A study was conducted to determine the response of several varieties of large chilli (Capsicum annuum L.) to Trichoderma enrichment on planting media and Boron fertilizer applications. The study was conducted from June to September 2017 at the Experimental Garden of the Faculty of Agriculture, Hasanuddin University, Makassar in the form of factorial Split Plot Design with 2 factors. Experiments were set with large chili varieties as the main plot consisting of var. Karina, var. Tombak, and var. Panex 100 F1, while the combination of Trichoderma enrichment and Boron fertilizer was set as subplots consist of 6 treatment combinations. The results show that there was a significant interaction between the treatment of varieties and Trichoderma-Boron on plant height parameter and there was a significant effect of the varieties treatment on the number of productive branches and the number of fruits per plant. In addition, significant effect of the Trichoderma-Boron treatment was shown in the parameters of fruit length per plant 100 HST. The interaction that gave the best results was in the treatment of Trichoderma asperellum 4 g plant-1 and Panex 100 F1 varieties on plant height of 47.77 cm. The treatment of varieties that gave the best results was Karina variety and the combination treatment of Trichoderma-Boron that gave the best results was the treatment of Trichoderma asperellum 4 g plant-1 + Boron 1 mg L-1 .
Penelitian bertujuan mendapatkan data dan informasi morfofisiologi kejadian gugur bunga dan buah (fruit-drop) pada tanaman cabai terhadap pemberian zat pengatur tumbuh (ZPT) auksin (IAA dan IBA) dan GA3. Penelitian disusun berdasarkan Rancangan Petak Terpisah dalam rancangan acak kelompok dengan 3 ulangan. Petak utama adalah 3 jenis ZPT yaitu IAA, IBA, dan GA3. Anak petak yaitu konsentrasi perlakuan yang terdiri dari 5 taraf (ppm) yaitu 0, 25, 50, 75, dan 100 ppm. Data yang diperoleh dianalis menggunakan software STAR dan jika terdapat beda nyata diuji lanjut dengan Beda Nyata Terkecil (BNT) pada taraf 5%. Hasil penelitian menunjukkan bahwa perlakuan IAA, IBA, dan GA3 serta konsentrasi perlakuannya tidak berpengaruh nyata terhadap jumlah bunga tinggal maupun bunga gugur pada tanaman cabai besar. Namun, hasil penelitian menemukan bahwa perlakuan ZPT menghasilkan jumlah bunga tinggal yang lebih banyak dibandingkan bunga gugur. Pemberian IAA 25 ppm menghasilkan jumlah buah tinggal tertinggi dibandingkan konsentrasi IAA lainnya. Peningkatan konsentrasi GA3 cenderung meningkatkan jumlah buah tinggal dan tertinggi pada konsentrasi GA3 100 ppm. Interaksi antara jenis ZPT dan konsentrasi pemberiannya berpengaruh nyata terhadap bobot per buah. Perlakuan GA3 100 ppm menghasilkan bobot per buah tertinggi. Peningkatan konsentrasi auksin cenderung menurunkan bobot per buah. Pemberian IBA 100 ppm menurunkan panjang buah cabai besar.
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