歐美楊,Populus euramericana英語短句,例句大全

歐美楊,Populus euramericana
1)Populus euramericana歐美楊
1.Influence of FA on Photosynthesis and Transpiration Rate of Populus euramericana;黃腐酸對歐美楊光合及蒸騰速率的影響
2.Melanpsors magnusiana of more than 20 clones of Populus euramericana during their secdling was investigated and results are as follows:Melanpsors magnusiana of 6 clones etc.本文對20種歐美楊雜種無性系苗期葉銹病進行了調查,結果表明:L-B1和L-B2等6個品種苗期葉銹病危害較重,感病指數都超過20%,其中L-B1感病指數高達78 7%;采用70%甲基托布津防治葉銹病防治效果達50%以上,其中70%甲基托布津1 800防治L-B1葉銹病最好,效果高達83 2%。

英文短句/例句

1.Distribution Pattern of Growth Strain of Poplar 107 Clone Tree (Populus ×euramericana cv. Neva)歐美楊107楊立木生長應變分布規律
2.Study on the Effect of Fertilization on the Growth of P.×euramericana in Reclaimed Area by Coal Ash粉煤灰復田立地歐美楊施肥效應研究
3.Study on Nutritional Diagnosis of Populus×euramericana in Reclaimed Area by Coal Ash粉煤灰復田立地歐美楊營養診斷研究
4.Contrastive Study on New Breeds of Occidental Poplar in North Henan豫北地區歐美楊新品種對比試驗研究
5.Seedling Measurement of New Clones of European-American Poplar for Pulp Wood歐美楊紙漿材新無性系苗期測定報告
6.Optimized Tissue Culture to Poplar and Chitinase Gene Transformation of Populus×Euramericana cv. Guariento ;楊樹組培和歐美楊108無性系幾丁質酶基因轉化研究
7.A Study on Fertilizer Requirement Characteristics and Rational Fertilization Techniques of Populus×Euramericana Cv. '74/76' Cutting Stock歐美楊107楊扦插苗需肥規律和合理施肥技術研究
8.Comparative Studies on the Lignin Structures in Normal Wood and Tension Wood of Populus × euramericana cv."74/76"歐美楊107楊正常木與應拉木木素結構的比較研究
9.Multi clone admixture planting of Carolina poplar in protective belt along the Changjiang River長江護岸林歐美楊無性系混合造林研究
10.Tissue Culture and Regeneration of Poplar (Populus. Deltoides×P.nigra) and Genetic Transformation of Trx Gene;歐美楊組培體系的建立和Trx基因的遺傳轉化
11.Study on Pulp Properties of Populus×euramericana cv. 74/76 in Different Soils in ASAM Pulping and Bleaching;不同立地條件歐美楊107 ASAM制漿漂白性能研究
12.The Selection of Genetic Transformation System of Populus Nigra×P.deltoids "108" and Its Resistance to Insects歐美楊108號遺傳轉化條件篩選及抗蟲性測定
13.Effect of different treatments on the cuttage survival and seedling growth of populus×euramericana不同處理對歐美楊扦插成活和苗木生長的影響
14.Optimize on Populus Euramericana 108 Regeneration System and Study on TCS Gene Transformation歐美楊108再生體系的優化及轉天花粉蛋白基因的研究
15.Studies on Seedling Growth and Stress Resistance Modification Technique for Cotinus Coggygria Atropurpurea and Populus Euramericana in Greenhouse;紅櫨歐美楊溫室苗木生長與抗逆性調控技術研究
16.Study on Chimeric Gene of Spider Insecticidal and Bt Transformation for P.nigra×P.deltoids "108";歐美楊108號轉蜘蛛殺蟲肽+Bt毒蛋白嵌合基因研究
17.Transformation of Populus Euramericana with CpTI Gene and Chitinase Gene;豇豆胰蛋白酶抑制劑基因及幾丁質酶基因轉化歐美楊的研究
18.THE ESTABLISHMENT OF IN VITRO REGENERATION SYSTEM ON POPULUS EURAMERICANA ′NEVA′歐美107楊組織培養再生系統的建立

相關短句/例句

Populus×euramericana歐美楊
1.The radial variation patterns of wood density in 17 Populus×euramericana clones were studied by x ray wood densitometry.以微密度分析對１７個歐美楊無性系木材密度徑向變異模式進行了初步研究。
2.The effect of different treatments on the cuttage survival and seedling growth of Populus×euramericana was studied.研究了幾種處理對歐美楊扦插成活和苗木生長的影響,結果表明:生根粉處理不僅能促進插條生根,提高成活率,而且對于促進苗木的加高、加粗生長效果更為顯著,其中以100mg/kg處理效果最好;不同插穗長度對歐美楊扦插成活和苗木生長的影響,以20cm,18cm,15cm3個處理效果較好,且三者之間沒有顯著差異;扦插密度的影響,以株行距30×50cm效果最好。
3)Poplar[英]['p?pl?(r)][美]['pɑpl?]歐美楊
1.Tissue Culture and Regeneration of Poplar (Populus deltoides×P. nigra);歐美楊“山地1號”組織培養再生系統的建立
2.The development of poplar can promote the development of rural economics,make local farmer become rich.歐美楊生長快 ,成材早 ,經濟價值高 ,是湖區造林的主要樹種。
4)Populus×euramericana cv."74/76"歐美楊107楊
1.Morphological Analysis of the Fibers of Populus×euramericana cv."74/76";歐美楊107楊木材纖維形態分析
5)Populus×euramericana Neva歐美楊107
1.Through seedling breeding experiments for five years,cross-regional introduction of two poplar hybred cultivars,Populus×euramericana Neva (Num.在慶陽地區經過5年的育苗引種試驗,成功實現了歐美楊107號和108號的跨區域引種,結果表明:歐美楊107、108引種扦插當年成苗率達到96%以上;三年苗高107號在5。
2.Populus×euramericana Neva is an outstanding material for genetic breeding research and a favourite cultivar for paper industry and environmental protection which is propagated in North and Northeast of China.在我國北方推廣種植的歐美楊107是優良紙漿材和生態防護林品種,是基因工程育種研究中的優良材料。
6)Populus euramericana歐美黑楊
1.Study on the influencing factors of callus inducement and plant regeneration of Populus euramericana in vitro;歐美黑楊離體再生途徑及影響因子的研究