26份野生水果“胭脂子”（红桂木)种质经济性状的初步评价

在对茂名地区化州、高州、电白、茂南等县区的野生水果“胭脂子”（红桂木）种质资源进行全面考察的基础上，对其中表现较好的26份优良单株和品种进行了主要经济性状的初步评价。结果表明，“胭脂子”遗传多样性丰富，适应性、抗逆性强，丰产性好。选育出‘胭脂1号’、‘胭脂2号’、‘古塘胭脂’、‘东友胭脂’等综合经济性状优良的单株，或可为今后重点选育推广。     

沙苑子对四氯化碳所致大鼠慢性肝损伤的保护作用

目的观察沙苑子对四氯化碳(CCl4)所致大鼠慢性肝损伤的保护作用。方法 SD雄性大鼠60只,随机分成正常对照组(A组),模型组(B组),姜黄素阳性对照组(C组),沙苑子组(D组)各15只。A组皮下注射精制花生油,其他各组采用40%CCl4油剂制备慢性肝损伤模型。6周后,C组、D组分别灌胃给予姜黄素水溶液(20mg/ml)和沙苑子水煎液(30mg生药/ml),A、B组则给予等量的蒸馏水。同时,除A组外,各组仍每周注射40%CCl4油剂1次,持续4周。观察肝脏病理,检测大鼠血清ALT、AST、ALP及肝匀浆MDA含量。结果与B组比较,A组大鼠的肝指数,血清ALT、AST、ALP显著降低,C、D组大鼠肝脏的相对重量、ALT、AST、ALP、MDA均显著降低(P0.01)。结论沙苑子通过降低ALT、AST、ALP及MDA含量发挥抗慢性肝损伤的作用。     

地方茶文化的发掘与整合设计研究

随着我国传统文化的挖掘,茶文化也在不断的传承,在地方茶文化发展的同时,要对其进行挖掘和整合,可以促进一个地区文化的繁荣。本文以安溪茶文化为例,分析茶文化挖掘和整合的战略,可以在一定程度上推动当地茶文化的发展。     

子莲栽培技术要点

<正>子莲适合于亚热带季风湿润气候生长,其生育期较长,要求的无霜期长,需要的积温比较高,我国长江流域及其以南地区多有栽培,长江流域以北地区较少栽培。一、莲田选择子莲栽培,除了用作商品外,近年来,许多地方还用于景观栽培,给旅游风景区增添了一抹亮丽的风彩。子莲栽培莲田的连作时间不宜超过2~3年,并且尽量每年挖藕重栽,子莲可与陆生作物或水生经济动植物轮作。选择有灌溉条件、阳光充足、田地平整、土层深     

良圻蔗区土地整合模式探讨

以广西农垦糖业集团良圻制糖有限公司蔗区为例,探讨介绍了良圻蔗区土地整合的模式和做法,提出"四体合一"模式,为自治区"双高"基地建设土地整合提供一种新思路,确保制糖企业稳定健康发展,推进蔗区土地整合,有效提高甘蔗单产,增加了农民收入。     

我家狗狗的那些趣事

一直困绕我的是它现在已经发展到要钻到我被窝里才肯老实睡觉了……话说它从记事起就是我妈一把屎一把尿地喂养大的。它现在会不会误认为自己是我妈生的？我们家狗狗固执地认为它是我妈生的,其实是我捡来的。我不怪他,主要问题出在我妈身上。     

芋田斜纹夜蛾重发生原因及防控措施

分析了近年来清流县芋田斜纹夜蛾重发原因,并针对其发生与危害特点,提出加强测报工作,开展农业防治、诱杀防治及化学防治等治理防控。     

Characterization of Genomic Integration and Transgene Organization in Six Transgenic Rapeseed Events

To characterize the DNA rearrangement of both the T-DNA region and the genomic insertion site during T-DNA insertion, the Genomewalker strategy was used to isolate the junctions between the inserted DNA and the plant genomic DNA in six rapeseed events as well as the genomic DNA at the sites before integration. During transformation in each of the six events, portions of both the right border（RB） and left border（LB） regions of the T-DNA were deleted, ranging from a 7 nucleotide deletion of the LB repeats in event RF1 to a 207 bp deletion of the LB region in event RF2. For the six events, T-DNA integration resulted in a deletion at the target site spanning less than 100 bp. Sequence analysis indicated that the T-DNA was integrated into the coding region of various native rapeseed genes in events RF1 and RF2. Duplications of the genomic DNA target site were observed in events RF2, RF3 and Topas 19/2. And multimerization of transgenes was found in event Topas 19/2, in which, the T-DNA was integrated as a head-to-head（RB-to-RB） concatemer into the recipient genome. In event MS1, chromosomal translocation or a large target-site deletion may have occurred during T-DNA integration, which was identified due to a failure to amplify the presumptive insertion site based on the flanking rapeseed DNA sequences. Our results provide comprehensive data concerning transgene organization and the genomic context of the T-DNA in six rapeseed events, which can aid in the developing of insert fingerprinting and the monitoring of long-term genetic stability and potential unintended effects of transgenic events.     

西洋海笋的高效栽培技术

寿光市一直以我国的"蔬菜之乡"而著称,但是人们不熟知的是寿光市北部共有盐碱地、滩涂面积1.23万hm2,占寿光总面积的5.66%,耕地面积的13.1%。如何充分利用好这些盐碱、滩涂地,是"变废为宝"的一项重大课题。西洋海笋作为一种在盐碱滩涂地种植,利用卤水、盐水灌溉的新型作物,很好地解决了此项难题。西洋海笋属藜科(Chenopodiaceae)海蓬子属(Salicornia)高等植物,又称"海菜豆"、"毕氏海蓬子",因     

信息技术在小学英语教学中的应用

现代信息技术的应用,可以使小学英语教学更加具有趣味性,对小学生更有吸引力,更好发挥学生的主体作用,从而大大提高课堂效率。