种质

In academia, there are still many controversies about the classification of the genus Meretrix.

开展文蛤种质资源的遗传基础研究是文蛤健康养殖和永续开发利用的必然要求。

Items of its morphic characters, ornamental features, technology of cultivation and maintenance and application in landscape are introduced briefly in this paper as well as utilization status in foreign countries. Additionally, ornament...

简要介绍了的观赏醉鱼草的形态特征、观赏特性、栽培养护技术、园林用途及国外观赏醉鱼草的开发利用现状；对中国醉鱼草属观赏植物种质资源及利用现状进行了阐述，并就开发利用中国的观赏醉鱼草资源提出了对策。

In this paper,five factors causing waterlogging in the lowland polder area s of southern china are listed and reviewed based on the field ecosystem of waterlogging:climate,topgraphy and morphography,soil,hydrology and geology and human activities.

从农田渍害生态系统的角度综述了我国南方低洼圩区产生渍害的五大成因：气候因素、地形地貌因素、土壤因素、水文地质因素和人为因素；在分析南方各地治理渍害经验的基础上，概述了目前改造和防治渍害低产田的七大措施：搞好水利工程建设，实行水旱轮作，加强耕作管理，增施有机肥料，利用抗湿种质资源，喷施外源生长调节剂及应用高分子技术。

ObjectiveTo obtain some basic data for the utilization of mulberry leaves, the total flavonoid content of mulberry leaves from different Morus cathayana germplasm resources were determined, and the differences were analyzed.

目的分析不同华桑种质资源桑叶总黄酮含量的差异，为桑叶资源的利用提供科学依据。

Hwabongbyeo,Zhongzuo9059,Upland rice 9,Upland rice 502 and IRAT359 with higher tolerance to low N-fertilized level,which were nonsensitive to nitrogen.

花峰稻、中作9059、旱稻9号、旱稻502和IRAT359等种质资源表现较迟钝的氮素反应，具有较强的耐低氮能力。

The results of tissue analyses on the plants collected from this high manganese environment identified Phytolacca acinosa Roxb.

这一发现填补了我国锰超积累植物的空白，为探讨锰在植物体中的超积累机理和锰污染土壤的植物修复提供了一种新的种质资源

Origin of soybean alleles for Phytophthora resistance in China.

中国大豆疫霉根腐病和大豆种质抗病性研究。

So understanding the genetic diversity of Picea crassfolia is of significance to protect the germplasm resources and breeding work in the future.

因此了解青海云杉的遗传多样性对其种质资源的保护以及今后的遗传育种工作具有重大的指导意义。

This type of pump is the most ideal to be matched for transporting the plasm material to the filter.

这种泵是最理想的，必须配合运种质材料的筛选。

The research of this paper is the first step of the System of Germ Plasm Resource Construction,the aim of that system is to build a platform on data management.

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。