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All Journal Jurnal Ilmu Pertanian Jurnal Produksi Tanaman jurnal Ilmu Pertanian (Agricultural Science)
Rachma, Izza Azkiya
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Agriculture, Biological Sciences & Forestry

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Hubungan antara Komponen Hasil dan Hasil pada Tanaman Jarak Kepyar (Ricinus communis L.) Generasi CT2 dan CT1(CT1) Rachma, Izza Azkiya; Waluyo, Budi; Soegianto, Andy
Jurnal Produksi Tanaman Vol 8, No 5 (2020)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/1408

Abstract

Jarak kepyar (Ricinus communis L.) merupakan tanaman yang berperan penting dalam industri minyak. Di Indonesia tanaman jarak kepyar memiliki tingkat produktivitas yang masih rendah dan cenderung mengalami penurunan. Sehingga diperlukan usaha peningkatan produksi, salah satunya dengan perakitan varietas unggul dalam kegiatan pemuliaan tanaman melalui seleksi. Untuk mengatasi permasalahan dalam menentukan pilihan karakter yang dianggap unggul maka perlu diketahui hubungan antara komponen hasil dan hasil pada tanaman jarak kepyar. Tujuan penelitian ini adalah untuk mengetahui karakter komponen hasil yang berkorelasi terhadap hasil pada setiap aksesi tanaman jarak kepyar dan perbedaannya dalam dua populasi, yaitu populasi CT2 dan CT1(CT1). Kegiatan penelitian ini dilaksanakan pada bulan Desember 2018 – April 2019 di Kebun Percobaan Jatimulyo, Fakultas Pertanian, Universitas Brawijaya, Kota Malang Jawa Timur dengan ketinggian ±460 mdpl. Percobaan dilakukan menggunakan metode pengamatan single plant dengan menanam 16 aksesi jarak kepyar generasi ke-3. Jumlah tanaman pada masing-masing aksesi sebanyak 20 tanaman. Hasil penelitian menunjukkan karakter jumlah buah dan jumlah biji berkorelasi positif signifikan terhadap hasil pada setiap aksesi tanaman jarak kepyar dengan koefisien korelasi yang berbeda-beda pada setiap aksesi dalam dua populasi tanaman jarak kepyar. Sehingga karakter jumlah buah dan biji dapat digunakan sebagai kriteria seleksi tanaman jarak kepyar pada setiap aksesi.
Effects of color shade-net on the growth and yield quality of garlic in the lowlands area Rachma, Izza Azkiya; Sulistyaningsih, Endang; Handayani, Valentina Dwi Suci
Jurnal Ilmu Pertanian Vol 10, No 1 (2025): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.98082

Abstract

Garlic is a bulbous plant that grows and produces superb bulb yields in environments with temperatures between 15−25°C and humidity levels of 60−70%. A challenge in garlic growing in lowland areas is the suboptimal bulb growth caused by elevated air temperatures (23−37°C). Through experimentation with the 'Lumbu Putih' variety, predominantly cultivated at low elevations in Gunung Kidul Regency, the use of shade nets is anticipated to modify the microclimate, hence establishing optimal circumstances for garlic plant development. This research specifically targeted to identify the shade net colors that can alter the microclimate to optimize the development, productivity, and quality of garlic production. The study was performed in Logandeng Village, Playen District, Gunung Kidul Regency, Yogyakarta Special Region, at an elevation of approximately 215 meters above sea level. The treatments were organized according to a randomized complete block design (RCBD) including three levels: open land as a control, white shade nets, and black shade nets. Each treatment level comprised five replications organized as blocks. The data collected was analysed by analysis of variance (ANOVA) and the least significant difference (LSD) test at a significance threshold of 5%. The findings indicated that the shade net treatment enhanced the leaf count, leaf surface area, plant development rate, and dry weight per plant. The black shade net treatment yielded a superior quantity of cloves and an increased bulb density relative to the white shade net. According to the findings of structural equation modeling (SEM) study, garlic production is directly controlled by the yield component of 96.2% and indirectly affected by the growth component of 88.3%. The yield and growth component factors that generate direct and positive contributions, as indicated by the Stepwise Multiple Regression analysis, include total root length, plant dry weight, bulb diameter, and clove count.
Effects of color shade-net on the growth and yield quality of garlic in the lowlands area Rachma, Izza Azkiya; Sulistyaningsih, Endang; Handayani, Valentina Dwi Suci
Jurnal Ilmu Pertanian Vol 10, No 1 (2025): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.98082

Abstract

Garlic is a bulbous plant that grows and produces superb bulb yields in environments with temperatures between 15−25°C and humidity levels of 60−70%. A challenge in garlic growing in lowland areas is the suboptimal bulb growth caused by elevated air temperatures (23−37°C). Through experimentation with the 'Lumbu Putih' variety, predominantly cultivated at low elevations in Gunung Kidul Regency, the use of shade nets is anticipated to modify the microclimate, hence establishing optimal circumstances for garlic plant development. This research specifically targeted to identify the shade net colors that can alter the microclimate to optimize the development, productivity, and quality of garlic production. The study was performed in Logandeng Village, Playen District, Gunung Kidul Regency, Yogyakarta Special Region, at an elevation of approximately 215 meters above sea level. The treatments were organized according to a randomized complete block design (RCBD) including three levels: open land as a control, white shade nets, and black shade nets. Each treatment level comprised five replications organized as blocks. The data collected was analysed by analysis of variance (ANOVA) and the least significant difference (LSD) test at a significance threshold of 5%. The findings indicated that the shade net treatment enhanced the leaf count, leaf surface area, plant development rate, and dry weight per plant. The black shade net treatment yielded a superior quantity of cloves and an increased bulb density relative to the white shade net. According to the findings of structural equation modeling (SEM) study, garlic production is directly controlled by the yield component of 96.2% and indirectly affected by the growth component of 88.3%. The yield and growth component factors that generate direct and positive contributions, as indicated by the Stepwise Multiple Regression analysis, include total root length, plant dry weight, bulb diameter, and clove count.
Hubungan antara Komponen Hasil dan Hasil pada Tanaman Jarak Kepyar (Ricinus communis L.) Generasi CT2 dan CT1(CT1) Rachma, Izza Azkiya; Waluyo, Budi; Soegianto, Andy
Produksi Tanaman Vol. 8 No. 5 (2020)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Jarak kepyar (Ricinus communis L.) merupakan tanaman yang berperan penting dalam industri minyak. Di Indonesia tanaman jarak kepyar memiliki tingkat produktivitas yang masih rendah dan cenderung mengalami penurunan. Sehingga diperlukan usaha peningkatan produksi, salah satunya dengan perakitan varietas unggul dalam kegiatan pemuliaan tanaman melalui seleksi. Untuk mengatasi permasalahan dalam menentukan pilihan karakter yang dianggap unggul maka perlu diketahui hubungan antara komponen hasil dan hasil pada tanaman jarak kepyar. Tujuan penelitian ini adalah untuk mengetahui karakter komponen hasil yang berkorelasi terhadap hasil pada setiap aksesi tanaman jarak kepyar dan perbedaannya dalam dua populasi, yaitu populasi CT2 dan CT1(CT1). Kegiatan penelitian ini dilaksanakan pada bulan Desember 2018 – April 2019 di Kebun Percobaan Jatimulyo, Fakultas Pertanian, Universitas Brawijaya, Kota Malang Jawa Timur dengan ketinggian ±460 mdpl. Percobaan dilakukan menggunakan metode pengamatan single plant dengan menanam 16 aksesi jarak kepyar generasi ke-3. Jumlah tanaman pada masing-masing aksesi sebanyak 20 tanaman. Hasil penelitian menunjukkan karakter jumlah buah dan jumlah biji berkorelasi positif signifikan terhadap hasil pada setiap aksesi tanaman jarak kepyar dengan koefisien korelasi yang berbeda-beda pada setiap aksesi dalam dua populasi tanaman jarak kepyar. Sehingga karakter jumlah buah dan biji dapat digunakan sebagai kriteria seleksi tanaman jarak kepyar pada setiap aksesi.
Co-Authors Andy Soegianto Budi Waluyo Budi Waluyo Endang Sulistyaningsih Valentina Dwi Suci Handayani