搜索结果: 1-7 共查到“植物保护学 severity”相关记录7条 . 查询时间(0.181 秒)
Patterns and Severity of Crown Dieback in Young Even-Aged Stands of European Ash (Fraxinus excelsior L.) in Relation to Stand Density, Bud Flushing Phenotype, and Season
Hymenoscyphus pseudoalbidus crown damage
2015/3/10
The extent and temporal pattern of crown damage (attributed to Hymenoscyphus pseudoalbidus) in even-aged stands of
Fraxinus excelsior in relation to bud flushing phenotype, stand density, and season...
Severity of powdery mildew on winter barley in the Czech Republic in 1976–2005
Hordeum vulgare L. Blumeria graminis f.sp. hordei disease severity
2015/3/1
Results of scoring the reaction to powdery mildew of 240 winter barley varieties that were gradually included in 392 Czech Official Trials conducted at 21 locations were analysed. The reaction of the ...
Severity of Powdery Mildew on Spring Barley in the Czech Republicin 1971–2000
Hordeum vulgare Blumeria graminis f.sp. hordei powdery mildew disease severity
2015/1/30
Results of scoring the resistance to powdery mildew of 127 spring barley varieties that were gradually included in 923 official variety trials were analysed. The resistance of a variety was defined by...
A Practical Estimating Method of the Dose-Response Curve between Inoculum Density of Plasmodiophora brassicae and the Disease Severity for Long-term IPM Strategies
clubroot crop rotation disease control population dynamics
2010/10/25
A model was developed to evaluate long-term temporal changes in disease severity (DS) of the clubroot disease of Chinese cabbage in the field with various management strategies. The model consists of ...
Prevalence and severity of bacterial blight and anthracnose diseases of cassava in different agro-ecological zones of Nigeria
Anthracnose bacterial blight cassava Colletotrichum gloeosporioides prevalence severity
2009/3/4
Geo-referenced surveys were conducted in 2001 and 2003 to assess the prevalence and severity of cassava bacterial blight (CBB) and cassava anthracnose disease (CAD) in different agro-ecological zone...
Root-Knot Nematode Reproduction and Root Galling Severity on Related Conventional and Transgenic Cotton Cultivars
Root Galling Severity Root-Knot Nematode Reproduction
2008/5/14
The root-knot nematode (Meloidogyne incognita Kofoid & White), a widespread and serious pest of cotton (Gossypium hirsutum L.) throughout the Cotton Belt, is managed in many areas in part through cult...
Effects of fungicide application timing on the incidence and severity of Alternaria blight (Alternaria brassicae) and on the productivity of spring oilseed rape (Brassica napus L. ssp. oleifera annua Metzg.)
Alternaria brassicae oilseed rape disease incidence disease severity prochloraz tebuconazole seed yield
2010/1/13
In the year most favourable for Alternaria blight occurrence (1998), the seed yield in the untreated plots was by up to 0.07 t ha-1 lower, and the disease severity on siliques was as much as 3.2 times...