This study aims to determine the effect of giving chicken manure and the right dose in increasing the vegetative growth of maize (Zea mays. L). This research was conducted in March – June 2022 in Sidenreng Rappang Regency using a Randomized Block Design (RAK) with 4 treatments which were repeated 5 times, each replication consisted of 3 sample plants so there were 60 plant units, while the treatments used were N0 : No treatment / no fertilizer, N1: 50 grams of chicken manure, N2: 100 grams of chicken manure, and N3: 150 grams of chicken manure. From the results of the variance of chicken manure giving no significant effect on the vegetative growth of corn plants. There were vegetative growth results that gave the best response with N2 treatment of 100 grams of chicken manure showing plant height = 73.09 cm, stem diameter = 1.14 cm and number of leaves = 7.3 strands.
Tanaman anggrek merupakan tanaman hias yang memiliki variasi bentuk, warna, dan ukuran dengan ciri-ciri yang unik sehingga menjadi daya tarik tersendiri bagi pecinta tanaman hias. Peningkatan pertumbuhan tanaman anggrek dapat dilakukan dengan pengaplikasian zat pengatur tumbuh (ZPT) auksin yang berperan dalam proses pemanjangan sel. Penelitian ini dilaksanakan pada bulan April-Juni 2021 di Jl. Akasia Kelurahan Balandai Kecamatan Bara Kota Palopo. Penelitian mengunakan rancangan acak kelompok (RAK) dengan perlakuan 4 dan 3 ulangan sehingga terdapat 12 unit percobaan. Perlakuan terdiri atas (N0) control, (N1) 200 mg/L, (N2) 250 mg/L dan (N3) 300 mg/L. Hasil penelitian menunjukkan bahwa ZPT auksin tidak berpengaruh nyata terhadap pertumbuhan tanaman anggrek vanda. Perlakuan konsentrasi auksin 300 mg/L mampu meningkatkan tinggi, jumlah dan lebar daun anggrek vanda.
Water spinach (Ipomoea aquatica Forsk.) has the ability to accumulate pollutants so that it can be useful for wastewater treatment processes. The purpose of this study was to determine the phytoremediation technique in hospital wastewater using kale in improving the quality of hospital wastewater and to determine the level of accumulation of Pb and Cr metals in plants. The study used a completely randomized design with four treatments, namely treatment 0 days (without treatment), 2 days, 4 days and 6 days. Parameters include the physical and chemical quality of the waste as well as the content of Pb and Cr in the waste and plants. To determine the effect of phytoremediation on the quality of household waste and metal content, ANOVA analysis and further testing with the BNT test level of 5% were used. Phytoremediation with kale was able to reduce the temperature of the waste on the 4th day of treatment and dissolved oxygen on the 4th treatment and increase the pH. The accumulation of Pb and Cr on each day is different. The highest accumulation of Pb and Cr occurred on day 6, namely 0.1587 mg/L for Pb metal and 0.2167 mg/L for Cr metal. Kale plants are very possible to be used in the phytoremediation process.
<p>Pertanaman pepaya di Kabupaten Toraja Utara, Kabupaten Gowa Sulawesi Selatan dan Kabupaten Mamasa Sulawesi Barat menunjukkan gejala mosaik yang berat pada bagian daun. Penelitian ini bertujuan untuk mengetahui kisaran inang virus penyebab penyakit mosaik pada tanaman papaya berdasarkan gejala penyakit. Dalam penelitian ini menggunakan sampel daun tanaman pepaya yang bergejala mosaik dan variasi gejala lainnya dikumpulan dari beberapa tempat pertanaman pepaya di Kabupaten di Sulawesi Selatan dan Sulawesi Barat. Propagasi virus pada tanaman dilakukan dengan melakukan metode <em>sap-inoculation.</em> Keberadaan penyakit mosaik dan tanaman sakit dideteksi dengan kajian biologi yakni pengujian pada tanaman inang indikator. Hasil pengujian respon tanaman indikator terhadap 25 isolat virus mosaik secara mekanik memperlihatkan 19 isolat virus yang dapat menginfeksi kelima tanaman indikator dengan persentase penularan dan lama periode inkubasi virus berbeda-beda.</p><p> </p><p>Kata Kunci : pepaya, virus mosaik, kisaran inang</p>
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