Abstract. Yulianah I, Waluyo B, Ashari S, Kuswanto. 2020. Variation in morphological traits of a selection of Indonesian winged bean accessions (Psophocarpus tetragonolobus) and its analysis to assess genetic diversity among accessions. Biodiversitas 21: 2991-3000. In Indonesia, winged bean (Psophocarpus tetragonolobus (L.) DC.) is a traditional vegetable crop grown mainly for its edible green pods. Plant breeding programs aim to produce cultivars with high production and good nutritional qualities. The objective of this present study was to assess genetic diversity among 21 selected Indonesian winged bean lines based on observation of morphological characters. This was the first step in determining an appropriate breeding program for the development of improved vegetable cultivars. Twelve qualitative characters and eight quantitative variables were assessed for each of the 21 lines. Categorical differences among lines were observed in characters such as leaflet, pod and seed shape, pod surface texture, anthocyanin pigmentation of stem, flowers and pods. Several of these characters are useful as genetic markers, and cluster analysis of the 21 lines on the basis of qualitative characters enabled two distinct groupings to be identified. Quantitative variation across line means was also high for several of the quantitative variables (a coefficient of variation > 25% for pod length, number of pods per plant, and total pod weight per plant). Principal component analysis applied to the eight variables accounted for 86% of the total variation in just three components with eigenvalues > 1. On Component 1, the characters number of days to first open flower, pod length and pod weight were closely aligned with total weight of pods per plant. Number of pods per plant was not closely aligned with weight of pods per plant. This study has enabled broad differences between groups of lines to be categorized and has identified particular lines with characteristics that recommend them for inclusion as parents in inheritance studies designed to elucidate the contribution that individual characters make to overall productivity, attractiveness, and nutrition of this useful, high protein, vegetable species.
Kecipir (Psophocarpus tetragonolobus L.) merupakan salah satu tanaman yang berasal dari famili Fabaceae dengan banyak manfaat (multifungsi). Polong tanaman kecipir memiliki banyak kandungan nutrisi yang cukup baik bagi tubuh. Pemanfaatan polong segar kecipir masih sangat rendah oleh masyarakat. Hal ini dapat disebabkan oleh beberapa faktor, salah satunya adalah atribut kualitas dan nilai ekonomis yang dimiliki oleh komoditas kecipir yang masih tergolong rendah jika dibandingkan dengan sayuran lain. Dalam industri pertanian, peningkatan kualitas sangat diperlukan karena akan berpengaruh terhadap keputusan konsumen dalam memilih dan membeli. Penelitian ini bertujuan untuk mengetahui karakteristik polong yang digemari oleh para konsumen sehingga dapat diketahui galur-galur potensial yang dapat dikembangkan berdasarkan preferensi konsumen. Penelitian dilakukan pada bulan November 2017 hingga September 2018 dengan dua metode, yaitu percobaan lapang yang dilaksanakan di Desa Dadaprejo, Kecamatan Junrejo, Kota Batu, Malang, Jawa Timur dan survei pasar yang dilaksanakan di Kota Malang. Percobaan lapang dilakukan menggunakan Rancangan Acak Kelompok (RAK). Variabel pengamatan dibagi menjadi dua yaitu variabel kuantitatif yang terdiri dari panjang polong dan peningkatan kekerasan polong, serta variabel kualitatif yang terdiri dari bentuk, warna, rasa dan kekerasan polong. Hasil penelitian menunjukkan terdapat galur yang berpotensi untuk dikembangkan berdasarkan preferensi dari konsumen, galur tersebut adalah PTL 2.1. Galur lain galur tersebut, galur lain yang mendekati potensi serupa adalah galur UB 1.
The research objective was to select wheat genotypes that can adapt on the medium and low plains. Twenty-seven genotypes and three varieties of wheat were grown in four locations in the medium and low plains since June-October 2009. The experiments were arranged using a randomized complete block design repeated three times. Analysis of variance performed at each location followed by a test of homogeneity of error range, the combined analysis of variance and yields stability analysis. Genotype x environment interaction significantly affecting yield. Stable genotypes and widely adaptable across locations were G-1 (1.94 t.ha -1
Benih kadaluarsa menyebabkan menurunnya kualitas dan mutu benih. Salah satu upaya untuk mengoptimalkan mutu benih kadaluarsa adalah dengan perlakuan invigorasi menggunakan Zat Pengatur Tumbuh (ZPT) yang dapat diperoleh secara alami dari ekstrak bahan alami. Penelitian bertujuan mengetahui pengaruh jenis ZPT alami dan lama perendaman terhadap viabilitas, vigor dan pertumbuhan bibit pada benih cabai kadaluarsa. Penelitian dilaksanakan di Green house Lahan Percobaan Jatimulyo pada bulan Februari sampai Mei 2022. Metode penelitian menggunakan Rancangan Acak Lengakap (RAL) Faktorial. Faktor pertama yaitu jenis ekstrak bahan alami sebagai sumber ZPT alami dan faktor kedua yaitu lama perendaman yang berbeda. Hasil penelitian menunjukkan perlakuan jenis ZPT alami berpengaruh nyata baik itu terhadap uji viabilitas dan vigor benih dan pertumbuhan bibit. Perlakuan lama perendaman berpengaruh nyata terhadap uji viabilitas dan vigor benih, tinggi tanaman dan jumlah daun akan tetapi tidak berpengaruh terhadap panjang akar. Interaksi antara faktor 1 dan 2 berpengaruh tidak nyata terhadap variabel uji viabilitas dan vigor, jumlah daun dan panjang akar. Akan tetapi, pada variabel tinggi tanaman interaksi hanya ditemukan pada saat tanaman berumur 5 HST (Hari Setelah Tanam).
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.