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All Journal HAYATI Journal of Biosciences Jurnal AGROTEKNOLOGI Microbiology Indonesia Journal of Tropical Soils SIMBIOSIS Jurnal Sains Teknologi dan Lingkungan (JSTL) CROP AGRO, Scientific Journal of Agronomy Jurnal SIAR ILMUWAN TANI
Mohamad Taufik Fauzi
Fakultas Pertanian Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Environmental Science Immunology & microbiology Medicine & Pharmacology Public Health

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Journal : Jurnal Sains Teknologi dan Lingkungan (JSTL)

 1 
Karakter Habitus dan Viabilitas Biji Tanaman Biduri (Calotropis gigantea) Aksesi Lombok Tengah Bagian Selatan Yuliani Ahmad; M. Taufik Fauzi; Bambang Budi Santoso
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 7 No. 1 (2021): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v7i1.238

Abstract

This study aims to describe the morphological character and seed growth potential of biduri (Calotropis gigantea) accession growing in the tourist area of South Central Lombok (Kuta Mandalika, Tanjung Aan, and Seger), and was carried out during February-August 2020. The method used was descriptive observative with survey techniques and sampling by purposive sampling based on the population of biduri. The seed growth experiment used a completely randomized design in a greenhouse consisting of two factors, namely the type of substrate and accession, which was repeated three times, so that there were 18 experimental units. The results shows that the Kuta Mandalika Biduri accession was showed superiority in the number of fruit characters per panicle. Tanjung Aan accessions excel in branching characters (primary and secondary branches), number of panicles per tree, number of flowers per panicle, number of fruits per tree and fruit size. Meanwhile, Seger accessions were superior in terms of plant height, seed size and weight of 100 seeds. There were no character differences in seed viability of the three accessions. The closest genetic-relationship occurs in the Kuta Mandalika accession of plot 2 sample 2 with the Kuta Mandalika accession of plot 3 sample 1 marked with a coefficient value of 1.00. Meanwhile, the furthest relationship was found in the Kuta Mandalika accession of plot 1 sample 1 with Tanjung Aan accession of plot 2 sample 2 marked with a coefficient value of 33.932. 
Periode Kritis Jagung Manis Berkompetisi dengan Gulma Pada Entosil Lombok Tengah I Ketut Ngawit; M Taufik Fauzi
JURNAL SAINS TEKNOLOGI & LINGKUNGAN 2021: Special Issue, Oktober 2021
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v0i0.248

Abstract

Weeds are not always detrimental to plants, because there is a period of time when they are most influential on plant growth and yield and a period of time when weeds are present is called critical piriode. A research aimed to determine the critical period of sweet corn with weeds in Central Lombok entisoles. The experimental research method with experiments in the field used a randomized block design (RBD), which consisted of 12 treatments, weed-free plants (TBG) from planting to age, 10;20;30;40;50 and 60 days and the plants were allowed to roll (TG). since planting until the age of 10;20; 30; 40;50 and 60 days. The results showed that the presence of tolerable weeds on sweet corn plants was only until the age of 30 days after planting. Weeds must be weeded after the plants are between 30-40 days old, if done after the plants are 40 days old, the crop yields cannot be saved. The critical period for sweet corn competing with weeds on the Lombok Tengan entisol is in the age range between 30-40 days after planting. Plants that compete with weeds for 40, 50, and 60 days after planting (until harvest) experience a decrease in yield of 60.32%, 82.84% and 98.66%. Meanwhile, plants that did not compete (weed free) for only 10, 20 and 30 days experienced a decrease in yield of 98.61%, 80.16% and 61.40%. 
Co-Authors Bambang Budi Santoso Bambang Supeno Hery Haryanto I Ketut Ngawit I Made Sudantha Murdan . Ni Made Laksmi Ernawati Sukartono Tarmizi Wahyu Astiko WAWAN APZANI Yuliani Ahmad Zurriyatun Solihah