【摘 要】
:
菊花的常规繁殖方法是技插法,但笔者经过几年的实验观察,发现枝插繁殖存有一定的不足之处。一是有一些高杆品种本身一般节间较长,成活的扦插苗经几次摘心后分技部位较高,既影响美
【机 构】
:
山东省诸城市教师进修学校,山东诸城师范学校!262200
论文部分内容阅读
菊花的常规繁殖方法是技插法,但笔者经过几年的实验观察,发现枝插繁殖存有一定的不足之处。一是有一些高杆品种本身一般节间较长,成活的扦插苗经几次摘心后分技部位较高,既影响美观,又不易培育矮本菊;二是很多难祭品种不易产生脚芽,可取插条少,一盆种菊连同项梢在内,?
Chrysanthemum conventional breeding method is technical interpolation method, but after several years of experimental observation, I found there are some deficiencies in the branch inserted reproduction. First, there are some high-rod varieties of their own internode longer, the survival of the cuttings after several times topping higher technical divisions, both affect the appearance, but also not easy to cultivate dwarf chrysanthemum; the second is difficult to produce a lot of refractory varieties of foot buds , Desirable cuttings less, a pot of chrysanthemum along with the entry, including?
其他文献
Natural protoberberine (bis-benzyl-isoquinoline) alkaloids are widely used in the therapy of various diseases in folk medicine in West Africa.When extracted
西瓜伏播秋收是近年来试验成功的一种栽培新模式,它能使西瓜的供应期延长两个月左右,既调节了西瓜的均衡上市,又增加了经济效益。其技术要点是:1、整地做畦伏播西瓜要选择地势
□虽然他曾投注过心血的万通新世界、筑巢网和北京万达广场使他有了名气,但他却一贯低调行事,拒绝浮躁。□虽然置身于热闹非凡的房地产市场,他却誓言将重登讲台。□教师、工
目的 探究Twinfilin-1(Twf-1)基因对H9C2心肌细胞凋亡和增殖的影响.方法 构建Twf-1 siRNA、pCXN2-Flag空质粒、pCXN2-Flag-h Twf-1过表达质粒,将实验用H9C2心肌细胞分为5组,
苹果树春季管理不仅是夺取全年果品优质高产的关键 ,而且还影响着次年花芽的形成。因此必须加强以下几方面的管理。一、肥水管理春季苹果树从萌芽到新梢的生长 ,是果树各器官
华北地区芹菜栽培以实心品种为主 ,但有的种植出现空心现象 ,影响了产品品质、产量和收入。有人认为是种子问题 ,但由于栽培环境条件不良和管理技术不当 ,优良的实心品种种子
Non-traumatic and traumatic damages to the central nervous system (CNS) lead generally to irreversible losses of sensory and/or motor functions.In most case
The growth hormone (GH)/insulin-like growth factor axis plays a central role in the regulation of longitudinal growth.However,on closer inspection it is obv
Over the past two or three decades molecular biology has facilitated cancer drug discovery in several important ways,particularly the recent development of
目的:观察内镜下止血联合抗幽门螺旋杆菌(Hp)四联疗法治疗胃溃疡合并出血的效果及对患者Hp根除率和不良反应的影响。方法:抽取2018年1月至2019年12月于漯河医学高等专科学校