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为了加快我县水稻品种结构调整步伐,扩大优质稻生产规模,以适应市场的需要,提高经济效益和社会效益。2001年早季,我站从省农科院引进杨聚宝博士新培育优质稻组合两优21201。该组合在我县陈巷、岩溪等乡镇示范种植20亩,表现高产、抗病、米质优等特性,平均亩产550公斤,是适宜在我县作早季栽培的优质稻新组合。 一、特征特性 1.主要性状:两优21201株型适中,根系发达,株高120厘米左右,分蘖力中等,剑叶较宽长。前期营养生长期长,抽穗快而整齐,后期青秆黄熟,不早衰。穗长平均25.1厘米,每穗总粒数160粒左右,结实率86％以
In order to speed up the pace of structural adjustment of rice varieties in our county, expand the production scale of high-quality rice to meet the needs of the market and enhance economic and social benefits. In the early 2001 morning, I stationed Yang Juobao from the Provincial Academy of Agricultural Sciences to cultivate the new high-quality rice combination Liangyou 21201. The combination of planting 20 acres in Chenxiang, Rock Creek and other villages and towns in our county demonstrated high yield, disease resistance and excellent rice quality with an average yield of 550 kg per mu. It is a new high-quality rice combination suitable for early-season cultivation in our county. First, the characteristics and characteristics 1. Main characters: Liangyou 21201 plant type is moderate, well-developed root system, about 120 cm in height, medium tillering ability, wide and long flag leaves. Pre-vegetative growth period is long and heading fast and tidy, the late blue stalk ripening, not premature. Average spike length 25.1 cm, the total number of grains per panicle is about 160, the seed set rate of 86%