【摘 要】
：
随着改革开放市场经济的发展,作为特殊商品的农作物良种,经营竞争越来越激烈。竞争的要点:一是质量,二是价格。所以,进一步提高种子质量,不仅是棉花生产发展的要求,同样是适
【机 构】
：
河北省邯郸地区种子公司,河北省邯郸地区种子公司 056001,056001
论文部分内容阅读
随着改革开放市场经济的发展,作为特殊商品的农作物良种,经营竞争越来越激烈。竞争的要点:一是质量,二是价格。所以,进一步提高种子质量,不仅是棉花生产发展的要求,同样是适应市场经济竞争的需要。在实践中,我们探讨出以下三点提高棉花繁种质量的措施。1 选用“自交混繁法”生产原种我们经过采用“三圃制”、“二圃制”和“自交混繁”等方法生产种子结果对比,认为自交混繁法生产的原种有如下好处:
With the development of the market economy under the reform and opening up, as a special commodity of crop varieties, competition is becoming more and more competitive. The main points of competition: First, quality, and second, the price. Therefore, to further improve the quality of seeds is not only the requirement of cotton production and development, but also the need of market economy competition. In practice, we explore the following three points to improve the quality of cotton breeding measures. 1 Selection of “self-breeding mixed method” to produce the original species We adopted the “three-nu system”, “two-nu system” and “self-mixing” and other methods of seed production comparison, that self-hybrid production of the original Has the following benefits:
其他文献
本研究以草莓为试验材料,于2007年-2008年通过在温室大棚盆栽试验,探讨了APRI处理对草莓体内SOD、POD、CAT的活性,MDA、可溶性蛋白的含量、光合作用以及对生长和产量的影响。
The E × B drift instability is studied in Hall thruster using one-dimensional particle in cell (PIC) simulation method. By using the dispersion relation, it is
本试验拟从山药粗多糖抗氧化性、果蝇生理特性、果蝇体内抗氧化活性、抑菌效果及免疫活性5个层面加以研究山药块茎多糖生物活性功能。试验以刚采收的山药块茎为材料,采用水提
鲁花11号花生是山东省莱阳农学院用花28为母本、534—211为父本杂交,于1988年育成。原代号莱农13号 ,1992年4月经山东省农作物品种审定委员会审定通过并定名。一、特征特性:
We investigate rotational dynamics of an actively driven rotor through experiments and numerical simulations. While probability density distributions of rotor a
We utilize an electromagnetically induced transparency (EIT) of a three-level cascade system involving Rydberg state in a room-temperature cell, formed with a c
A time-dependent quantum wave packet method is used to investigate the dynamics of the Li+H(D)Cl reaction based on a new potential energy surface (J. Chem. Phys
We demonstrate the production of cold, slow NH3 molecules from a supersonic NH3 molecular beam using our electrostatic Stark decelerator consisting of 179 slowi
Cherenkov free electron laser (CFEL) is simulated numerically by using the single particle method to optimize the electron beam. The electron beam is assumed to
Ionization of molecules in femtosecond laser fields is the most fundamental and important step of various strong-field physical processes. In this study, we exp