搜索结果: 1-15 共查到“植物保护学 Studies”相关记录15条 . 查询时间(0.181 秒)
Molecular Genetic and Hybridization Studies of Diorhabda spp.Released for Biological Control of Tamarix
Genital lock and key AFLP PCOA hybrid male sterility
2011/12/12
The genus Diorhabda (Coleoptera: Chrysomelidae) was recently revised, using morphological characters, into five tamarisk-feeding species, four of which have been used in the tamarisk (Tamarix spp.) bi...
Preliminary studies on incidence of insect pest on okra, Abelmoschus esculentus (L.) Moench in central Burkina Faso
Podagrica sp., okra deltamethrin Burkina Faso
2009/12/1
A field experiment was carried out in 2006 and 2007 in Central Burkina Faso to determine extent of damage and yield losses caused by insect pests occurring on okra. We set up a trial with plot of unpr...
Recent Advances in Sex Pheromone Studies on the White-Spotted Longicorn Beetle,Anoplophora malasiaca
contact pheromone hydrocarbons mating behavior
2009/9/10
Anoplophora malasiaca (Thomson) (Coleoptera: Cerambycidae) male approached the female, touched
her with his antennae or tarsi, and then held and mounted her by touching her elytra and pronotum with h...
REVIEW OF STUDIES ON CHEMICAL CONSTITUENTS AND PHARMACOLOGY OF GENUS ACORUS IN CHINA
Acorus A. tatarinowii Acori chemical constituents pharmacological studies
2009/6/1
Chemical research showed that drug Acori contain volatile oil, and that the quality of volatile oil (0.53% ~ 2.l5 % )is different based on the drug's origin. The volatile oil mainly contain β-asarone,...
Current studies on Fusarium head blight pathogens
Fusarium graminearum wheat barley Fusarium head blight mycotoxin trichothecene
2009/3/17
Current studies on Fusarium head blight pathogens.
Molecular biological studies on the invasion of velvetleaf（Abutilon theophrasti）in Japan
Abutilon theophrasti molecular biology invasion pathway exotic weeds forage crop fields
2009/3/11
Molecular biological studies on the invasion of velvetleaf (Abutilon theophrasti) in Japan.
Studies on the development of weed control method for paddy rice through the covering with tree leaves
weed control method paddy rice tree leaves
2009/3/10
Studies on the development of weed control method for paddy rice through the covering with tree leaves.
Studies on the vegetation of weeds grown in road pavement seams in Eastern Japan
road pavement seams weed vegetation eastern Japan life-form
2009/3/10
Studies on the vegetation of weeds grown in road pavement seams in Eastern Japan.
Ecological studies on Imperata cylindrica and its use in Japan
Imperata cylindrica ecology reproduction variation use
2009/3/10
Ecological studies on Imperata cylindrica and its use in Japan.
Epidemiological studies of white rust, downy mildew and Alternaria blight of Indian mustard（Brassica juncea（Linn.）Czern. and Coss.）
Disease incidence maximum minimum temperature relative humidity
2009/3/3
White rust, downy mildew and Alternaria blight caused by Albugo candida (Pers.) Kuntze Peronospora parasitica (Pers.) (de Bary) and Alternaria brassicicola (Schw.) Wiltshire respectively are impor...
Studies on weeds and their intensity, frequency and association in bean fields in Erzurum provinces
weeds bean fields Erzurum provinces
2009/1/22
This study was carried out to determine the weeds causing problem in bean with their intensity, frequency and association in Askale, Dumlu, Pasinler and Tortum Districts of Erzurum in 1990 and 1995. I...
STUDIES ON THE OCCURRENCE AND DAMAGE BY YAM TUBER BEETLES (HETEROLIGUS SPP) IN ANIOCHA AND OSHIMILI AREAS OF DELTA STATE, NIGERIA
occurrence population yam beetle
2007/3/31
A two-year (2001 and 2002) studies to evaluate the occurrence, population distribution and damage by yam beetles: Heteroligus spp was undertaken in four Local Government Areas in Delta State, Nigeria ...
STUDIES ON THE OCCURRENCE OF GRAM-NEGATIVE BACTERIA IN TICKS:IXODES RICINUS AS A POTENTIAL VECTOR OF PASTEURELLA
ticks Ixodes ricinus transmission Gram-negative bacteria
2004/12/30
A total of 372 Ixodes ricinus ticks (101 females, 122 males, and 149 nymphs) collected by flagging in 6 mixed woodlands of eastern Poland were examined by culture for the presence of internal Gram-neg...
STUDIES ON THE OCCURRENCE OF GRAM-NEGATIVE BACTERIA IN TICKS:IXODES RICINUS AS A POTENTIAL VECTOR OF PASTEURELLA
ticks Ixodes ricinus transmission Gram-negative bacteria
2004/12/30
A total of 372 Ixodes ricinus ticks (101 females, 122 males, and 149 nymphs) collected by flagging in 6 mixed woodlands of eastern Poland were examined by culture for the presence of internal Gram-neg...
PRELIMINARY STUDIES ON THE RELATIONSHIP BETWEEN IXODES RICINUS ACTIVITY AND TICK-BORNE INFECTION AMONG OCCUPATIONALLY-EXPOSED INHABITANTS OF EASTERN POLAND
Ixodes ricinus activity Borrelia burgdorferi
2001/12/30
Relative density (activity) of the tick Ixodes ricinus was determined in five districts of the Lublin region (eastern Poland) by vegetation flagging. Tick activity values were compared to the determin...