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The reaction of detached leaves Stylosanthes of to Collectotrichum gloeosporioides was tested. The stylo leaves of Mineirao were hypersusceptible in seven days, while stylo leaves of CIAT2312 were rotted in the same time.

对这2种柱花草的离体叶片接种炭疽菌,Mineirao柱花草叶片对炭疽菌发生过敏性反应,而CIAT2312柱花草叶片则腐烂,表明Mineirao柱花草叶片中可能含有抑制炭疽菌的物质。

Transferred the NP-1 gene into C. ellipsoidea by electroporation with high efficiency expression vector pBinUΩNP1. PCR, Southern blot and Northern dot blot analysis of the G418resistant alga strains indicated the stable integration and correct transcription of NP-1 in C. ellipsoidea genome. In vitro antagonistic assays showed the proper expression of defense gene in C. ellipsoidea. Transgenic C. ellipsoidea is antagonistic to gram negative bacteria—Bacillus subtonic, gram positive bacteria—Escherichiacoli and fungi—Fusarium oxysporum to some extent.

以椭圆小球藻完整细胞为受体,采用电激转化法将连接在高效表达载体pBinUΩNP1上的兔防御素NP-1基因导入小球藻,通过PCR、Southern杂交、Northern点杂交对转基因小球藻进行了分子检测,同时通过体外离体抑菌实验检测了兔防御素NP-1基因表达产物的活性,结果表明NP-1基因已稳定整合到小球藻基因组中,并进行了正确转录和表达。

The system of embryo cultured in vitro and plant regeneration in two Taxus species was established.

南方红豆杉和短叶红豆杉的离体胚培养和植株再生体系的建立。

The respones wexe recorded extracellularly in pigeon optic tectum brain slice by glass micropitettes to perfusion of acetylcholine.

在家鸽的离体顶盖脑片上,用玻璃微电极记录了顶盖IIg_j亚层神经元对灌流乙酰胆碱所产生的反应。

NO could be synthezied for maintaining the resting cerebrovascular tonus in normoal condition and was involved in the vasodilatation mechanism under hypoxia. In these 2 aspects, the NO effects could be inhibited by L-NNA.

在静息状态时,NO有维持离体基底动脉血管条基态张力的作用;低氧时,NO在脑血管的舒张反应中也占有重要地位,两种作用都可以被L-NNA抑制。

Each group with six pairs. Simulate uniped standing and compare the maximum femoral neck strength and torsional strength with using screws in different types and numbers, i.e. two ECS and two CCS, two ECS and three CCS, three ECS and three CCS.

在离体模拟单足站立情况下,分别比较以2枚ECS与2枚CCS,2枚ECS与3枚CCS,3枚ECS与3枚CCS固定股骨颈后的最大抗压强度及等量扭矩下的旋转角度,测试并记录数值。

Methods: In vitro culture to enter the logarithmic phase of PCI2 cell is divided into 6 groups: blank control group, model control group, VitE group of cerebrospinal fluid, cerebrospinal fluid Dihuangyinzi low, middle and high dose group.

把离体培养的进入对数生长期的PCI2细胞分为6组:空白对照组、模型对照组、VitE脑脊液组、地黄饮子脑脊液低、中、高剂量组。

During dehydration, the tolerance of wampee axes to desiccation which was analyzed as germination percentage, vigour index, and rate of electrolyte leakage, and activities of antioxidant enzymes gradually decreased, the content of malondialdehyde , progressively increased.

黄皮种子离体胚轴在脱水过程中,胚轴的萌发率、活力指数、电解质渗漏速率,超氧化物歧化酶、过氧化物酶和过氧化氢酶活性逐渐降低,膜质过氧化产物MDA的含量不断增加。

Six strains of Phytophthora parasitica var. nicotianae were isolated from disease tobaccos in Yongzhou and Ningxiang from heavy disease plots;. Pathogenicity was tested to six strains, the results shows the strain of phy3 have strong pathogenicity. We also studied the effect of several solutions for producing zoosporangium in Artificial culture condition, the result shows the hyphea culture with 0.1% KNO3 produced the most quantity of zoosporangiums.

2001~2003年,从湖南永州和宁乡等地发病重的田块采集病株共分离到烟草黑胫病菌(Phytophthora parasitica var.nicotianae)菌株6株,经离体叶片致病力筛选,烟草黑胫病菌株phy3为强致病力菌株,病情指数达到89%;并在实验室条件下,研究了几种溶液诱导孢子囊的产生效果,结果证明经0.1%KNO,处理产生孢子囊最多。

Screening of acaricidal active plants: Acaricidal activity of industrial alcohol extract from 200 plants in 50% concentration on adult mites of P.communis cuniculi was investigated in vitro.

具有杀螨活性植物的筛选:采用点滴法离体杀螨试验观察了200 味中药工业酒精提取物对家兔痒螨(P.communis cuniculi)成虫的杀灭活性。

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