搜索结果: 1-8 共查到“植物保护学 Factors”相关记录8条 . 查询时间(0.172 秒)
Effect of Some Factors on the Incidence of Choke (Epichloë typhina) in Grass Seed Stands in the Czech Republic
Dactylis glomerata Phleum pratense
2015/3/9
Choke of grasses caused by Epichloë typhina occurred in 2008 and 2009 in more than 25% of grass seed stands of
timothy (Phleum pratense and P. nodosum); a lower incidence was reported in orchar...
Soybean Pests, Their Nature of Damage and Abundance with Various Environmental Factors
Soybean Pests Nature of Damage Abundance Various Environmental Factors
2010/12/16
Soybean Pests, Their Nature of Damage and Abundance with Various Environmental Factors。
VARIETAL RESISTANCE AGAINST JASSID, AMRASCA DEVASTANS DIST. IN COTTON AND ROLE OF ABIOTIC FACTORS IN POPULATION FLUCTUATION
Gossypium hirsutum genotypes Amrasca pest resistance Pakistan
2009/9/30
Seven genotypes of cotton viz. BH-124, BH-121, BH-125, BH-147, SLH-257, SLH-244
and NIAB-98 were studied for resistance/susceptibility against jassid (Amrasca
devastans Dist.) during 2002. BH-125 sh...
ABIOTIC FACTORS EFFECT ON POPULATION FLUCTUATION OF ALATE APHIDS IN WHEAT
Triticum aestivum aphids population density temperature relative humidity Pakistan
2009/9/29
These studies were conducted at Daphar (Mandi Baha-ud-Din) and Bahawalpur
during 1997-2005 and at Ayub Agricultural Research Institute, Faisalabad, Pakistan
during 1999-2005 to determine the role of...
Effects of Cold Acclimation Factors on Pythium Snow Rot Resistance of Barley
Barley Cold acclimation Light Resistance
2009/7/8
The effects of duration and light conditions of cold acclimation (2°C,12h photoperiod) and environmental condition after cold acclimation on the resistance to Pythium snow rot in barley were studied. ...
Factors influencing the adoption of integrated pest management (IPM) by wheat growers in Varamin County, Iran
Adoption wheat disease insect weed knowledge
2010/9/10
This paper presents recent results regarding driving factors and extent of adoption of integrated pest management (IPM) techniques by wheat growers in Varamin county. By proportional random sampling, ...
Response of Exotic Invasive Weed Alternanthera philoxeroides to Environmental Factors and Its Competition with Rice
Alternanthera philoxeroides hydrophytic type environmental factor rice viability
2008/12/11
A greenhouse experiment was conducted to determine the influence of the environmental factors such as low-temperature, drought stress, salt-alkali and flooding on the survival rate, propagation rate, ...
Identification of Factors that Influence Screening for Bacterial Blight Resistance
Bacterial Blight Influence Screening Identification of Factors
2008/5/16
Inoculation of plant pathogenic bacteria in field plots has been improved by the use of organosilicone surfactants. Factors, such as cultivars, number of applications, crop stage, plant density, conce...