Growth and result performance of ten promising resistant lines to tungro disease in Lanrang, South Sulawesi
Elisurya Ibrahim, Nur Rosida, Khaerana, Muhammad Haiqal

Research Center for Food Crops, National Research and Innovation Agency (BRIN),

Abstract

Increased rice production is constrained by various limiting factors, one of which is tungro disease, which can reduce productivity. Resistant varieties of tungro when accessible are regarded as an efficient control technique and are more environmentally beneficial. Advance yield trial is one step in the process of developing varieties that are resistant to tungro disease. The study aimed to determine the growth and result performance of tungro-resistant lines that have greater phenotypic characteristics and yield potential than other tungro-resistant varieties. The research was conducted at Tungro Disease Research Station, Lanrang Sidrap from Juli - October 2018 using a Randomized Complete Block Design (RCBD), were ten tungro-resistant lines and check varieties i.e Inpari 7 Lanrang and Ciherang and it was repeated 3 times. Data were analyzed using the F test and tested for significance with the Least Significant Difference (BNT). The variable observed were flowering age of 50% (days), number of panicles per m2, plant height (cm), density score, the weight of 1000 grains, number of filled and unfilled grains per panicle, moisture content (%) and grain yield (kg/ha). The results showed that there were four lines BP12280-3f-7-Kn-2-1*B-Lrg-1-1-10-9, BP12280-3f-7-Kn-2-1 * B-Lrg-1- 1-10-9, BP12206f-8-3-2 * B-LR-20-4 and BP12280-3f-7-Kn-2-1 * B-Lrg-1-16-14 with grain yield higher than Ciherang and Inpari 7 Lanrang which were supported by 1000 grain weight, the number of filled grains per panicle and the flowering age is 50% earlier than the comparison variety.

Keywords: Growth and Result Performance, Rice, Resistant Promising Line, Tungro

Topic: Plant breeding and biotechnology