草的

Beauv effectively, and bensulfuron methyl (30g/hm^2) applied 6 d after rice transplanting could significantly reduce the plant numbers and biomass accumulation of difformed galingale (Cyperus difformis L.) and procumbent falsepimperne . The control efficiency of Huakangcao 78 and Yangdao 6 were 89.16% and 81.86% on barnyardgrass dry weight respectively 50 d after the rice transplanting, 83.56% and 84.93% on difformed galingale dry weight, 95.22% and 88.04% on procumbent falsepimperne dry weight. As a whole, the total dry weight control efficiency were 87.68% and 82.69% on above weeds correspondingly. Moreover, the grain yield of Huakangcao 78 and Yangdao 6 under the condition of 10cm depth water and herbicide application increased 40.33% and 21.36% comparing those under the treatment of 5cm depth water and no herbicide application respectively.

结果表明，水稻化感作用结合深水层可有效抑制稗草的萌发和生长，同时水稻移栽后6d使用苄嘧磺隆(30g/hm^2)单剂处理，明显地抑制了异型莎草和陌上菜的萌发数量和生物量积累；水稻移栽后50d，华抗草78和扬稻6号对稗草的干重防效分别为89.16%和81.86%，对异型莎草的干重防效分别为83.56%和84.93%，对陌上菜干重防效分别为95.22%和88.04%，对这3种杂草的总干重防效分别为87.68%和82.69%；10cm深水层及施用苄嘧磺隆单剂条件下2个水稻品种的产量比5cm水层、不施化学除草剂的处理分别增产40.33%和21.36%。

Paraffin sectioning was employed to study the developmental structure of stems and leaves of Messerschinidia sibirica, especially the position, the structure and the formation and development of the salty gland. The result indicated: that salty gland of M. sibirica is from epidermic cell of stem and leaf. Based on the observation we found one primary kind of salty glands structure which consists of many cells on the epidermis including the collecting cell and the secretory cell and so on.

利用石蜡切片法研究了砂引草茎叶的解剖结构，尤其是对泌盐腺的位置、泌盐腺的形态结构及泌盐腺的发生发育过程进行了系统的研究，结果表明：砂引草的盐腺由茎叶的表皮细胞发育而成，通过观察发现在砂引草的表皮上存在着一种主要的盐腺结构，它是由多个细胞组成，包括收集细胞和分泌细胞等。

Chapter 5: The simultaneous determination of 20-hydroxy ecdysone, 3, 7-dimethoxy-quercetin, acteoside and rutin in the mixture of leaf and stem, and the flower of Lamium maculatum has been investigated by capillary zone electrophoresis for the first time.

所建立的毛细管区带电泳新方法简单、快速，可有效地分析短腺小米草的茎及花中的三种活性成分，该方法不仅可以用于分析短腺小米草植物的这些活性成分，而且对其他小米草属植物中这些活性成分的初期研究也具有重要的参考价值。

In the 2-year field experiments, host plant preference and dispersal of the rice water weevil adults of the 1st generation emerged from the 1st cropping season rice were measured on newly transplanted plants of different species and/or growth stage. The weevil preferred significantly to barnyardgrass over Leersia herxandr and Cyperus difformis L with rice at the least, while the age of the plant did not affect such preference. But mean size of feeding scar in on younger plants were larger than in older plants.

在田间自由选择条件下，一代稻水象甲成虫对稗草的选择性显著高于对水稻的选择；稻水象甲对不同生育期的稗草、水稻的选择没有显著影响；对李氏禾和莎草的选择高于水稻，低于稗草；较幼嫩的植物上的取食斑总长度、取食斑平均长度比较老的植物的要长。

The photosynthesis is determined by photosynthesis meterThe results showed that the net photosynthesis rate of Carex lasiocarpa(47.41 μ mol/m/s)is faster than those of other plants in Carex lasiocarpa wetland, Based on the overall sunlight radiation and the efficient photosynthesis radiation, energy utilization rate in radicula was the highest(1.3945% and 3.1879%)While those in spike was the lowest(0.0020% and 0.0046%).

毛果苔草湿地的物理过程观测设在中国科学院三江平原沼泽湿地生态实验站内，用美国CID公司出品的光合仪对典型湿地中几种优势植物的光合能力进行测定；在80℃干燥的植物样品，粉碎后，分别称量约1g左右，用美国公司Parr型氧弹式热量计测定；研究发现毛果苔草湿地建群种中毛果苔草的净光合速率最大，为47.41μmol/m/s。

Spinulosa in the Xiling Lake were affected by water depth gradient.

调查研究西凉湖的刺苦草（V.spinulosa）在不同水深下的生长和繁殖策略，试图弄清是否水位的变化影响刺苦草的繁殖策略，进而影响刺苦草在湖泊中的分布情况。

The species structure and importance value dynamics of annual plants in herbage synusia during a growth period have been observed, and the ecological mechanisms of these changes have been analyzed also.

通过跟踪观测一年生植物层片在一个生长周期内种类组成及其重要值的变化，并分析变化的生态学机理，得出如下结论：①在固沙区草本层片内，小画眉草的多度、盖度和重要值在群落中所占比例较大，是群落优势种；②在充足的降雨后，一年生植物都突发性萌发，但随着降雨的减少，层片内的一年生植物种群都呈衰退之势，其中小画眉草和虎尾草种群急剧减少，狗尾草、雾冰藜和虫实种群减少幅度不大。

The more degree shaded treatments were, the more biomass was allocated to the below-ground parts, resulting in the less ratios between above-ground and below-ground biomass. Shaded treatments limited sexual reproductive ability of V. spinulosa, which has reproduced less of ramets and winter tubers under shaded conditions versus natural conditions. V. spinulosa adapted the change of light by means of refuging life-history strategy.

随着遮阳强度的增加，刺苦草的最大叶长、总葡匐茎长和总的叶面积减少，遮蔽强度越大，分配到地下的生物量越多，冠根比率越小；遮阳生境下的刺苦草的有性繁殖受限，无性繁殖形成的分株和冬芽也比自然状态少得多；刺苦草采用回避策略应对光照胁迫。

Rain fell on the roof of the barn and dripped steadily from the eaves. Rain fell in the barnyard and ran in crooked courses down into the lane where thistles and pig weed grew. Rain spattered against Mrs. Zuckerman's kitchen windows and came gushing out of the downspouts . Rain fell on the backs of the sheep as they grazed in the meadow.

雨水落在谷仓顶上，不停的从屋檐上滴落下来；雨水落到谷仓院子里，弯弯曲曲地一道一道流进长着蓟草和藜草的小路；雨水噼噼啪啪地打在朱克曼太太的厨房窗上，咕咚咕咚地涌出水管；雨水落在正在草地上吃草的羊的背上。

For everything on earth that doesn't concern her she were black shirts, but she doesn't care a rap that one elderly mower whose stroke she can hear, wears black trousers instead of bright blue glassy slope and say to the fat mower: Cher monsieur, pourquoi portezvous les pantalons noirs?

她特别关心，因为在看不见的远方，假想中的意大利人穿着黑衬衫，可是她却毫不关心那位身穿黑裤而非天蓝色棉布裤子的年长割草人，尽管她听得到他割草的声音。假如她现在会从阳台上走下去，爬上平静的山坡，对胖胖的割草人说：亲爱的先生，你为什么穿了一条黑裤子啊？

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。