dieback (of forest species)是什么意思

网络释义

用法例句

Through test on the seedling of pines indoor and outdoor,the antagonistic strain NA which had strong biocontrol effect against Sphaeropsis sapinea was obtained.

从松树叶面分离到1批拮抗细菌,经过室内外活体接种防病试验,最终筛选出1株对松枯梢病表现出良好防病潜能的生防菌株NA。

By the dural culture method on PDA plates with pathogens,16 bacteria isolates had strong antagonism against Sphaeropsis sapinea.

采用组织分离法和平板系列稀释法,从健康和感染松枯梢病的松树针叶上分离叶栖细菌891株。

Through collecting,isolating and cultivating the pine phyllosphere microbes,several isolates were selected to test their antagonistic effect to Sphaeropsis sapinea and Pestalotiopsis sp.

采用组织分离法从健康的和感染松枯梢病的松树针叶上分离了叶栖微生物1 862株。

Occurrence regularity and control experiment of shoot wilt in Phyllostachys prominens;

高节竹梢枯病发生规律及防治试验

Pine die back and brown spot needle blight disease(caused by Diplodia pinea and Lecanostica acicola) are two most destuctive diseases and impedes efficient management of Loblolly( Pinus taed L.

南京老山林场火炬松、湿地松种源试验林在１０ａ生时（１９９１年）开始感染松枯梢病和松针褐斑病，病情日趋严重，在１３ａ生（１９９４年）和１５ａ生（１９９６年）时两次重复测定感病和生长变异，火炬松不同种源感病和生长变异均极显著，两者间及年度间相关极显著。

INFECTION AND EPIDEMIOLOGY OF SHOOT BLIGHT OF PINUS SYLVESTRIS VAR.MONGOLICA;

樟子松枯梢病侵染与流行规律的研究

Prevention Method and Morphological Characteristics Dried up Die back of Larix

落叶松枯梢病的形态特征及防治方法

Effect of Chaetomium cochliodes on the Pathogen of Sphaeropsis sapinea Blight of Pinus sylvestris var

螺卷毛壳对樟子松枯梢病病原菌的影响

Study on the Epidemiology and Forecast Technology of Shoot Blight of Pinus Sylvestris;

樟子松枯梢病流行规律和测报技术的研究

Biocontrol and Molecular Diagnosis of the Larch Shoot Blight

落叶松枯梢病的生物防治与分子检测初步研究

Research on the Inhibiting Substances of Hypoxylon Perforatum and Their Effects on Sphaeropsis Sapinea

炭团菌抑菌活性成分及其对松枯梢病菌的影响

Effects of Toxic Mushroom Strains and Their Extractions on Pathogen of Shoot Blight on Pinus Sylvestris Var. Mongolica;

毒蘑菇菌株及其提取物对樟子松枯梢病病原菌的影响

Study on Relationship between Sphaeropsis Sapinea and Cephlca Kunyushanican Xiao with Stand Site Factors in Kun Yu Mountain;

昆嵛山松枯梢病及腮扁叶蜂与林分立地因子关系的研究

Antifungal sctivities and stability of extracts from culture liquid of Hypoxylon perforatum to Sphaeropsis sapinea

炭团菌提取物对樟子松枯梢病菌的抑菌活性及稳定性

Research on the Antifungal Activities and Stability of the Extracts from Culture Liquid of Hypoxylon perforatum to Sphaeropsis sapinea

炭团菌提取物对樟子松枯梢病菌的抑菌活性及稳定性研究

Studies on Anti-drought and Resistence to Sphaeropsis Sapinea of Pine Seedlings Treated with Water-Retaining-Agents;

保水剂对松苗抗旱及与抗松树枯梢病关系的研究

Pathogen and occurrence regularity of Bambusa ervariabilis×Dendrocalamopsis daii blight

撑×绿杂交竹梢枯病病原及发生规律研究

Screening,Identification and Fermentation Conditions Optimization of Antagonistic Strain 6-59 of Bacillus megaterium against Ceratosphaeria phyllostachydis

毛竹枯梢病拮抗细菌分离鉴定及其拮抗物质

Research on Survey and Space Distribution of Bambusa pervariabilis×Dendrocalamopsis daii Blight

撑×绿杂交竹梢枯病调查及空间分布型研究

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

Study on Biological Control of Pine Needle Blast with Gliocladium Virens and Bacillus Firmus;

绿粘帚霉与坚强芽孢杆菌对松赤枯病生物防治的研究

To be affected by dieback.

枝叶枯萎受顶枯病影响

EAG Response of Dioryctria Pryeri Ragonot to Volatile Components from Chinese Pine Cone;

松果梢斑螟对油松球果挥发物的EAG反应研究