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I have engaged in the research of rice stripe blight control for many years in Shanghai farm and found some problems: though there were some reports of research on rice stripe blight resistance, strategy of prevention and cure for the disease has been face to farmer mainly, while geographical location, cultivars and cultivation system adopted on the Farm all affect the effect of control. On the other hand, our Farm has paid attention to the chemical prevention and cure for rice stripe blight and ignored other measures. As for the chemical prevention and cure, phenomenon of drug-resistance and bad effect of prevention and cure existed usually.

本人在上海农场多年从事该课题研究过程中发现的问题：目前对水稻条纹叶枯病研究的报道较多，在防治对策上主要是针对农户，缺乏关于农场地域因素、品种、栽培制度等因素对水稻条纹叶枯病发生及防治的影响的报道；在水稻条纹叶枯病的防治上，农场仍是以化学防治为主，对其他防治措施还不够重视；在化学防治过程中，存在抗药性、防效不佳等问题。

The effect of potash on sheath blight and cercospora leaf spot is also quite apparent.

对鞘枯病和稻叶枯病也有明显的作用。

The fitness of saikuzuo-resistant strains of Xanthomonas oryzae pv oryzae was compared with those of phenazine oxide-resistant ones.

将水稻白叶枯病噻枯唑抗性菌和叶枯净抗性菌的适应度特性进行了比较。

The results showed: Difference of rice striper on different varieties was significant,positive correlation was between amount of hopper and rice striper generation.Late sowing and simple cutivation would be helpfull for reducing rice striper in early period.

结果表明：不同水稻品种间条纹叶枯病发病程度差异明显；而灰飞虱发生数量与条纹叶枯病的发生程度呈正相关；而推迟播期、推广轻简栽培方式有利减轻前期水稻条纹叶枯病的病情。

paraquat is one kind of weedicide that comprehensive used all over the world ,for its little pollute to the environ accept a generally welcome .but the poisoning of paraquat have become a more and more severe problem,especially in developing county.the paraquat have a hypso-toxicity to human ,its mortality is 85%~95%.it show a multisystem injury to human body but the most serious injury of the paraqat to the viscera is lung .the mechanism of damnification is the great deal of super-oxygen ion procreant by paraquat in lung .at present the best technique to the diagonose of the paraquat poisoning to lung injury is ct.

百草枯是目前全世界范围内应用最广泛的除草剂，以其对环境的低污染性而受到广泛欢迎，但是百草枯中毒也随之成为一个越来越严重的题目，尤其是在发展中国家。百草枯对人体呈高毒性，死亡率约为85%~95%。百草枯中毒表现为多系统损伤，但是对人体脏器最主要的损伤是肺损伤，损伤机制主要为百草枯在肺组织内产生的大量超氧离子。目前对百草枯中毒致肺损伤的诊断最佳的方式是CT。

Such as: cotton wilt, Verticillium wilt, damping-off, wheat, corn, stiff Miao, Miao Huang, yellow leaves, the yellow leaves of fruit trees, anthrax, early defoliation disease, melons, vegetables Peronospora class , leaf molds, spreading litter, Pseudomonas, keratophyre, withered, anthrax, the disease, black rot, soft rot, peanuts, legumes, such as stem blight significant effect.

棉花的枯萎病、黄萎病、立枯病，小麦、玉米的僵苗、黄苗、黄叶、烂秧，果树的黄叶、炭疽病、早期落叶病，瓜菜类的霜霉、叶霉、蔓枯、青枯、角斑、枯萎、炭疽、疫病、黑腐、软腐，花生、豆类的死苗、茎枯病等有显著的防治效果。

In each of the three effect factors, the main items are: crown cover—crown density and thickness of the crown; litter layer——dry weight of the litter on each unit area, thickness of the litter and the biggest amount of holding water in the litter; soil——soil porosity, soil capillary space and soil moisture content.

三层次中的主要影响因子有：林冠层——郁闭度和林冠厚度；枯落物层——单位面积枯落物干重、枯落物厚度及枯落物最大持水量；土壤层——土壤总孔隙度、毛管孔隙度及土壤含水量。

The results indicated that paraquat had a significant effect on soil microflora in thirty days. Paraquat of 0.05~5mg/kg inhibited the growth of funguses, but stimulated the growth of the population of cellulose utilizing microorganism and nitrifying bacteria. The low-density paraquat stimulated the growth of bacteria and actinomyces, but high-density paraquat inhibited their growth.

结果表明，施用百草枯对土壤微生物有明显的影响。0.05~5mg/kg的百草枯在施药后30d内，真菌种群严重被抑制；硝化细菌种群和纤维素分解菌种群均呈刺激效应；低浓度的百草枯刺激土壤细菌和放线菌种群的生长，而高浓度的百草枯则抑制其生长。

On soil fungi, Fusarium root shell mold, Rhizoctonia, Pythium, Miao-rot fungus, Corticiumpathogens have a significant effect on the damping-off,diseases, damping-off, Fusarium wilt, Verticillium, Sclerotinia, Colletotrichum, disease, dry rot, scab, Sclerotinia rot, seedling blight, stem blight, leaf blight, steep root, even the special effects for the continuous cropping obstacles.

对土壤真菌、镰刀菌、根壳菌、丝核菌、腐霉菌、苗腐菌、伏革菌等病原菌都有显著的防治效对立枯病、烂秧病、猝倒病、枯萎病、黄萎病、菌核病、炭疽病、疫病、干腐病、黑星病、菌核软腐病、苗枯病、茎枯病、叶枯病、沤根、连作重茬障碍有特效。

According to the datas from field investigation, lab experiment and slope run-off plot observation, the hydrologic functions of forest canopy, lower shrub, litters and soil layers have been studied. The canopy precipitation interception characteristic of different vegetation types have been analized. The results indicate that the broad-leaf forests and coniferous and broad-leaf mixed forests are better than phyllostachys pubescens forests and shrubs in canopy rainfall interception. And the litters water-holding ability of broad-leaf forests and mixed forests are higher than others. And the soil water-holding and infiltrating ablility of broad-leaf is good.

根据野外调查、试验及坡面径流小区的观测数据，研究了库区主要类型植被林冠层、灌草层、枯落物层和土壤层的水文功能，分析了不同降雨条件下不同类型植被的林冠截留特征，指出在林冠截留方面阔叶林、针阔混交林比楠竹林、灌丛的截留能力强；分析了库区主要类型林地枯落物层的水文功能，研究结果表明：阔叶林林地枯落物的持水能力普遍高于针叶林，而混交林枯落物的持水能力要比纯林大；林地土壤层的水文功能剖析表明：阔叶林林地土壤的持水性能较强，其林地土壤的入渗性能较好。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。