1) top-cutting by stages
分期打顶
2) topping period
打顶期
1.
Study of the best topping period of new variety Yanshai 6 of Sun-cured Tobacco;
晒红烟新品种延晒六号的最佳打顶期研究
3) topping stage
打顶时期
1.
Effects of plant density and topping stage on the yield and quality of flue-cured tobacco variety Yunyan 85;
种植密度、打顶时期对云烟85烟叶产量及质量的影响
4) Topping
[英]['tɔpɪŋ] [美]['tɑpɪŋ]
打顶
1.
Changes of Routine Chemical Components in Burley Tobacco from Topping to Curing;
打顶至调制结束白肋烟常规化学成分的变化
2.
Effects of applying auxin and potassium fertilizer on root characters and leaf quality of flue-cured tobacco after topping;
打顶后施用生长素和钾肥对烤烟根系性状及品质的影响
3.
Effect of topping on the root activity and endogenous hormone content of cigar wrapper;
打顶对烟株根系活力及内源激素含量的影响
5) decapitation
[英][di,kæpi'teiʃən] [美][dɪ,kæpə'teʃən]
打顶
1.
[OBJECTIVE]Effects of decapitation and plant growth regulator on plant growth,endogenous hormones and N,K accumulation were examined within 2 weeks.
【研究目的】该文探讨了打顶初期2周内打顶和植物生长调节剂对烤烟生长、内源激素和氮钾累积的影响。
2.
Compared with the conventional decapitation practice,smearing with 3×10~(-2) mmol·L~(-1) NAA(α-Naphthylacetic acid) after decapitation can increase biomass of the upper part of cotton plants by recovering of apical predominance,but had no significant effect on the middle-low part of plants.
与传统打顶处理相比,打顶后涂抹浓度为3×10-2mmol。
3.
In this paper,the change of hormone and nutrient absorption of cotton in fourth leaves from the top after decapitation is analyzed.
研究棉花打顶后倒四叶内源激素和养分的关系表明:棉花打顶后,植株叶片的激素平衡关系被破坏,ABA/IAA和ABA/CTK比值上升,CTK含量下降。
6) topping
[英]['tɔpɪŋ] [美]['tɑpɪŋ]
打顶，切顶
补充资料：打顶
1.掐去某些作物的顶尖，使之增产。也称打尖。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条