Laily Ilman Widuri, Laily Ilman
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POTRET BUDIDAYA PADI LEBAK OLEH PETANI LOKAL DI KECAMATAN PEMULUTAN, OGAN ILIR, SUMATERA SELATAN Lindiana, Lindiana; Lakitan, Benyamin; Herlinda, Siti; Kartika, Kartika; Widuri, Laily Ilman; Siaga, Erna; Meihana, Meihana
Jurnal Lahan Suboptimal: Journal of Suboptimal Lands Vol 5, No 2 (2016): JLSO
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (42.182 KB) | DOI: 10.33230/JLSO.5.2.2016.264

Abstract

Lindiana, et al. Rice Cultivation Images by Local Farmers in Pemulutan District, Ogan Ilir, South Sumatra. JLSO 5(2):153-158. Plans and efforts in increasing rice productivity at riparian wetlands can be commenced by introducing relevant technologies; however, the selected technologies should be based on real needs or problems faced by local farmers. As a pre-requisite, if the needs and problems are not comprehensively understood, government intervention to introduce new technology may not be effective since the technology may not be relevant or affordable to local farmers. Objectives of this research are to analyze characteristics of the wetlands, farmer?s adoption capacity, and technological preferences. The research was conducted in five villages at Pemulutan District. Qualitative Grounded Theory and Quantitative Survey were employed through dialogues with 100 local farmers.  Results of the research indicated that any effort to increase riparian wetland productivity should consider the unpredictability of flood occurrences and prolonged drought. These unfavorable conditions have limited local farmers to only grow rice once per year. Local farmers were almost solely depending on rice and cultivation of other crops were rarely observed, except limited vegetables grown on elevated border of paddy fields.
A SIMPLE PROTOCOL FOR SOMATIC EMBRYOGENESIS INDUCTION OF IN VITRO SUGARCANE ( Saccharum officinarum. L) BY 2,4-D AND BAP Widuri, Laily Ilman; Dewanti, Parawita; Sugiharto, Bambang
BIOVALENTIA: Biological Research Journal Vol 2, No 1 (2016)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/BIOV.2.1.2016.32

Abstract

Induction of in vitro sugarcane through somatic embryogenesis technique influenced by addition of plant growth regulator. The objective of this research was to determine appropriate formulation medium for indirect somatic embryogenesis induction on two potential sugarcane SUT Event 02 and PS 881. This research carried out in three steps, callus induction, callus proliferation, and shoot regeneration. Explants taken from basal of in vitro plantlet one month SUT Event 02 and PS 881 resulted from shoot regeneration previously. Five different medium formulas applied for callus induction and one formula for proliferation and shoot regeneration. Research using completely randomized design (CRD) factorial with five different formulation induction mediums. The result showed that the best respond of indirect somatic embryogenesis on SUT Event 02 and PS 881 was medium containing  3 mgL-1of  2,4-D.
Internal Versus Edge Row Comparison in Jajar Legowo 4:1 Rice Planting Pattern at Different Frequency of Fertilizer Applications Kartika, Kartika; Lakitan, Benyamin; Sanjaya, Nanda; Wijaya, Andi; Kadir, Sabaruddin; Kurnianingsih, Astuti; Widuri, Laily Ilman; Siaga, Erna; Meihana, Mei
AGRIVITA, Journal of Agricultural Science Vol 40, No 2 (2018): JUNE
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v40i0.1715

Abstract

Jajar legowo 4:1 cropping pattern has been adopted by rice farmers; however, there has been limited information on the comparison between internal and edge rows. In addition, the effects of timing and frequency of fertilizer applications on rice cultivated at riparian wetland also have to be understood. In this research, both single and split applications of fertilizer were employed. The single fertilizer applications were applied at 15 days after transplanting (DAT) (T1), 30 DAT (T2), 45 DAT (T3); and the split applications were 15+30 DAT (T4), 15+45 DAT (T5), 30+45 DAT (T6), and 15+30+45 DAT (T7). Results of this research indicated that crops in the edge rows produced higher leaf area index but those at internal rows produced higher dry weight biomass. Split fertilizer application to three times (T7) increased the weight of grains and number of filled spikelet but did not affect other shoot and root growth traits. Overall, fertilizer application increased leaf chlorophyll and nitrogen content. Jajar legowo 4:1 planting pattern and split fertilizer application to three times are recommended for increasing yield in rice cultivated at riparian wetlands.
Shoot and Root Growth in Common Bean (Phaseolus vulgaris L.) Exposed to Gradual Drought Stress Widuri, Laily Ilman; Lakitan, Benyamin; Sodikin, Erizal; Hasmeda, Mery; Meihana, Mei; Kartika, Kartika; Siaga, Erna
AGRIVITA, Journal of Agricultural Science Vol 40, No 3 (2018): OCTOBER
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v40i0.1716

Abstract

Drought condition during the dry season is a major constraint for intensifying agricultural activities at riparian wetlands in Indonesia, particularly for annual vegetables, including common bean (Phaseolus vulgaris L.). Besides inhibiting growth and reducing yield, drought also causes alteration of the shoot and root growth and development. The objective of this study was to evaluate responses of common bean to three durations of drought stress and the bean ability to recover after termination of the stress treatments. Gradual drought stress treatments were imposed by withholding all water sources to the treated plants. Three durations of drought stress imposed were 4, 8, and 12 days. The ability of the stress-treated plants to recover was evaluated at 7 days after termination of each treatment. The result of this study revealed that common bean was able to tolerate and recover from gradual water deficit for up to 8 days; however, prolonged water deficit for 12 days inhibited the growth of above-ground organs in common bean. Despite root regrowth during the recovery period, plants previously treated with 12 days of drought were unable to recover but those treated with shorter drought stress period were able to recover.
PERFORMANCE OF SOMATIC EMBRYOGENESIS DEVELOPMENT UNDER DIFFERENT 2,4-D AND COCONUT WATER CONCENTRATION IN SUGARCANE VAR. BULULAWANG Dewanti, Parawita; Maryam, Safira Arikha; Widuri, Laily Ilman; Okviandari, Purnama
BIOVALENTIA: Biological Research Journal Vol 6, No 1 (2020)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/BIOV.6.1.2020.155

Abstract

Mass propagation technology through somatic embryogenesis has become an alternative for producing sugarcane seedlings rapidly.Application of proper plant growth regulator and concentration contribute to support somatic embryogenesis development. This study applied the combination of liquid and solid culture during proliferation stage to promote cell dispersion of embryogenic callus, rapid  embryo somatic production, and improve regeneration potency of somatic embryo. Application of 2,4-D and coconut water during proliferation may expected as proper combination for accelerating somatic embryo development and regeneration.Development of somatic embryogenesis in sugarcane var. Bululawang during proliferation were described in this study. Embryogenic callusfrom induction media were transferred to proliferation media containing MS Basal + vitamin supplemented with sucrose different level of 2,4-D (1 mgl-1, 2 mgl-1, 3 mgl-1, 4 mgl-1 ) and coconut water (0% and 5%).Result showed that low concentration of 2,4-D induced optimum somatic embryogenesis development in proliferation and regeneration. Concentration of single 2,4-D 1 mgl-1 without coconut water  induced rapid development of scutelar and coleoptilarduring proliferation and resulted in better shoot regeneration. In other way, 4 mgl-1 of 2,4-D concentration  affected to inhibit scutelar and coloeptilar formed as the result of failure callus differentiation.