Herliana, O. • dkk. : Pengaruh jenis media tanam dan aplikasi pupuk hayati mikoriza terhadap pertumbuhan, pembungaan dan infeksi mikoriza pada tanaman anggrek Dendrobium sp. Herliana, O. • E. Rokhminarsi • S. Mardini • M. JannahPengaruh jenis media tanam dan aplikasi pupuk hayati mikoriza terhadap pertumbuhan, pembungaan dan infeksi mikoriza pada tanaman anggrek Dendrobium sp.Abstract. Dendrobium is one of potential flower to cultivate because have valuable prices. The research aimed to find out the best growing media, the best dosage of mycorrhizal biofertilizer for growth and flowering of Dendrobium, and the best combination type of growing media and mycorrhizal biofertilizer. The Research conducted at Screen house of Datar Village, Sumbang Subdistrict, Banyumas Regency from May to November 2017 and the design was using Randomized Block Design (RBD) method with 2 factors and 3 replications: (1) Growing media with 3 treatment types; wood charcoal, fern (Cyathea contaminans), kadaka root (Asplenium nidus), and (2) dosage of mycorrhizal biofertilizer with 3 levels; without mycorrhizal, 10 g plant -1 (20 spores), 20 g plant -1 (40 spores). The results showed that kadaka root the best of growing media for variables of the number of leaves and the number of buds for each 5,63 leaves and 1,37 buds, as well as the percentage of mycorrhizal infections by 54,44%. Result also showed that the best dosage of mycorrhizal biofertilizer is 10 g plant -1 for variables of the number of root and the percentage of mycorrhizal infections for each 20,78 roots and 64,44%. The highest number of flowers per stalk was obtained on the combination of growing media using fern (Cyathea contaminans) without mycorrhizal biofertilizer by 8 flowers.
ABSTRAK: Lahan tegalan di Desa Patemon belum dimanfaatkan optimal. Sebagian warga membudidayakan pepaya calina di lahan tegalan namun tingkat produksi buah pepaya yang dihasilkan masih rendah. Keterbatasan bibit pepaya unggul dan penerapan teknologi budidaya yang kurang optimal menjadi penyebab utama. Kegiatan ini bertujuan untuk menerapkan teknologi budidaya pepaya calina menggunakan bibit unggul dan sistem pertanaman intensif di Desa Patemon, Kecamatan Bojongsari, Kabupaten Purbalingga, Provinsi Jawa Tengah. Kegiatan ini melibatkan khalayak sasaran, yaitu Kelompok Tani “Warakan”. Metode yang digunakan adalah 1). Kegiatan transfer pengetahuan dan teknologi mengenai budidaya pepaya calina menggunakan bibit unggul dan sistem pertanaman intensif, 2). Pembuatan demonstrasi dan plot (demplot) pepaya seluas 1400 m2, dan 3). Pelatihan pembuatan pestisida nabati. Hasil yang diperoleh: 1). Petani mendapatkan pengetahuan dan pengalaman budidaya pepaya calina menggunakan bibit unggul dan sistem pertanaman intensif , 2). Demplot budidaya 200 bibit pepaya calina seluas 1400 m2 sebagai percontohan bagi para petani, 3). Petani mendapat pengetahuan dan keterampilan membuat pestisida nabati untuk mengendalikan hama tanaman pepaya, 4). Tanaman pepaya yang dibudidayakan berbunga dan berbuah lebih cepat, serta memiliki tinggi lebih pendek dibanding tanaman pepaya yang sudah dibudidayakan petani sebelumnya.Kata kunci: Pepaya calina, Kelompok Tani Warakan, Desa Patemon ABSTRACT: Tegalan land in Patemon Village has not been optimally utilized. Some residents cultivated papaya in Tegalan land but the production rate of papaya fruit is lower than target. This activity is aimed to apply calina papaya cultivation technology using superior seed and intensive cultivation system in Patemon Village, Bojongsari District, Purbalingga Regency, Central Java Province. This activity involves the target audience, the "Warakan" Farmer Group. The method used 1). Transfer of knowledge and technology on papaya cultivation using superior seed and intensive cultivation system, 2). Demonstration and plot (demplot) of papaya on 1400 m2 tegalan land, and 3). Biopesticide formulation training. Results obtained: 1). Farmers gained knowledge and experience of papaya cultivation using superior seeds and intensive cultivation system, 2). Cultivation of 200 papaya on 1400 m2 tegalan land as a model for farmers, 3). Farmers gained knowledge and skills to make plant-based pesticides to control papaya pests, 4). flowering and fruiting of cultivated papaya faster, and have a shorter height than papaya have been cultivated farmers before. Keywords: Calina papaya, Warakan, Patemon village
This study aimed to determine the effect of biochar and Trichoderma harzianum toward lead removal in soil, lead absorption, lead content in plant tissue also growth and yield of shallot cultivated on lead-contaminated soil. The experimental design used was a completely factorial randomized block design consisting of 2 factors. The first factor was corn cobs biochar which was applied 1 week after basic fertilizer treatment and consisted of 4 levels, namely B0: without biochar, B1: 2.5 t ha-1, B2: 5 t ha-1, and B3: 10 t ha-1. The second factor was the dosage of liquid of Trichoderma harzianum, namely TR0: without T.harzianum, TR1: 10 mL L-1, and TR2: 20 mL L-1, which was applied three times at 14, 28 and 42 days after planting. Data were analyzed using the F test and continued with DMRT (Duncan Multiple Range Test) at P= 0.05 level. The results showed that the application of 5 t biochar ha-1 was able to remove lead and decreased lead uptake in plants. Application of T. harzianum could remove and decrease absorption in plant tissue biochar was not able to increase the growth of shallot while T. harzianum increased the number of leaves and the number of tubers.
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