Y两优1号特征特性及作再生稻高产栽培技术

Characteristics and high-yielding cultivation techniques of ratoon rice Y liangyou No.1

Y两优1号作再生稻栽培表现高产稳产,分蘖力强。作再生稻栽培要从头季抓起,主要措施:适时早播,培育壮苗;适时移栽,插足苗数;合理施肥,科学管理;科学管水,两次烤田;加强测报,防治病虫害;施足芽肥,培育壮苗;适时收割,巧留稻桩。并总结其再生季水肥管理要点。

Rice cultivar Y liangyou No. 1 showed high and stable yield and strong tiUering ability when using it as the ratoon rice cuhivar. The priority of ratoon rice cultivation is cropping the first season rice well. The main measures are as follows： early sowing in good time and breeding strong seedlings, timely transplanting seedlings with enough number, reasonable ferti- lization, scientific field and water management, and twice drainages during cropping season, strengthening forecast and con- trolling of disease and pest, applying enough bud fertilizer and cultivating healthy seedlings, harvesting timely and remaining skillfully the rice stubbles, etc. In addition, the key points of water-fertilizer management in ratooning rice season were put forward in this paper.