防治

Ata28 strain exhibited marked suppression of Tbs3 strain which is the pathogen of tobacco brown spot on PDA plates, and the Ata28 strain had the good control efficiency of tobacco brown spot.

采用紫外线诱变Ata28菌株时，通过预备实验，计算Ata28菌株在不同诱变时间的致死率和正变率，选择该菌株的最佳诱变时间10s，20s，30s诱变；通过平板对峙培养，筛选出15个突变菌株在PDA平板上可明显抑制Tos3的生长，抑菌带高于出发菌株Ata28，抑菌带最大值达9.4 mm；在温室控病中，获得了对烟草赤星病有较好防效的突变菌株Uv-126，烟苗经Uv-126菌液处理3d后接种Tos3的防治效果达52.2％，比出发菌株Ata28的防治效果好。

Ata28 strain was mutated by UV with the most optimum mutant time, including 10, 20, 30s, that was chosen by the trial tests, considering the lethality rate and positive mutation rate of Ata28; it was found that 15 mutant strains were shown antagonism against Tbs3 strain by antagonism test on PDA plate, inhibition zone of mutant strains exceeded the original strain Ata28, and the maximum of inhibition zone reached 9.4mm; the mutant strain Uv-126 was found most effective in tobacco brown spot control and a rate of efficiency control reached 52.2% on tobacco plants three days after bacteria spraying.

采用硫酸二已酯诱变Ata28菌株，通过预备实验，计算Ata28菌株在不同诱变时间的致死率和正变率，选择该菌株的最佳诱变时间20min，40min，60min诱变；通过平板对峙培养，筛选出17个突变菌株在PDA平板上可明显抑制Tbs3的生长，抑菌带高于出发菌株Am28，抑菌带最大值达10.5 mm；经温室控病初筛和复筛试验，获得了对烟草赤星病有较好防效的突变菌株Des-66、Des-50，烟苗经Des-66、Des-50菌液处理3d后，接种Tbs3的防治效果达52.0％、56.6％，比出发菌株Ata28的防治效果好。

The biological activity of fenoxicarb on tobacco beetle larvae was with dropping method,and the control effect was experimented in laboratory and store house.

采用点滴法测定了&双氧威&对烟草甲幼虫的生物活性，同时进行了室内防治试验和实仓防治试验。

Seed treatment is and important measure to control root rot of soybean,but there were two problems: the first one was to have effective fungcide;the second was how to keep sufficient dosage on soybean seeds.

在防治大豆根腐病的研究中，通过种子处理防治大豆根腐病的研究，应是一个主要内容、但首先遇到的问题有二：一是有效的药物，二是能使大豆种子上带有足够药量的方法。

The single plant yield seed number per plant and pod number per plant in controlled plot were also higher significantly than...

在盆栽条件下，未经防治的豆株其叶片蒸腾强度、豆荚呼吸强度较经过防治的豆株为高。

The fluctuation of whitefly on poinsettia was studied by investigated the number of whitefly during different stages of growth period of poinsettia. The optimization comprehensive measures were studied by comparing the control effect on whitefly during different stages by different methods.

方法］调查&一品红&不同生育生长期内烟粉虱的数量，研究其消长；比较不同处理在不同时期对烟粉虱的防治效果，研究优化综合防治措施。

Prescription of CIO drug prophylaxis should be based on advancing age and regardless of sex of patients.

医疗人员对於两性的CIO药物防治应该等同视之，年龄愈大更应积极防治。

This paper reviews the biological characteristics, distribution, and utilization of water hyacinth with the aim of discovering economically feasible means of control and utilization that may bring both ecological and economic benefit.

就水葫芦的生物学特性、分布、防治措施及其利用的研究进行综述，旨在找出经济合理的防治和利用措施，以期达到较高的生态效益和经济效益。

The article research of exploit coal mine, lay down the plan about exploit design and prevention and cure water, the result is well.

文章通过对团柏矿下组煤开采的可能性进行研究，制定出了开采设计方案和防治水工作方案以及防治水措施，经过认真组织实施，取得了较好的效果。

Because houseflies keep in touch with mankind closely and it likes moving indoors, people pay close attention to it and study it.

研究家蝇的抗药性防治策略，是制定防治对策的科学依据。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。