原种、原原种的英文翻译

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●（作物）种子：   Cultivar seed

英文参照：Cultivar

A distinct, often intentionally bred subset of a species that will behave uniformly and predictably when grown in an environment to which it is adapted. Also known as variety or release.

● 原原种、育成者种子：breeder seed

中文参照：原原种。是指育种专家育成的遗传性状稳定的品种或亲本的最初一批种子，其纯度为100%。它是繁育推广良种的基础种子。

英文参照： Breeder seed

The stock seed produced by the breeder or institution that developed and maintains the cultivar. Used to produce foundation seed. Not normally found in commercial channels; the originator or owner of the variety determines the procedure for producing breeder seed and controls breeder seed distribution.

● 原种、基本种子： foundation seed

中文参照：　（原种是由良种繁殖场或品种育成单位通过原种生产程序繁殖出的纯度较高，质量较好，而且能进一步供繁殖良种使用的基本种子。发达国家还把原种分为育成者种子和基本种子。育成者种子是品种育成者自己生产的原始而无混杂的种子，故又称为原原种。基本种子是指由原原种种子直接繁殖，并经严格淘汰，或由良种繁殖场直接控制所繁殖出的种子，又称为原种。由原种种子繁殖出的后代称为检定种子，过去我们曾命名为一级良种、二级良种。1989年中国农业部颁布的《农作物品种审定办法》中规定：“审定通过的品种，由育种者提供一定数量的原种交种子部门加速繁殖推广。”这里所指的原种，是新品种开始生产和推广的最原始的高质量种子。）

又：　　原种。是指用原原种繁殖的1～3代或按原种生产技术规程生产的达到原种质量标准的种子，其纯度在99.9%以上。

英文参照：Foundation seed

The earliest (or highest) certified generation of seed available to producers for cultivar seed production. Breeder seed is planted to produce foundation seed, making foundation seed the first-generation progeny.

● 登记种：registered seed

英文参照：Registered seed

The progeny of foundation seed that is so handled as to maintain satisfactory genetic identity and purity and that has been approved and certified by the certifying agency. This class of seed should be of a quality suitable for production of certified seed.

● 检定种：certified seed

英文参照：Certified seed

The progeny of foundation or registered seed, thus two or three generations removed from breeder seed. Certified seed can be used to produce only common or uncertified seed; it cannot be used to produce any other class of certified seed.

● 普通种子：common (uncertified) seed

英文参照：Common (uncertified) seed

Commercially produced seed that is fourth generation or further removed from cultivar breeder seed. This seed may be given a variety name even though it has not been certified.

注：以上参照均引自以下网址：http://www.nativeseednetwork.org/article_view?id=13

http://baike.baidu.com/view/809873.htm