Populus alba

Establishment of system with high frequency for genetic transformation of Populus alba var. pyramidalis

新疆杨高效遗传转化系统的建立

Research on insect-resistant effect of plantations of different structure of Populus alba var. Pyramidalis in northern ningxia

宁夏北部新疆杨不同结构林分抗虫效应的调查

Using sterile aqueous solution of penicillin with 4 or 9 million units per liter and per hour to deal with polluted seedlings can effectively control the pollution of tissue culture for Populus alba.

采用400或600万单位／L的青霉素无菌水溶液处理细菌污染苗，分别浸泡60min或40min.可有效控制银白杨组织培养细菌污染。幼苗生长和产量的影响。

Seven different treatment measures are taken, aquasorb mix soil+ rooting powder, aquasorb mix soil, rooting powder dipping the root, film mulching, straw mulching, pebble mulching, film mulching+ aquasorb mix soil, and the test tree planting is populus alba.

采用了保水剂拌土+生根粉、保水剂拌土、生根粉蘸根、覆膜、覆秸秆、覆石头和覆膜+保水剂拌土七种造林技术措施，试验树种为银白杨。

Populus alba × berolinensis Practical application foreground of virescence and farmland defence in Heilongjiang

银中杨在黑龙江垦区绿化和农田防护中的应用前景

The Combining Ability Analysis and Selection of the Combination between Old Aged Germplasm and Recent Selected Superior Clones of Cunninghamia lanceolata Quadratic Selection and Popularization of Superior Clone of Populus alba × Populus bolleana

杉木古树种质与现代优良无性系杂交配合力分析与选择银×新无性系二次选优及无性系的推广

By establishing growth model of Populus alba × P. berolinensis were determined fast increment stages of the poplar: 6~ 28_ ( th) of July for height growth and the fastest day was 17_ ( th) day;

通过对银中杨林木生长模型的建立，确定出银中杨树高生长速增期为7月6日至28日，速增点为7月17日；

Acer negundo, Salix matsudana, Juniperus rigida, Fraxinus mandshurica and Ulmus pumila are frontal 5 tree species with weight value 78.14, 76.92, 75.96, 74.72 and 74.56 respectively, were used for urban protection forest; Ulmus pumila, Salix matsudana, Populus alba × P.

糖槭、旱柳、杜松、水曲柳、榆树为符合城市防护林的前五位的树种，权重值分别为78.14、76.92、75.96、74.72、74.56；

Changes in Physiological Characters of Populus alba × P. berolinensis during Adventitious Shoot Regeneration from Leaf Explants

银中杨叶片不定芽再生过程中几项生理指标的变化

Optimization of antibiotic concentration in genetic transformation of Populus alba.

银白杨遗传转化中抗生素浓度优化的研究。

Effects of Foliar Spray of Abscisic Acid on the Several Physiological Indexes of Populus alba × Populus

叶面喷施脱落酸对银中杨几个生理指标的影响

Characteristics of water consumption and utilization of Populus alba × berolinensis under water stress

水分胁迫对银中杨耗水特征与水分利用的影响