UTR-181: A Fine Grain, Long Duration, Blast Resistant Rice (Oryza sativa L.) Culture Suitable for Irrigated Ecology of Andhra Pradesh

Abstract

UTR-181 is a fine grain rice culture more suitable for irrigated ecology and being a long duration culture is further more appropriate for Single Cropped Areas of the Andhra Pradesh state. It is derived from a cross of NLR-34449/MTU-1010 through Pedigree method of breeding at A, Utukur, Kadapa. It recorded 10.1 % yield improvement over the check BPT-5204 and exhibited 21.2 % improvement over RGL 2537 in Station, Multilocation trials, minikit testing across the state of Andhra Pradesh. It has non-lodging nature, high yielding, nitrogen responsive, with medium green foliage, low shattering and exhibits complete exertion of panicle. It is also tolerant to leaf blast, neck blast in comparison with the popular check BPT-5204. This variety is having excellent cooking quality, intermediate amylose content and glycemic index. It also possesses essential grain characters like high head rice recovery (more than 65 %) with translucent grains to get premium market price.