOCAL WISDOM TOWARD ENVIRONMENTAL CONSERVATION ATTITUDE IN BANGKALAN DISTRICT: A PRELIMINARY RESEARCH Hidayati, Yunin
JURNAL PENA SAINS Vol 6, No 1 (2019): Jurnal Pena Sains
Publisher : Program Studi Pendidikan IPA, Fakultas Ilmu Pendidikan, Universitas Trunojoyo Madura

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Abstract

Based on the results and discussion previously described, the results can be concluded that local wisdom in Bangkalan district can be used to raise awareness of the importance of environmental conservation and the use of potential around the community. Suggestions that can be given is that it expected that research is developed for implementation in the field of education by including into one of the learning materials for example on the topic of environmental pollution.