根株

To investigate the toxicity of degraders metabolites, the Microtox test and seed bioassay were measured. The results revealed that not only the toxicity of m-cresol was decreased but also the inhibition for the radical and epicotyl growth of Lactuca sativa were lowered.

降解完毕之代谢物经Microtox生物毒性测试及种子生物分析测试，结果发现接种高效能菌株可明显降低生物毒性，甚至对莴苣种子的胚根及胚茎生长不具抑制效果。

Nov.. The main symptoms of the bacterial disease on Vigna angularis were canker of stalk.The strains were straight or curved rods; polar flagellum one; Gram-negative; could infect Vigna angularis、 Glycine max、 Vigna radata、 Vigna umbellate、 Phaseolus vulgaris、 Pisum sativum、 Pisum sativum var.humlie; oxidase negative; nitrate reduction negative; 5% glucose agar mucilage positive; esculin hydrolysis positive; starch negative; milk hydrolysis positive; H_2S positive; acid from L-arabinose, D-mannose, D-galactose, cellobiose, trehalose and fructose; 5%NaCl positive; G+Cmol%-69%.

红小豆溃疡病主要症状为茎部溃疡；各菌株菌体均杆状；极生鞭毛1根；革兰氏染色阴性；人工接种能侵染多种豆科植物；好氧；氧化酶阴性；硝酸盐反应阴性；5％葡萄糖营养琼脂黏液生长阳性；七叶灵水解阳性；淀粉水解阴性；牛奶分解产碱；产生硫化氢；能从阿拉伯糖等产酸；最大耐盐量为5％；G+Cmol％为69％等特征，根据《手册》9th ed相关部分，确定该病由野油菜黄单胞菌苜蓿致病变种Xanthomonas campestris pv.alfalfae(Riker，Jones et Davis 1935)Dye 19781引起。

An Aspergillus sp. strain F3 was isolated and identified from the rhizosphere soil of mangrove plant, Rhizophora stylosa Griff in Dongzhai harbor mangrove forest conservation in China. In this study, the effects of media salinity and pH on the mycelial biomass and the ability of producing antibacterial metabolites from this isolate were carefully analyzed.

本研究考察了一株从中国海南东寨港红树林保护区的红海榄根际土壤中分离得到的曲霉属真菌F3在不同盐度和pH的SDA培养基中的生长和分泌抗菌活性代谢产物的变化。

With semi-lignified branches of 2-year-old C. surattensis, that haleness and no diseases and pests as the materials, and treatment with clean water as CK, the effects of 250, 500, 1000 mg/L indole butyric acid and 250, 500, 1000 mg/L naphthalene acetic acid on survival rate, plant height, average rooting number and root length of shoot were studied.

方法］以生长健壮、无病虫害2年生黄花槐的半木质化枝条为材料，以清水处理为对照，研究250、500、1000 mg/L吲哚丁酸和250、500、1000 mg/L萘乙酸处理对枝条成活率、株高、平均生根数及根长的影响。

The main results were as follows: with the evolution of Indicia rice varieties, Methane transport rate of plant increased, the root oxidizes increased gradually.

结果表明：在品种演进过程中，稻株甲烷传输速率逐渐增大(南京1号偏小除外)，根氧化力与甲烷传输速率趋势一致。

The results showed that callus started forming at root segments from buds of potato cultivar: Ingush No.5 and Ingush No.8 in greenhouse cultured 45d after placement on culture medium: MS+2,4-D 2mg/L+BAP 3mg/L+NAA 0.5mg/L+sucrose 30g/L+agar 7g/L and diffused light.

结果表明，青薯5号和青薯8号温室生长幼芽根组织接种MS+2，4-D 2mg/L+BAP 3mg/L+NAA 0.5mg/L+蔗糖30g/L+琼脂7g/L培养基上散光条件下培养45~90d产生愈伤组织，诱导率为0.024%；青薯5号愈伤组织接种1/2MS+2，4-D 0.5mg/L+BAP 2mg/L+KT 2mg/L+GA30.5mg/L+ZT0.2mg/L+蔗糖20g/L+琼脂7g/L培养基上培养80d分化出再生植株，分化率为6.25%，再生植株切成一叶茎段接种于MS+BAP 0.1mg/L+IAA 10mg/L+GA30.1mg/L+白糖30g/L+琼脂6g/L培养基上培养3周长成株高8~10 cm、叶7~10片、叶色深绿和根系发达的小植株。

Can be absorbed through root, leaf and conduct entire individual plant.

能通过根。叶吸收并传导全株。

Plant height, leafstalk length, leaf length, leaf width and leaf thickness of water hyacinth did not vary significantly at the range of pH 3.5 to 9.0, while root length, stolon length and root vigor declined obviously with the increasing pH.

随营养液pH值升高，水葫芦的相对生长率从6.12倍降到3.08倍。pH值在3.5—9.0之间，水葫芦株高，叶柄长度，叶片的长度、宽度和厚度在不同酸度条件下无显著差异，根长、茎长和根系活力随pH升高明显下降。

There are the feelings of shy, confused, object, dislike at young girl's menarche.

她的绘画里，有代表男根的强壮的株型，也有代表女性的柔美的圆形。

Virulence Difference of Biocontrol Bacteria J352 to Diffenent Nematodes WANG Yuan-yuan, DUAN Yu-xi, WANG Xu, CHEN Li-jie (Plant Nematology Laboratory, Shenyang Agricultural University, Shenyang 110161, China) Abstract: A bacterium J352 with antagonism to several pathogens was obtained from rhizosphere of cucumber. The effects to different nematodes were test by strain J352 fermentation broth with different concentration.

生防细菌J352对不同种类线虫的毒力差异王媛媛，段玉玺，王旭，陈立杰(沈阳农业大学植物保护学院线虫学研究室，沈阳 110161)摘要：从黄瓜根际分离获得一株对多种病原真菌有较强抑制作用的细菌，用该细菌不同浓度的发酵液测定了对4种线虫的作用。

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。