搜索结果: 1-3 共查到“农学 impatiens”相关记录3条 . 查询时间(0.093 秒)
运用扫描电镜对国产凤仙花组30种植物的花粉形态进行观察研究。结果表明：该组植物的花粉普遍表现为单粒4沟花粉，极面观多为矩圆形，具角萌发沟，表面具网状纹饰；此外，不同种花粉在大小、极面观形状、网脊形态、网眼大小、网眼内颗粒状附属物密度等性状上有明显差异，如极面观多为矩圆形，偶见近圆形、近方形等，花粉表面网状纹饰的网眼有疏密均匀和疏密不均匀两种类型，网脊边缘形状有平滑和波状，网眼内颗粒状附属物不同的密...
Emergence of quarantine Tobacco ringspot virus in Impatiens walleriana in the Czech Republic
TRSV RT-PCR quarantine pathogen
2015/7/28
Tobacco ringspot virus (TRSV) is a quarantine pathogen in Europe. During an official inspection in November 2011, Impatiens walleriana plants showing symptoms were found in a nursery in the Czech Repu...
Effects of Organic Waste Substrates on the Growth of Impatiens
Organic waste container substrate municipal solid waste compost poultry manure impatiens
2009/1/12
The use of peat and peat substitute organic wastes as substrates for container-grown flowers was studied. Peat, hazelnut husk, and maize straw were considered as support materials and MSWC (municipal ...