种质的

A representative set of 42 leucaena genetic resources from Thailand, USA, Mexico, Philippines, Clolmbia and China, were analyzed by amplified fragment length polymorphism methodology.

对中国热带农业科学院热带品种资源研究所从泰国、美国夏威夷、墨西哥、菲律宾、哥伦比亚和中国引进的42份银合欢种质进行AFLP分析。

The study on germplasm resource of Lonicera Caerulea L. was not much made abroard and many problems should be resolved.

国外对蓝靛果忍冬种质资源的研究时间也较短，尚不深入，许多问题尚待解决。

Levels of genetic diversity within and among 8 natural populations of Mangifera persiciformis C. Y. Wu et T. L. Ming were analyzed by AFLP markers.

采用AFLP分子标记技术，对中国特有杧果野生近缘种扁桃忙种质资源8个居群的遗传多样性进行了研究。

Xinjiang is the center of genus Medicago genetic resources in China.

利用这些种质材料培育的人工新品种共60个。

The results laid a solid foundation for germplasm improvement and exploitation of fine variety of Porphyra haitanensis.

本研究结果为坛紫菜种质改良以及良种的开发利用奠定了良好基础。

Objective To establish a tissue culture system of Pueraria thomsonii and to cultivate a new breed autotetraploid.

目的建立粉葛的组织培养体系；培育粉葛同源四倍体新种质。

Genetic diversity and genetic relationship of 40 accessions of pear Pyrus L.

采用AFLP分子标记技术对甘肃中部梨种质资源的遗传多样性进行分析。

Four isozymes: esterase, peroxidase,α-amylase and superoxide dismutase extracted from buds of 16 radish (Raphanus sativus L.) accessions were studied with polyacrylamid gel electrophoresis.

采用聚丙烯酰胺凝胶电泳技术对16份萝卜种质花蕾的酯酶、过氧化物酶、α-淀粉酶和超氧化物歧化酶同工酶进行系统分析。

The RNAi technology can effectively inhibit the expression of lipoxygenase gene in soybean seed, decrease the activity of lipoxygenase, increase the amount of oil content in its products, improve the quality of soybeans, and create new superordinary germplasm resources of soybean.

应用RNA干扰技术可有效的抑制大豆籽粒中脂肪氧化酶基因表达，降低脂肪氧化酶活性，提高大豆油份含量，改良大豆品质，创造优良大豆种质。

For the poor of supersweet maize genetic resources on insect resistance, the insect-resistant varieties is not easy obtained by conventional breeding in the short time.

超甜玉米抗虫种质资源相对贫乏，本身缺少有效的抗虫基因资源，通过常规育种方法在短期内难以获得抗性品种。

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％。