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All Journal Jurnal Penelitian Karet International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET)
Murni Sari Rahayu
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Education

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BREAKING SEED DORMANCY USING CHEMICAL, PHYSICAL, AND ORGANIC SCARIFICATION METHODS ON THE GROWTH OF AREN SEEDS (Arenga pinnata Merr.) Hetty Lisma Evianti Manurung; Rahmad Setia Budi; Murni Sari Rahayu
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 4 No. 9 (2025): AUGUST
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v4i9.988

Abstract

Prolonged seed dormancy is an obstacle in the provision of quality seedlings. Therefore, this study was conducted to accelerate the germination process of Arenga pinnata Merr. seeds through various treatments. This study aims to evaluate the response of chemical, physical, and organic dormancy breaking on the growth and development of Arenga pinnata Merr. seeds. The method used was a Non-Factorial Complete Randomized Design with seven treatments: seed soaking in 3% H₂SO₄ solution (6 hours), 0.5% KNO₃ (24 hours), 3% HCl (6 hours), sanding (sandpaper), 100% red onion extract (24 hours), 100% palm sap (24 hours), and 100% coconut water (24 hours). The results showed that seed soaking in 3% HCl or sandpaper abrasion yielded the best results in terms of germination rate, although there was no statistically significant effect; these treatments also successfully reduced the dormancy period of palm seeds. Additionally, soaking with 100% palm sap produced the tallest plants at 8 MST and 12 MST. This study is expected to provide useful information for the development of more efficient and practical palm seedling propagation technology.
INFLUENCE OF RAINFALL ON DOWNY MILDEW INTENSITY, PRODUCTIVITY, AND SYMPTOMS OF Peronosclerospora spp. ATTACK IN MAIZE CROPS IN SIMALUNGUN REGENCY Murni Radiah; Syamsafitri; Murni Sari Rahayu; Romi Fahri
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 4 No. 8 (2025): JULY
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v4i8.869

Abstract

Maize is one of the world's food crops, and Simalungun Regency is one of the corn production centers in Indonesia. Corn production in Simalungun Regency has decreased due to various factors including downy mildew. Downy mildew disease is caused by Peronosclerospora spp. its development is increasingly rapid supported by a high humidity environment, while the purpose of the study was to examine the effect of rainfall on downy mildew disease intensity, productivity, production, and symptoms of corn plant attack in different locations.Research method: Observations of correlation and regression tests of rainfall on disease intensity, productivity, production, and harvest area of corn were analyzed using Minitab statistical application.The results showed that there is a relationship between rainfall and downy mildew intensity, production, productivity, and harvest area of corn plants. The intensity of downy mildew was highest in Tanah Jawa sub-district with an average disease intensity of 7.81%, this was due to the fact that no eradication was done on plants infected with Peronosclerospora spp. The symptoms of attack found at each observation location had the same symptoms.
CHANGES IN RAINFALL ON PLANTING AREA AND OIL PALM PRODUCTION IN THE HIGHLANDS OF DELI SERDANG DISTRICT, NORTH SUMATRA Sumarno; Yenni Asbur; Murni Sari Rahayu
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 5 No. 1 (2025): DECEMBER - ON PROGRESS
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v5i1.1313

Abstract

The research was conducted from February to April 2024 in Deli Serdang Regency, North Sumatra Province. Rainfall is a very important climatic factor in influencing crop growth and production, including oil palm. The purpose of this study was to examine how rainfall affects the planting area and production of oil palm in the highlands of North Sumatra. The study used secondary data in the form of information on planting area and production in Deli Serdang Regency during 2019-2023, obtained from the Deli Serdang Regency Agriculture Office and the Food Security and Horticulture Office, as well as the Meteorology, Climatology and Geophysics Agency in Deli Serdang, North Sumatra. The results showed that there was a negative correlation between rainfall and oil palm planting area and production, with values of -0.599 and -0.645, respectively. This means that there is a moderate negative relationship between rainfall and oil palm planting area and production, where higher rainfall results in lower oil palm planting area and production, although this is not statistically significant.
Co-Authors Dedi Kusbiantoro Henny Pratiwi Hetty Lisma Evianti Manurung Khairunisyah Nasution Mhd. Ilham Riyadh Murni Radiah Rahmad Setia Budi Rahmi Dwi Handayani Rambe Romi Fahri Sumarno Surya Dharma Susan Novrini Syamsafitri Yayuk Purwaningrum Yeni Asbur Yenni Asbur