Analysis on major agronomic traits and development tendency of conventional japonica varieties in Zhejiang Province

›› 2012, Vol. 24 ›› Issue (2): 0-201.

• 作物科学 •

Analysis on major agronomic traits and development tendency of conventional japonica varieties in Zhejiang Province

SHI Jian-yao;YANG Chang-deng

1Zhejiang Seed Station, Hangzhou 310020, China; 2China National Rice Research Institute, Hangzhou 310006, China

Received:1900-01-01 Revised:1900-01-01 Online:2012-03-25 Published:2012-03-25

Abstract

Abstract:

In regional trial and production test, the changes and developments of yield, growth period and other agronomic traits associated with rice resistance of the conventional photosensitive japonica(glutinous) varieties registered by Zhejiang Province during 2000-2010 were analyzed in this paper. The results indicated that the effective panicle number per plant decreased while the number of grains per panicle increased in single season photosensitive japonica varieties. The number of grains per panicle increased more obviously in doubleseason photosensitive japonica rice varieties and the yield gradually increased. Overall, the breeding trend of photosensitive japonica varieties was to the development of large panicle. The resistance to bacterial leaf blight also increased．

Key words: rice, conventional varieties, yield, disease resistance, Zhejiang Province

SHI Jian-yao;YANG Chang-deng . Analysis on major agronomic traits and development tendency of conventional japonica varieties in Zhejiang Province[J]. , 2012, 24(2): 0-201.

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Analysis on major agronomic traits and development tendency of conventional japonica varieties in Zhejiang Province

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