利用CMS育种技术,从F1种子进化出无病高产的F2粒

J. Tah
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引用次数: 0

摘要

CMS A系(IR 58025 A)和KMR-3系(R系)于2011年12月从胡格利的中国水稻研究站采购。按照CMS育种技术规范,于2011年12月18日在印度布尔旺大学植物系作物研究农场(CRF)研究场地的种床上播种a系和r系种子。这些幼苗相应移栽,以提高F2植株群体。这些F1种子是在F2群体中进行的,在其生长发育阶段直到收获期间进行了严格的观察。这些F1种子在种床上播种,保持三种间距。采用随机区组设计(RBD),分4个重复,在每个品种土壤中施用T0、T1、T2、T3、T4 5个有机肥处理,保持30个小区。各种格律字符,即No。没有。总叶数、株高、对有花序的分蘖、单株总产量进行了严格的研究,并仔细记录了所有数据,以便进一步计算,F2代田间未发现病害发生。本试验的主要目的和目的是研究通过CMS育种技术进化的杂交水稻F1群体的产量属性和F2的无病种子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Effort for Producing Disease Free High Yielding F2 Grains from F1 Seeds Evolved through CMS Breeding Technology
CMS A-lines (IR 58025 A) and KMR-3 as R- line were procured from the State Rice Research Station, Chin surah, Hooghly during December 2011. The seeds of A-line and R-line were sown in the seed bed at the research field of the Crop Research Farm (CRF) under The Department of Botany, The University of Burdwan on 18/12/2011 following anorms of CMS breeding technology. These seedlings were transplanted accordingly for raising F2 plant population. These F1 seeds were undertaken for F2 population which was observed critically during its growth and developmental phase till harvesting. These F1 seeds were sown in the seed bed maintaining three types of spacing. Five organic manure treatments viz. T0, T1, T2, T3, T4 were applied in the soil of each variety and spacing sub plot i.e total 30 sub plots were maintained following Randomized Block Design (RBD) in four replications. various metrical characters viz. No. of tillers, No. of total leaves, plant height, No. of tillers bearing inflorescence, total yield per bight were studied critically and recorded all the data carefully for further calculations, no disease occurrence was found in the field of F2 generations. The main aims and objectives of this experimentation were to study the yield attributes and disease free F2 seed from the hybrid F1 rice population evolved through CMS breeding technology.
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