damping-off是什么意思

用法例句

Preliminary report of effect of controlling damping-off of cotton and tomato in seedling stage with Lijunsha drug;

利菌杀等药剂防治棉花、番茄和西瓜苗期立枯病田间药效初报

Non- Environmental Pollution Control of Damping-off of Pine Seedlings in Production;

松苗立枯病的无公害防治技术

Control of Damping-off of Pinus Massoniana with Complex Antagonistic Microbes;

复合拮抗菌对马尾松幼苗立枯病的控制

Two effective chemicals (E, F) for controlling rice seedling blight were selected.

通过几种药剂对水稻立枯病菌的抑菌试验 ,筛选出 2种效果较好的药剂。

Control trial on 3 kinds of fungi (Fusarium solani, Alternaria tenuis and Rhizoctonia solani) responsible for seedling blight of Pinus was carried out by measuring the control reval effects of 7 fungicides in various soils indoors.

采用不同土壤育苗和７ 种杀菌剂室内药效测定技术，对引起松苗立枯病的病原腐皮镰刀菌（ Ｆｕｓａｒｉｕｍ ｓｏｌａｎｉ）、细交链孢菌（ Ａｌｔｅｒｎａｒｉａ ｔｅｎｕｉｓ）和立枯丝核菌（ Ｒｈｉｚｏｃｔｏｎｉａｓｏｌａｎｉ）进行了防治试验，结果表明：不同土壤发病率为混合土５。

The seedling blight of eggplant was controlled effectively by soaking seeds with metabolite of Td31.

盆栽防病试验结果表明,木霉菌株Td31代谢产物浸种可以有效地防治茄子立枯病,用发酵液原液浸种,防病效果可达69。

Isolation and Identification of Antagonistic Bacteria Inhibiting Against Rhizoctonia solani of Cotton Rhizosphere;

两株棉花立枯病拮抗菌MH1和MH25的筛选与鉴定

Study On the Antagonism of the Fermentation Product of Trichoderma harzianum T_(2-16) Against Rhizoctonia solani in Cowpea Plant;

哈茨木霉发酵产物对豇豆立枯病的抗生作用

In pure culture,no obvious inhibition of treating trifluralin on the hyphal growth of Rhizoctonia solani,Pythium aphanidermatum and Fusarium monUtforme was observed,when the com- pound was incorporated into the culture media at 2-10 μg a.

平板试验中,氟乐灵在有效成分2～10μg/ml 的浓度下,对棉立枯病菌(Rhizoctoniasolani)、棉猝倒病菌(Pythium aphanidermatum)和棉红腐病菌(Fusarium moniliforme)的菌丝生长无明显的抑制作用。

Likuqing (38% thiram-metalaxyl) is a new type of fungicide for rice wilt control at the seedling stage.

立枯清(38%福·甲)是一种新型的防治水稻苗期立枯病药剂,水稻旱育苗防治立枯病试验结果表明,在药种比1∶200～1∶500之间防治立枯病效果为100%～89。

isolates were obtained from samples of rice wilt collected from deferent regions in Heilongjiang province.

1999～ 2 0 0 1年从黑龙江省不同地区 832株水稻立枯病病苗样品中分离获得 1318个分离物 ,经鉴定归属 7个属 12个种 ,其中Fusariumoxysporum占 19 7% ,Fusariumsolani占 2 5 9% ,Fusariumgraminearum占 17 1% ,Fusariummoniliforme占 8 2 % ,Fusariumsemitectum占 9 4 % ,Rhizoctoniasolani占 16 5 %。

isolates were obtained from samples of rice wilt collected from MiShan region in Heilongjiang province.

1999～2001年从黑龙江省密山351株水稻立枯病病苗样品中分离获得478个分离物,经鉴定归属5个属10个种,对分离频率较高的种类进行回接验证,均能引起水稻立枯病,其中Fusarium solani (Mart。

The preventing and treating techniques against larch seedling blight were studied at Lianshanguan forestry farm of Benxi county and Dagushan nursery of Anshan City in Liaoning Province from 1993 to 1998.

1993～1998年对辽宁省本溪县连山关林场和鞍山大孤山苗圃的落叶松幼苗立枯病及其防治进行了研究 ,结果表明:其致病菌是立枯丝核菌(RhizoctoniasolaniKuehn)、尖孢镰刀菌(Fusarium qxysporumSchl。

Fifty eight single spore isolations, from 354 samples of rice seedling blight in dry raised nursery, have been identified as six species of Fusarium according to their asexual stages.

对 345份采自安徽凤阳、蒙城、定远等地的水稻立枯病病样进行了分离 ,获得了 5 8个致病的镰刀菌单孢株系 ,经鉴定为 6个种 ,其中以串珠镰刀菌比例最大 ,占 6 0 。

Study on Biological Characters of Rhizoctonia solani on Rhodiola sachalinen;

红景天立枯病菌生物学特性研究

To be affected by damping off.

害立枯病受湿气过多的影响，害立枯病

Study of Prevention Effect of Fu·Jia Powder on Rice Seedling Blight

福·甲粉剂防治水稻苗期立枯病研究

Study of Fungi Causing Blight of Rice Seedlings on Dry Seedbed in Ningxia

宁夏水稻旱育秧立枯病病原菌的初步研究

Control of Damping-off of Pinus Massoniana with Complex Antagonistic Microbes;

复合拮抗菌对马尾松幼苗立枯病的控制

Control Effects of Several Fungicides Against Seedling Blight of Dichondra repens

6种杀菌剂对马蹄金立枯病的控制作用研究

Biological Characteristics and Screen of Chemical Fungicide of the Pathogen Causing Basal Stem Blight on Dianthus caryophyllus

香石竹立枯病菌的生物学特性与药剂筛选

Efficacy of 70% hymexazol WP in controlling the sugar beet damping-off

70%噁霉灵可湿性粉剂防治甜菜立枯病药效评价

Biocontrol of Rhizoctonia solani Damping-off on Cucumber Seedlings with Rhizobacteria

利用植物根际细菌生物防治黄瓜立枯病研究

Investigation on Diseases of Pinellia Ternata (Thunb.) Breit. in Guizhou, Control Technique Study of Damping-off

贵州省半夏病害种类调查及立枯病防治技术研究

The Effect of Soil Application with Calcium Oxide on Control of Damping-off and Quality of Rice Seedling;

土壤施用氧化钙防治水稻旱育秧立枯病作用及对育秧质量的影响

Isolation of Chitosanase-producing Bacteria and Its Biological Control Against Rhizoctonia Damp-off of Mungbean and Cucumber;

产壳聚糖酶细菌的筛选及其对绿豆和黄瓜立枯病的生物防治

Study on the Selection and Main Mechanisms of Trichoderma Spp.on Rhizoctonia Solani;

黄瓜立枯病拮抗木霉菌筛选及主要生防机理研究

Study on Fermentation and Action Mechanism of Trichoderma Against Rhizoctonia Solani;

木霉菌的发酵工艺及对黄瓜立枯病的生防机理研究

Effect of Different Bactericides on Seed Germination and Sugarbeet Black Leg

不同杀菌剂对甜菜种子发芽率及幼苗立枯病的影响

The Antifungal Activity Screening Test to Rhizoctonia solani Kuhn on 20 Kinds of Crude Extracts from Different Plants

不同植物的20种粗提取物对红景天立枯病的抑菌活性筛选试验

Etiology of Rhizoctonia Head Rot on Brassica Oleracea;

包菜立枯丝核菌球腐病的病原学研究

Improvement of the Bacterial Blight Resistance and Foundation of Near-Isogenic Lines of Huahui1035

华恢1035的白叶枯病抗性改良和抗白叶枯病近等基因系的建立

Establishment of Inoculation Technique and Rating System in Researching Rice Sheath Blight Resistance and Genetic Diversity Analysis of Rhizoctonia Solani Populations from Fujian

水稻纹枯病抗性评价体系建立及福建纹枯病菌遗传多样性分析