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All Journal Al-Manahij: Jurnal Kajian Hukum Islam Akta Agrosia Jurnal Borneo Saintek International Journal of Asian Education Dharma: Jurnal Pengabdian Masyarakat
Masdar Masdar
Universitas Bengkulu
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Journal : Akta Agrosia

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Responses of six tomato (Lycopersicon esculentum Mill.) genotypes to salinity stress at low altitudes of Bengkulu, Indonesia Suharjo, Usman KJ; Nababan, Sartika Y; Masdar, Masdar; Pamekas, Tunjung; Mukhtasar, Mukhtasar
Akta Agrosia Vol 21 No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Salinity stress causing water deficit, nutrient deficiency, and ion imbalance for the crops has been reported to reduced crop growth, crop yield, and fruit quality in tomatoes. The main objective of this research were to determine the LC-50 of salinity, to evalute the response of six tomato genotypes to LC-50, and to study the effect of genotype and salinity stress on crop growth, crop yield, and fruit quality of tomatoes. The LC-50 of salinity was determinated by growing tomato seedlings at different level of saline solutions (0, 400, 500, 6000, 7000, 9000, 10000, 11000, and 12000 ppm of NaCl) and used the LC-50 of salinity to evaluate the salinity tolerance of six tomato genotypes. The results showed that the LC-50 of saline solution was 9000 ppm NaCl and genotype Empat G was found to be the most tolerant to salinity stress
Agronomic Performances of Rice Lines on Non-Tidal Swampland Chozin, Mohammad; Silalahi, Sarina; Masdar, Masdar; Sumardi, Sumardi
Akta Agrosia Vol 22 No 1 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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A successful rice production on swampland would require a planting material from high yielding varieties adaptated  to the swampy ecosystem. This study was carried out to compare the growth and yield characteristics of five rice lines and a check variety as grown on non-tidal swampland. The lines were F4 generation of bulk selection from the crosses involving Bengkulu swamp rice landraces (Hanafi Putih, Tigo-tigo, Harum Curup, and Lubuk Durian) and high yielding varieties for the irrigated field (Sidenuk and Bestari). The trial was conducted on a shallow non-tidal swampland with stagnant inundation no more than 50 cm in depth often occurred during the plant life cycle.  The lines and the check variety (Inpara 4) were arranged in a randomized complete block design with three replications. Observations were made for the agronomic performances of the plant, including plant height, total tiller number clump-1, effective tiller number clump-1, heading date, maturity date, panicle length, grain number panicle-1, 100-grain weight, and grain yield clump-1. Significant variation among the genotypes was found for all observed traits. On average, the evaluated lines showed comparable growth and yield performances to the check variety.  Tigo-tigo × Bestari was the tallest line and potential for medium depth swampland.  This line showed good overall agronomic performances and yielded relatively higher than the check variety, but delayed in attaining maturity. For shallow swampland, Hanafi Putih x Sidenuk exhibited the most potent line by having good overall agronomic and yield performances, except late in maturity.  For early maturing line, Lubuk Durian x Hanafi Putih showed its potential for shallow swampland. Although this line was not the best,  it showed better overall agronomic performances than the check variety. Keywords: F4 lines,  growth and yield performance, rice landrace, swampland, plant maturity
Co-Authors Helmi Kamal, Helmi Kholid, Kholid Mohammad Chozin, Mohammad Mudarris, Mudarris Mukhtasar, Mukhtasar Nababan, Sartika Y Nurdin K, Nurdin Silalahi, Sarina Siti Qomariah, Siti Suharjo, Usman KJ Sumardi . Tunjung Pamekas, Tunjung Yunita Yunita