Selection of High Yield Late Indica-Japonica Hybrid Rice in Double-Cropping Rice in the Central Area of Jiangxi Province

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Online published: 2015-07-20

Abstract

 The differences of yield, plant type and rice quality of 20 medium-maturing late-japonica varieties and 14 late-maturing late-japonica varieties, were studied in double-cropping rice areas (Shanggao of Jiangxi) compared to 5 representative local indica hybrid rice (CK). The results showed that the yields of medium-maturing late-japonica and late-maturing late-japonica were increased by 16.93% and 13.10% compared with indica hybrid rice. All of these two types japonica rice were safety maturity, and the total growth periods were significantly longer than CK. It can make good use of temperature and light, and gain higher grain yields and good rice quality by using japonica rice in Shanggao area. To adapt the stubbles feature of double-cropping rice and heat conditions as well as the requirement of mechanized and simplified cultivation, 5 medium-maturing late-japonica varieties and 3 late-maturing late-japonica varieties were selected in order to provide reference for rice production in sense area.

Cite this article

ZHOU Nian-Bing-1, CHENG Fei-Hu-2, CHEN Bo-1, SHU Peng-1, ZHANG Hong-Cheng-1*, HUA Jin-1, HUO Zhong-Yang-1, HUANG Da-Shan-2, CHEN Zhong-Ping-2, CHEN Guo-Liang-3, CHEN Heng-3 . Selection of High Yield Late Indica-Japonica Hybrid Rice in Double-Cropping Rice in the Central Area of Jiangxi Province[J]. China Rice, 2015 , 21(4) : 103 -107 . DOI: 10.3969/j.issn.1006-8082.2015.04.023

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