搜索结果: 1-15 共查到“植物保护学 Emergence”相关记录18条 . 查询时间(0.159 秒)
Inhibiting effect of shallow seed burial on grass weed emergence
weed control seedling emergence
2016/2/22
The efficacy of superficial tillage as a sustainable tool to reduce the emergence of Digitaria sanguinalis, Setaria viridis, and Sorghum halepense was evaluated with field experiments. Seeds were buri...
Seedbank and Field Emergence of Weeds in Glyphosate-Resistant Cropping Systems in the United States
Community structure corn cotton glyphosate-resistant multivariate analysis Non-metric Dimensional Scaling
2015/12/21
A segment of the debate surrounding the commercialization and use of glyphosate-resistant (GR) crops focuses on the theory that the implementation of these traits is an extension of the intensificatio...
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...
Prediction of Adult Western Corn Rootworm (Diabrotica virgifera virgifera LeConte) Emergence
corn insect pest Zea mays L.
2015/3/10
The sum of effective temperatures (SET) of adult western corn rootworm (WCR) occurrence was determined
based on several criteria. The risk of WCR occurrence was mapped, and the areas of continuous r...
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 emergence of a atrazine resistant black nightshade (Solanum nigrum L.) biotype and molecular basis of the resistance
black nightshade Solanum nigrum L. resistance atrazine chlorophyll fluorescence emergence genetic variation
2015/1/30
Seeds from atrazine resistant plants of black nightshade (Solanum nigrum L.) were collected at the railway station Prague-Vršovice, seeds from susceptible plants in Vyšehořovice (Prague...
EFFECT OF A NEW POST EMERGENCE HERBICIDE APPLICATION IN COMBINATION WITH UREA ON GROWTH,YIELD AND WEEDS CONTROL IN MAIZE,ZEA MAYS L
Zea mays weeds herbicides urea Pakistan
2009/9/29
A study was conducted at the Institute of Soil and Environmental Sciences, University
of Agriculture, Faisalabad, Pakistan during 2005. In this study effectiveness of various
doses of a new post-eme...
Distribution in Emergence of Recent Troublesome Paddy Weeds (Monochoria korsakowii Regel et Maack and Scirpus juncoides Roxb. var. ohwianus. T. Koyama) and Their Control by Non-Sulfonylurea Herbicides
Weed Herbicide Paddy field Rice Sulfonylurea Resistance Emergence Distribution
2009/7/9
The development of sulfonylurea-herbicide (SU) resistant biotypes of Monochoria korsakowii Regel et Maack and Scirpus juncoides Roxb. var. ohwianus. T. Koyama as troublesome paddy weeds in Hokkaido re...
Weed control by two layer ploughing and post-emergence crop tillage in spring wheat and buckwheat
non-chemical weed control two-layer ploughing post-emergence crop tillage weediness spring wheat buckwheat organic agriculture
2010/1/19
Experiments were carried out at the of the Lithuanian
University of Agriculture in the period of 20022003. The aim of the work was to investigate
elements of non-chemical weed control methods a...
Weed emergence and survival in spring barley.
Effects of fertilizers on the emergence of Monochoria vaginalis var. plantaginea
Monochoria vaginalis var. plantaginea promotion of emergence fertilizers nitrogenous fertilizers
2009/3/11
Effects of fertilizers on the emergence of Monochoria vaginalis var. plantaginea.
Effect of emergence times and shading conditions on growth, seed production, and seed size of tropical spiderwort（Commelina benghalensis L.）
Commelina benghalensis seed size emergence time shading seed production
2009/3/11
We investigated the seed size, growth, and seed production of tropical spiderwort (Commelina benghalensis L.), an annual weed in the Commelinaceae, under different emergence times and shading condit...
Emergence and control of naturalized weeds, Barbarea vulgaris R. Br., Anthemis cotula L., and Matricaria inodora L., in soybean-wheat relay-intercropping system
soybean-wheat relay-intercropping system foliar applied herbicide inter-row cultivation
2009/3/10
Emergence and control of naturalized weeds, Barbarea vulgaris R. Br., Anthemis cotula L., and Matricaria inodora L., in soybean-wheat relay-intercropping system.
Emergence pattern and seed dormancy of Aeschynomene indica L. in paddy field
Aeschynomene indica L emergence pattern buried seed dormancy awakening
2009/3/10
For understanding emergence ecology of Aeschynomene indica L., change of plants number in paddy field and dormancy of seeds buried or placed on soil surface were examined. The results were as follow...
Emergence and control of naturalized weeds, Barbarea vulgaris R. Br., Anthemis cotula L., and Matricaria inodora L., in wheat fields in northern Tohoku, Japan
Emergence and control naturalized weeds Barbarea vulgaris Matricaria inodora
2009/3/10
This research was conducted from 1994 through 2002 in the northern Tohoku region of Japan to determine the influence of herbicide application and timing and inter-row cultivation on the control of 3...