搜索结果: 1-15 共查到“农学 Amaranthus”相关记录20条 . 查询时间(0.074 秒)
[目的] 比较高积累型苋菜品种Tianxingmi与低积累型苋菜品种Zibeixian在Cd胁迫下Cd吸收转运特征差异性，揭示苋菜品种Tianxingmi高积累镉的机理。[方法] 采用水培试验，添加代谢抑制剂来研究两品种苋菜根系吸收Cd的主要途径。分别在30 μmol/L CdCl2处理4 h、8 h、16 h、1 d和2 d采样测定，采用非损伤微测技术（Non-invasive micro-te...
Herbicide Program Approaches for Managing Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) and Waterhemp (Amaranthus tuberculatus and Amaranthus rudis) in Future Soybean-Trait Technologies
Herbicide-resistant crop traits herbicide-resistant weeds
2015/12/23
Herbicide-resistant Amaranthus spp. continue to cause management difficulties in soybean. New
soybean technologies under development, including resistance to various combinations of glyphosate,...
Palmer Amaranth (Amaranthus palmeri): A Review
Biology genetics physiology herbicide resistance
2015/12/23
In little over 20 yr, Palmer amaranth has risen from relative obscurity to its current status as one of the most widespread,
troublesome, and economically damaging agronomic weeds in the southeastern...
Palmer Amaranth (Amaranthus palmeri) Damage Niche in Illinois Soybean Is Seed Limited
Common garden experiment, genetic and environmental variation geographic range expansion global change weed–crop interference
2015/12/21
Palmer amaranth, a dioecious summer annual forb, originating in Sonoran desert washes, compromises crop yields in much of the southern United States and its range is expanding northward. Appropriate t...
A Waterhemp (Amaranthus tuberculatus) Population Resistant to 2,4-D
Herbicide resistance auxinic herbicides growth regulator herbicides
2015/12/21
A waterhemp population from a native-grass seed production field in Nebraska was no longer effectively controlled by 2,4-D. Seed was collected from the site, and dose-response studies were conducted t...
Population dynamics of Chaetocnema tibialis Illiger and Phyllotreta vittula (Redtenbacher) on the weed Amaranthus retroflexus L. and cultivated Amaranthus caudatus L.
Amaranthus flea beetles Chaetocnema Phyllotreta
2015/2/6
In 1995–1997, the population dynamics of the flea beetles Chaetocnema tibialis and Phyllotreta vittula, associated with Amaranthus retroflexus (wild species) and Amaranthus caudatus (cultivated specie...
The effects of reduced doses and application timing of metribuzin on redroot pigweed (Amaranthus retroflexus L.) and wild mustard (Sinapis arvensis L.)
Dose-response curve metribuzin minimum dose satisfactory control efficiency weed development stage
2010/10/29
Minimum doses of metribuzin that provide satisfactory control (>90%) of redroot pigweed (Amaranthus retroflexus L.) and wild mustard (Sinapis arvensis L.), 2 troublesome weeds of potato crops planted ...
AIR TEMPERATURE AND SUNLIGHT INTENSITY OF DIFFERENT GROWING PERIOD AFFECTS THE BIOMASS, LEAF COLOR AND BETACYANIN PIGMENT ACCUMULATIONS IN RED AMARANTH (Amaranthus tricolor L.)
Amaranthus tricolor air temperature sunlight intensity
2010/12/8
The objectives of this study were to determine the effects of daily air temperature and sunlight intensity variations on biomass production, leaf color and betacyanin accumulations in red amaranth (Am...
Vermicompost as a soil supplement to improve growth and yield of Amaranthus species
Organic waste vermicompost growth physical parameters biochemical parameters
2010/11/15
The present study aims at assessing the efficacy of vermicompost produced from organic waste
over chemical fertilizer by applying it to Amaranthus species. Estimation of vermicompost composition reve...
镉超富集苋菜品种（Amaranthus mangostanus L.）的筛选
苋菜 镉 超富集 生物修复
2009/8/31
【目的】苋菜在中国的分布很广，品种资源丰富。通过筛选耐镉苋菜品种，发掘镉污染土壤植物修复资源。【方法】采用溶液培养方法，从来自不同生态区域的23个苋菜品种（Amaranthus mangostanus L.）中筛选出具有镉超富集能力的品种;采用赤红壤、黄棕壤、菜园土进行盆栽试验，研究苋菜在土壤Cd浓度分别为5、10、25 mg?kg-1时，对镉污染土壤的修复潜力。【结果】在溶液Cd浓度3 mg?L...
Effect of Mechanical Stimulation on the Growth of Amaranthus spp
Mechanical Stimulation Growth of Amaranthus spp
2009/7/30
Effect of Mechanical Stimulation on the Growth of Amaranthus spp.
Distribution of Glyphosate-Resistant Palmer Amaranth（Amaranthus palmeri）in Georgia and North Carolina during 2005 and 2006
Glyphosate-Resistant Palmer Amaranth Georgia North Carolina
2009/4/30
Glyphosate-resistant Palmer amaranth biotypes have been confirmed in Georgia and North Carolina. A survey was conducted in both states to determine distribution of the resistant biotype(s). Knowledge ...
Interruption of the Homing Events of Phytopathogenic Aphanomyces cochlioides Zoospores by Secondary Metabolites from Nonhost Amaranthus gangeticus
Aphanomyces cochlioides motility inhibitor nonhost resistance nicotinamide
2009/3/6
On the screening of 200 nonhost plants, an Amaranthus gangeticus extract was found to attract and subsequently inhibit the motility of Aphanomyces cochlioides zoospores. The attractant was identifie...
Effect of proportion of component species on the productivity of Solanum aethiopicum and Amaranthus lividus under intercropping
Garden egg (Solanum aethiopicum) spleen amaranth (Amaranthus lividus) proportion of component species plant population
2009/3/4
In central Uganda, ‘garden egg’ (Solanum aethiopicum) is commonly intercropped with ‘spleen amaranth’ (Amaranthus lividus) but the productivity of this mixture is unknown. The objective of the exper...
Soil moisture distribution pattern in Amaranthus cruentus field under drip irrigation system
Irrigation moisture deficit hydraulic charge moisture storage root zone
2009/3/4
The status, availability and distribution of moisture distribution within a crop’s root zone depths affect the yield and growth of crops. An experiment was carried out to determine the influence of ...