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All Journal Jurnal Biodjati AL-HAYAT: Journal of Biology and Applied Biology
Utaminingsih, Utaminingsih
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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Morfologi Trikoma Petal Dan Sepal Bererapa Varietas Bunga Krisan (Chrysanthemum Morifolium Ramat.) Utaminingsih, Utaminingsih; Astiti, Adam; Sutikno, Sutikno
Al-Hayat: Journal of Biology and Applied Biology Vol. 4 No. 2 (2021)
Publisher : Fakultas Sains dan Teknologi, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/ah.v4i2.6861

Abstract

Krisan merupakan tumbuhan yang termasuk dalam familia Acanthacea yang hidup pada dataran tinggi dengan iklim tropis atau sub tropis. Krisan digunakan sebagai obat herbal karena mengandung senyawa flavonoid dan alkaloid yang digunakan sebagai anti antibakteri, antiinflamasi, antioksidan. Berdasarkan pendekatan anatomi dapat diketahui bahwa tumbuhan mensintesis dan menyimpan senyawa bioaktif melalui sel-sel dan jaringan yang terspesialisasi. Salah satu sel, dan jaringan yang terspesialisasi untuk mensekresi metabolit sekunder adalah trikoma. Trikoma dapat dibagi menjadi trikoma glandular dan non glandular. Trikoma glandular dapat menyimpan dan mensekresi metabolit sekunder pada tumbuhan, sedangkan trikoma non glandular tidak dapat mensekresi metabolit sekunder. Tujuan dari penelitian ini adalah mengetahui bentuk, dan jenis trikoma pada varietas krisan fiji kuning, fiji putih, jimla kuning, puspita nusantara dan barcadi. Penelitian ini menggunakan metode leaf clearing pada sepal dan petal bunga krisan, kemudian dilakukan pengamatan dengan optilab. Pada penelitian ini ditemukan bahwa terdapat lima jenis trikoma glandular dan dua jenis trikoma non glandular. Dari penelitian yang telah dilakukan dapat disimpulkan bahwa terdapat tujuh tipe trikoma yang ditemukan pada lima varietas krisan yang diuji dan setiap varietas krisan memiliki jenis trikoma yang berbeda.
Developmental Anatomy of Anther in the Red Dragon Fruit (Hylocereus polyrhizus Britton & Rose) Utaminingsih, Utaminingsih
Al-Hayat: Journal of Biology and Applied Biology Vol. 8 No. 2 (2025)
Publisher : Fakultas Sains dan Teknologi, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/ah.v8i2.28955

Abstract

The developmental anatomy of the anther in Hylocereus polyrhizus (red dragon fruit) was examined to elucidate the sequential processes of microsporogenesis and microgametogenesis that underlie pollen formation. Flower buds were sampled at five developmental stages (1-5) and analyzed histologically using paraffin embedding and safranin staining. Anther length increased progressively by 96% from stages 1 to 4 and plateaued before anthesis, indicating growth cessation before pollen maturation. The anther wall followed a dicotyledonous pattern, comprising the epidermis, endothecium, middle layer, and tapetum. Early stages featured archesporial differentiation into primary parietal and sporogenous cells, followed by the formation of secondary parietal and sporogenous layers. The endothecium developed fibrous thickenings, while the binucleate, secretory tapetum provided nutrients for developing microspores and degenerated at maturity. Microsporogenesis proceeded from microspore mother cells to tetrads and solitary microspores, culminating in tricellular pollen grains at anthesis. These findings demonstrate that anther development in H. polyrhizus conforms to the typical dicotyledonous type, with characteristic features such as a secretory tapetum and fibrous endothecium. The results provide essential anatomical insight to support breeding programs, artificial pollination strategies, and reproductive biology studies of this economically valuable cactus species.
Anatomical Structure of Sepal and Petal of Red Dragon Fruit (Hylocereus polyrhizus Britton & Rose) During Flower Development Utaminingsih, Utaminingsih; Etfanti, Sulhan; Suharyanto, Suharyanto; Maryani, Maryani
Jurnal Biodjati Vol 4 No 2 (2019): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v4i2.4581

Abstract

Red dragon fruit (Hylocereus polyrhizus Britton & Rose) is one type of cactus plant which is very potential as an ornamental plant and edible fruit. Flower is organ that play an important role in the process of breeding plants generatively. This reasearch aimed to study the anatomical structure of sepals and petals of red dragon fruit plants during flower development. The research stages included: sepals and petals sampling that held at various stages of flowering ; morphological observation (measurement length of sepals and petals); anatomical slides of sepals and petals cross section using the embedding method, anatomical observation and image capture of sepals and petals. The parameters observed were bud size, sepal length, petal length, sepal thickness, petal thickness, and tissue description composed. The results of this study indicated that buds have an increased development pattern. The increase in bud size is directly proportional to the stage of the bud. Sepal and petal are composed of epidermal tissue which form papillae, cryptophore stomata, secretory parenchyma space containing mucus, and tissues transport system is closed collateral.
Co-Authors Astiti, Adam Etfanti, Sulhan Maryani Maryani Suharyanto Sutikno Sutikno