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Identifikasi Karakter Morfologis Asam Gelugur (Garcinia atroviridis Griff. ex T. Anders) di Beberapa Kabupaten Sumatera Utara Anggria Lestami; Eva Sartini Bayu; Emmy Harso Kardhinata
Jurnal Agroekoteknologi Vol 5, No 3 (2017)
Publisher : Universitas Sumatera Utara

Penelitian ini bertujuan untuk mengidentifikasi karakter morfologis dan hubungan kekerabatan tanaman asam gelugur yang ada di beberapa Kabupaten Sumatera Utara. Penelitian ini dilakukan di Kabupaten Deli Serdang, Kabupaten Langkat dan Kabupaten Serdang Berdagai pada bulan Mei-September 2016 dengan metode survei menggunakan panduan deskriptor asam gelugur IPGRI. Teknik pengambilan sampel secara accidental sampling. Parameter yang diamati adalah tinggi tanaman, panjang batang, lingkaran batang, permukaan batang, bentuk tajuk, warna daun muda, warna daun tua, ukuran daun (panjang dan lebar), bentuk daun, bentuk pangkal daun, bentuk ujung daun, tepi daun, tulang daun, ukuran bunga, kedudukan bunga, warna kelopak bunga, warna mahkota bunga, bentuk buah, jumlah segmen pada buah, diameter buah, berat buah, ukuran buah, ketebalan kulit buah, warna buah masak, panjang biji, lebar biji, jumlah biji per buah, bentuk biji, warna biji. Hasil penelitian menunjukkan bahwa di tiga Kabupaten Sumatera Utara terdapat 21 aksesi asam gelugur yang diidentifikasi. Hasil karakterisasi morfologis untuk bentuk tajuk (piramida dan bulat panjang), permukaan batang (licin, kasar, sangat kasar), daun (jorong, memanjang, lanset), bunga (bunga betina dan bunga hermaprodit), buah (bulat, merata, bujur telur).

Growth Characteristics of Vetiver Grass (Vetiveria zizanioides) on Saline Soils Aisar Novita; Merlyn Mariana; Silvia Nora; Elrisa Ramadhani; Hilda Julia; Anggria Lestami
Agro Bali : Agricultural Journal Vol 5, No 2 (2022)
Publisher : Universitas Panji Sakti

Vetiver is widespread in saline areas. Only a few studies have reported that they are sufficiently tolerant of salt. The primary mechanism of salt tolerance in vetiver is still not known with certainty. This study aims to determine salinity's effect on early growth of vetiver (Vetiveria zizanioides L.) seedlings. This research was conducted in a greenhouse, Faculty of Agriculture, Universitas Sumatera Utara, Medan. This study used a non-factorial randomized block design (RBD), namely the salinity stress (S) which consisted of 3 levels: EC salinity levels of 0 (distilled water), 4 dsm-1 and 8 dsm-1. The salinity stress treatment showed a significant effect of reducing the growth parameters of plant height, leaf area, chlorophyll a and chlorophyll b. Salinity stress treatment gave significantly better effect in conditions without salinity stress.

Utilization of shallot extract and administration of indole acetic acid to Chrysanthemum sp in vitro culture DAFNI MAWAR TARIGAN; WAN ARFIANI BARUS; FEMIL YANDA HAKIM NASUTION; ANGGRIA LESTAMI
Jurnal Natural Volume 22 Number 2, June 2022
Publisher : Universitas Syiah Kuala

Chrysanthemum sp is a plant that has the potential to be developed in Indonesia, apart from being an ornamental flower, it can also be used as a herbal medicine. One of the efforts to develop chrysanthemum can be done in vitro by using organic growth regulators such as shallot extract and indole acetic acid (IAA). The research aims to identify the effect of shallot extract and IAA on the growth of Chrysanthemum sp. The research was conducted at UPT Central Horticulture Seed Center, Medan Johor, in December 2019 - January 2020. The research used a factorial Completely Randomized Design (CRD) with 2 factors, namely the first factor was shallot extract which consisted of 4 levels, namely 0, 35, 70, and 105 g/L water. The second factor was IAA which consisted of 4 levels, namely 0.6, 0.9, 1.2, and 1.5 mg/L water. The results showed that the administration of shallot extract had no significant effect on the growth of chrysanthemum, but the administration of IAA had a significant effect on the number of leaves and plant height with the best concentration at 0.6 mg/L water. The interaction of the two treatments also had no significant effect on the growth of chrysanthemum.

Utilization of shallot extract and administration of indole acetic acid to Chrysanthemum sp in vitro culture DAFNI MAWAR TARIGAN; WAN ARFIANI BARUS; FEMIL YANDA HAKIM NASUTION; ANGGRIA LESTAMI
Jurnal Natural Volume 22 Number 2, June 2022
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v22i2.25778

Chrysanthemum sp is a plant that has the potential to be developed in Indonesia, apart from being an ornamental flower, it can also be used as a herbal medicine. One of the efforts to develop chrysanthemum can be done in vitro by using organic growth regulators such as shallot extract and indole acetic acid (IAA). The research aims to identify the effect of shallot extract and IAA on the growth of Chrysanthemum sp. The research was conducted at UPT Central Horticulture Seed Center, Medan Johor, in December 2019 - January 2020. The research used a factorial Completely Randomized Design (CRD) with 2 factors, namely the first factor was shallot extract which consisted of 4 levels, namely 0, 35, 70, and 105 g/L water. The second factor was IAA which consisted of 4 levels, namely 0.6, 0.9, 1.2, and 1.5 mg/L water. The results showed that the administration of shallot extract had no significant effect on the growth of chrysanthemum, but the administration of IAA had a significant effect on the number of leaves and plant height with the best concentration at 0.6 mg/L water. The interaction of the two treatments also had no significant effect on the growth of chrysanthemum.

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