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Since 1980s', however, with the change of rice cultivar and adding of more manure into the paddyfield, false smut has become worse and worse as an important factor to influence greatly on the yield and quality of rice in some places.

但从上世纪80年代以后，随着水稻品种的改变及稻田肥力的增加，稻曲病的发生日益严重，在一些地区已成为影响水稻产量和质量的重要因素。

The research advances in genetic relationships of peach germplasm, including the morphologic, cytology, palynology, biochemistry and DNA molecular markers, were reviewed in this paper. The actuality, prospect and urgent problems of peach germplasm resources were also discussed. To further study the genetic relationships of wildness, sib wildness and cultivar groups of peach, we may resort on genetic markers and DNA sequence analysis in addition to morphological characters.

本文从形态学、细胞学、孢粉学、生物化学及DNA分子标记等几个方面综述了桃种质资源亲缘关系的研究进展，探讨了桃种质资源亲缘关系的研究现状、前景及尚需解决的问题，并就进一步开展桃种质资源亲缘关系的研究进行了分析，提出桃种质野生种、近缘野生种厦不同栽培品种群间的分子系统学关系是今后研究的重点。

To probe into either the attractiveness to or avoidance from phylloxera of grape rootstocks and cultivars with different tolerance, as well as into the volatile components from their roots, the method of invitro root segment culture was used to investigate the selectivity of Phylloxera viticola Fitch to the roots of grape rootstocks '5BB' and '140Ru' and cultivar 'Kyoho'.

为了探讨不同抗性水平砧木及品种对根瘤蚜吸引及驱避效应以及鉴定挥发性物质组分，采用离体根段培养法测定葡萄根瘤蚜Phylloxera viticola Fitch对砧木5BB，140 Ru及栽培品种巨峰的选择性，发现根瘤蚜对栽培品种巨峰的根段具有很强的选择性，至接种后3d，67.13%的根瘤蚜优先选择巨峰；而对5BB和140 Ru的选择性却很差，分别有15.29%和17.58%的根瘤蚜选择5BB及140 Ru。

Relationship between starch physiochemical properties of wheat grain and noodle quality was studied to guide cultivar breeding for noodle making.

研究中国小麦的淀粉理化特性及其与面条品质的关系，为优质面条小麦品种的选育提供依据。

Objective Relationship between starch physiochemical properties of wheat grain and noodle quality was studied to guide cultivar breeding for noodle making.

研究中国小麦的淀粉理化特性及其与面条品质的关系，为优质面条小麦品种的选育提供依据。

Fruits of Xuxiang kiwifruit cultivar (Actinidia chinensis Planch. cv. Xuxiang) were fumigated with 10, 20 and 30μLL^(-1) of nitric oxide gas respectively.

分别用10、20和30μLL^(-1)一氧化氮气体熏蒸猕猴桃果实，研究NO对采后徐香猕猴桃Actinidia chineoiss Planch。

Protoplast fusion can circumvent reproductive barriers facing citrus, such as polyembryony and female and/or male sterility, and paves way for citrus cultivar improvement.

柑橘原生质体融合主要采用"叶肉原生质体+胚性愈伤组织原生质体"和"胚性愈伤组织原生质体+胚性愈伤组织原生质体"两种模式，融合方式主要有对称和非对称融合。

SSR loci were proved to be derived from the Island Cotton primogenitor by compared all polymorphic marker loci with the Island cotton primogenitor (Ashimouni, a famous Egypt Island cotton cultivar) and the standard genetic line (TM-1) of Upland cotton.

利用这些引物进一步和TM-1、优质纤维渐渗片段的供体Ashimouni作比较，初步鉴定出10个SSR位点与海岛棉渐渗有关。

In main rice it used 150kg N per hm2and Planting density 225000 ~300000 hills per hm2 as 195~240kg N per hm2 and planting density 150000 ~300000 hills per hm2,It was work in that other supplemental culture measures of high yield, The two season high yield was cropped on ratoon rice cultivar.

头季每公顷施纯N 150kg与栽培密度22.5~30万丛搭配和每公顷施纯N 195~240kg与栽培密度15~30万丛搭配，配套其他高产栽培措施，再生栽培能获得两季高产。

The phenotypically uniform indica rice variety IR64 was chosen for study of the source and inheritance of within cultivar residual variation using a set of SSR markers.

用SSR标记对个体间表型一致的籼稻IR64（由育种家提供的种子，简称S0）品种内的残余遗传变异的来源以及变异的遗传模式进行了研究。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失