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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA AGRARIS: Journal of Agribusiness and Rural Development Research
Setyorini Widyayanti, Setyorini
Balai Pengkajian Teknologi Pertanian Yogyakarta Jln. Rajawali No 28 Demangan Baru Yogyakarta Telp. (02740 884662, Fax. (0274) 4477052
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Immunology & microbiology Social Sciences Veterinary

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Identification of bird pests on several sorghum genotypes during the rainy season, in Gunung Kidul, Indonesia Mugiasih, Ani; Suwitono, Bayu; Gunawan, Achmad; Widyayanti, Setyorini; Muazam, Arif
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 25 No. 2 (2025): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA: JOURNAL OF TROPICAL PLAN
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.225208-217

Abstract

Birds are among the most significant vertebrate pests affecting sorghum crops worldwide, particularly in community farming systems. Their attacks can lead to substantial yield losses, especially during the grain ripening stage. This study aimed to identify the species, number of individuals, attack frequency, extent of crop damage, and control efforts related to bird pests in sorghum cultivation. The research was conducted from December 2022 to February 2023 in Karangmojo Village, Gunungkidul Regency, Yogyakarta, Indonesia. Six sorghum genotypes were planted: bioguma (V1), plonco (V3), samurai (V4), kawali (V6), hitam wareng (V8), and ketan merah (V9). However, observations were focused on bioguma and plonco, which experienced the most bird attacks. Three seed-eating bird species were identified: Geopelia striata (kutut, 156 individuals), Lonchura leucogastroides (bondol jawa or emprit, 375 individuals), and Spilopelia chinensis (derkuku or tekukur, 329 individuals). The peak bird activity occurred in the morning, with 47 attack events recorded in bioguma and 35 in plonco. The average crop damage reached 1.26% in bioguma and 1.24% in plonco, resulting in estimated yield losses of Rp. 922,140.00 and Rp. 750,360.00 per ha, respectively. Control measures employed by farmers included the use of perforated plastic hoods and safety nets, though their effectiveness was limited.
Sorghum Development in Indonesia: Market Efficiency and Partnership Model Approach Widodo, Sugeng; Sulistyawati Purwaning Rahayu, Heni; Laksono, Pandu; Fahmi, Diah Arina; Triastono, Joko; Sahara, Dewi; Kristamtini; Sutardi; Budi Pustika, Arlyna; Widyayanti, Setyorini; Muazam, Arif; Purwaningsih, Heni
AGRARIS: Journal of Agribusiness and Rural Development Research Vol. 11 No. 1: January-June 2025
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/agraris.v11i1.441

Abstract

Sorghum is a drought-tolerant crop that can contribute to Indonesia’s food security and income generation. However, this potential often fails to improve farmers’ income and welfare unless accompanied by economic feasibility, particularly in marketing practices. This study examined market efficiency and partnership models in sorghum development in Daerah Istimewa Yogyakarta and Central Java Provinces. The research analyzed the marketing cost, marketing margin, farmers’ share, and partnership cultivation models of the sorghum. The data were collected through surveys, interviews, and observations to 120 sorghum farmers and 60 traders. The study utilized descriptive statistics, ANOVA to compare farmers’ share in the different marketing channels, and the Analytic Hierarchy Process (AHP) to select the partnership models. The results unveiled Channel II which consisting of farmers, village collector traders, traders outside the city or regency, and national companies, produced the highest marketing margin. Meanwhile, Channel III, comprising farmers, village collector traders, and the local feed industry, generated the highest farmers’ share. The study revealed that sole proprietorship partnerships were the farmers' dominant choice in the sorghum business. Nevertheless, the partnership model with feed industry had also formed in the research area.
PROXIMATE, TANNIN, AND AMYLOSE IN SIX SORGHUM VARIETIES ACROSS TWO PLANTING SEASONS Muazam, Arif; Kristamtini, Kristamtini; Widyayanti, Setyorini; Nugraha, Yudhistira; Kasiamdari, Rina Sri; Setiadi Daryono, Budi
BIOTROPIA Vol. 32 No. 2 (2025): BIOTROPIA Vol. 32 No. 2 August 2025
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2025.32.2.2461

Abstract

ARTICLE HIGLIGHTS- Sorghum nutrition varies across varieties and growing seasons- Dry season increases starch and amylose content in some varieties- Rainy season enhances protein levels in sorghum grains- Genotype-environment interaction affects sorghum nutritional quality- Sorghum adaptation supports food diversification and climate resilienceABSTRACTSorghum (Sorghum bicolor (L.) Moench) is a potential staple food in Indonesia, offering an alternative to rice and corn due to its adaptability to marginal lands and drought tolerance. However, research on the impact of environmental factors, particularly different growing seasons, to the nutritional composition of sorghum varieties are still lacking. This study aimed to analyze the proximate contents of tannin and amylose in six sorghum varieties cultivated in two different planting seasons (wet and dry seasons). A Completely Randomized Design with three replications was applied in this experiment. The tested varieties included three newly developed superior varieties (Bioguma, Samurai, and Kawali) and three local varieties (Black Bonteb, Red Glutinous Sorghum, and KD4). The results showed that proximate composition varied across varieties and seasons. Starch content was generally higher in the dry season, with the highest observed in Kawali (64.16%) and Bioguma (63.11%), while the lowest was in Black Wareng (11.99%). Similarly, protein content peaked in Black Wareng (7.68%) and Red Glutinous Sorghum (7.37%), but was the lowest in Samurai (4.48%). Tannin levels also fluctuated by season, where Bioguma, KD4, and Kawali exhibited higher tannin content in the dry season, whereas Samurai, Red Glutinous Sorghum, and Black Bonteb had lower tannin levels. Notably, amylose content was significantly higher in Red Glutinous Sorghum (4.72%) and Black Bonteb (4.62%) across both seasons, contributing to their fluffier texture when cooked. These findings highlight the influence of environmental conditions on sorghum nutritional quality, reinforcing its potential for food diversification, including processed sorghum flour as a substitute for wheat flour.
Co-Authors Budi Pustika, Arlyna BUDI SETIADI DARYONO DEWI SAHARA Fahmi, Diah Arina Gunawan, Achmad Heni Purwaningsih Joko Triastono, Joko Kristamtini Kristamtini Kristamtini, Kristamtini Muazam, Arif Mugiasih, Ani Pandu Laksono, Pandu Rina Sri Kasiamdari Sugeng Widodo Sulistyawati Purwaning Rahayu, Heni Sutardi Suwitono, Bayu Yudhistira Nugraha