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The use of herbicides for weed control in direct wet-seeded rice (Oryza sativa L.) in rice production regions in the Republic of Macedonia
rice herbicides weed control yield
2015/3/3
Field trials were conducted in the Agricultural Research Institute for Rice, at two localities during 2005 and 2006. The objective of the study was to establish an appropriate weed management strategy...
Changes in weed species spectrum of perennial weeds on arable land, meadows and pastures
expansion perennial weeds
2015/3/3
Occurrence of selected perennial weeds has been monitored at control sites across the Czech Republic since 1989, and trends of their occurrence have been evaluated. The monitoring has been aimed mainl...
Effect of soil applied herbicides and depth of sowing on common cocklebur (Xanthium strumarium L.) and maize (Zea mays L.) emergence and early growth
Xanthium strumarium L. Zea mays L. herbicides
2015/3/1
Greenhouse trials were conducted during 2005 to investigate the effect of six soil applied herbicides on common cocklebur (Xanthium strumarium L.) sowed at a depth of 4 cm and 7 cm, and determine the ...
The effect of cryopreservation on germination of dandelion seeds
dandelion Taraxacum officinale weed seed freezing drying germination storage
2015/3/1
Germination experiments frequently use seeds that had been stored frozen. We investigated whether short, 5 day freezing changes percentage and rate of germination of seeds of dandelion (Taraxacum offi...
葫芦科杂草小马泡危害玉米
小马泡 危害 玉米
2017/11/14
小马泡(Cucumis bisexualis)属于葫芦科黄瓜属的一年生匍匐草本植物, 属于我国特有植物, 主要分布于江苏、山东和安徽等地, 喜生于山坡、田边和路旁。2014年作者在河北省沧州市南皮县玉米田间调查时发现了小马泡的危害。目前, 小马泡对玉米的生长构成严重影响, 常规的防除技术很难防治, 因此, 亟须制定小马泡的综合防治技术体系。
Occurrence of biotic harmful agents in Czech grass seed production (1995–2004)
grass seed weeds diseases pests external conditions
2015/2/6
In the years 1995–2004 the spectra of weeds, diseases and pests in grasses grown for seed in the Czech Republic were examined and the effect of external factors on their changes was assessed. The spec...
Harmful occurrence of Rosy rustic moth (Hydraecia micacea) (Noctuidae: Lepidoptera) on hop in the Czech Republic
hatching of caterpillars weeds parasitoids harmfulness monitoring antagonist
2015/2/2
The Rosy rustic moth (Hydraecia micacea) has been a pest of hop in Czech hop regions for a long time. It causes most severe damages in hop gardens infested by quackgrass (Elytrigia repens) on waterlog...
Origin, mechanism and molecular basis of weed resistance to herbicides
resistance to herbicides origin and spread of resistant weeds target site metabolic resistance molecular basis of resistance
2015/1/30
This review summarises information from the literature and experimental experience of the authors in research on weed resistance to herbicides. Factors conditioning the origin of resistance are descri...
First report of Ageratum conyzoides L. and Sida acuta Burm F. as new weed hosts of Tomato yellow leaf curl Tanzania virus
Tomato yellow leaf curl Tanzania virus weed hosts amplification hybridisation
2015/1/30
Tomato farms in the Dodoma region of Tanzania where a high incidence of Tomato yellow leaf curl Tanzania virus has been reported were visited to survey for weed hosts. Weeds exhibiting symptoms of inf...
Predicting Biofuel Invasiveness:A Relative Comparison to Crops and Weeds
Bioenergy invasive species weed risk assessment
2015/12/26
Concern raised against using highly competitive, exotic, large-statured, perennial grasses with fast growth rates as bioenergy crops has led to calls for risk assessment before widespread cultivation....
以5-(4-氨基苯基/苄基)-2,4-咪唑啉二酮为原料,在三乙胺或吡啶作傅酸剂的条件下与取代磺酰氯反应,得到44个新的5-(4-氨基苯基/苄基)-2,4-咪唑啉二酮芳基磺酰胺类化合物,其结构均经1H NMR、HR-MS和元素分析确证。初步生物活性测试结果表明,部分化合物对供试植物病原菌和稗草Echinochloa crusgalli显现出一定的抑制活性,其中化合物 4p 和 4u 在50 μg/m...
芳氧苯氧丙酸类（aryloxyphenoxypropionates，APPs）除草剂是一类广泛使用的乙酰辅酶A羧化酶抑制剂，可高效专一抑制禾本科杂草的乙酰辅酶A羧化酶（acetyl-coenzyme A carboxylase，ACCase）。目前已出现大量抗芳氧苯氧丙酸类除草剂的禾本科杂草，其抗性大多由叶绿体乙酰辅酶A羧化酶的羧基转移酶（carboxyltransferase，CT）功能域中的氨...
Bioenergy and Invasive Plants:Quantifying and Mitigating Future Risks
Best management plan biofuel eradication weed risk assessment
2015/12/26
The United States is charging toward the largest expansion of agriculture in 10,000 years with vast acreages of primarily exotic perennial grasses planted for bioenergy that possess many traits that m...
Landscape-Level Simulation of Weed Treatments to Evaluate Treatment Plan Options
Noxious weeds weed control weed spread modeling
2015/12/26
Models have been developed to simulate the long-term effects of weed treatments across a landscape to determine effective management strategies, but those models might not be suitable for evaluating s...