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陆两优611是湖南亚华科学院新育成的两系杂交早稻组合。该组合生育期107天,株型较紧凑,剑叶直立,茎秆中粗,根系发达,耐肥抗倒,抗稻瘟病能力强,分蘖力较强,成穗率高,抽穗整齐,叶下禾,后期成熟熟落色好,米质较优。笔者结合实际制种经验,从地域气候、播种方式和播种时期、亲本群体结构、肥水管理和病虫草害防治、除杂保纯和适时抢收几方面总结了该组合的制种技术要点。
Lu two excellent 611 is Hunan Yahua Academy of Sciences bred two-line early hybrid rice combination. The combined growth period of 107 days, more compact plant type, the flag leaves erected, stalks, roots developed, resistance to down, blast resistant ability, strong tillering ability, heading rate neat, heading neat, leaf Wo, late mature cooked off color, good quality rice. The author combined the actual seed production experience, from the regional climate, sowing methods and sowing time, the parental population structure, fertilizer and water management and pest and disease prevention and control, removing impurities and pure timely collection of the summary of the combination of the key points of seed production.