The aim of the study was to screen the sorghum varieties (TNAU released sorghum varieties viz., K 12, CO 30 and local variety) for popping. The physico -chemical characteristics of the raw and popped sorghum varieties were analysed. To optimize the pretreatment for the preparation of popped sorghum different soaking solutions were selected and studied their effect on popping. The sorghum grains were popped by using continuous popping machine at a temperature of 230 °C for 2.5 min. The popping characteristics were analysed for sorghum varieties pretreated with different soaking solutions. From the physico -chemical and popping characteristics, it was concluded that the K 12 variety showed the maximum values.
Penyambungan (grafting) merupakan salah satu upaya untuk memperbaiki sifat tanaman menggunakan bahan klonal baik pada fase pembibitan, pemeliharaan maupun rehabilitasi. Keragaan sifat kopi Robusta dapat diperbaiki melalui penyambungan intraspesifik (Robusta/Robusta) untuk menghasilkan produktivitas yang lebih tinggi atau melalui penyambungan interspesifik (Arabika/Robusta) untuk menghasilkan kopi Arabika. Tujuan penelitian ini adalah untuk (1) mengetahui pertumbuhan dan produksi kopi grafting dibandingkan dengan kopi non-grafting dan (2) mengetahui pertumbuhan dan produksi kopi grafting Arabika interspesifik dibandingkan dengan Arabika non-grafting. Penelitian ini dilaksanakan di Desa Harapan Jaya, Kecamatan Way Ratai, Kabupaten Pesawaran, Lampung. Rancangan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan perlakuan enam sistem penyambungan dengan empat ulangan. Perlakuan pada penelitian ini yaitu: P1=Robusta non-grafting, P2= Arabika non-grafting, P3= grafting Robusta/Robusta metode tak-ent, P4= grafting Arabika/Robusta + cabang, P5= grafting Arabika orthrotrop/Robusta, P6= grafting Arabika plagiotrop/Robusta. Penelitian ini menggunakan jenis kopi Robusta klon lokal Mekarsari, sedangkan untuk jenis kopi Arabika menggunakan varietas Kartika. Data dianalisis menggunakan uji lanjut yaitu Uji Beda Nyata Terkecil (BNT). Hasil penelitian menunjukkan bahwa masing masing perlakuan berpengaruh nyata terhadap variabel jumlah cabang primer, jumlah cabang plagiotrop (B0, B1, dan B2), jumlah dompol bunga per cabang, jumlah dompol putik per cabang, jumlah dompol buah hijau per cabang, jumlah dompol buah merah per cabang, bobot buah segar per cabang, bobot biji kering per cabang, jumlah biji panen per cabang, dan produksi per pohon. Berdasarkan hasil penelitian ini disimpulkan bahwa: (1) pertumbuhan dan produksi tanaman kopi grafting lebih tinggi daripada tanaman non-grafting, (2) dari berbagai sistem penyambungan kopi Arabika grafting interspesifik, perlakuan Arabika plagiotrop/Robusta menghasilkan pertumbuhan yang sama tetapi memberikan produksi biji lebih tinggi dibandingkan dengan perlakuan Arabika lainnya.
The present research work was carried out during the year 2017-18 at College of Horticulture, Dr. Y.S.R Horticultural University, Venkataramannagudem, West Godavari district of Andhra Pradesh. The experiment consisted of 10 crossandra genotypes, laid out in randomized block design with three replications under open conditions. The observations were recorded on various parameters in which the genotype Arka Shravya exhibited superiority in parameters like plant spread (1407.53 cm 2 ), number of leaves (241.24), Fresh weight of plant (80.83 g), Dry weight of plant (20.21 g), flowering duration of spike (26.33 days), rachis length (12.77 cm) and flower yield per sq. meter (1448.01) whereas, Arka kanaka showed the more spike length (20.90 cm) and longevity of flowers on plants 4.33 days while, Arka Shreeya found to be largest in flower size (8.87 cm) as compared to check and other genotypes.
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