This leads to decreased levels of plastoquinone in plant tissue and reduced photosynthetic yield . Indirect inhibition of phytoene desaturase as a consequence of blocked plastoquinone biosynthesis subsequently leads to a decrease in carotenoids and consequently prevents stabilization of the photosynthetic apparatus so that chlorophyll molecules are destroyed by excessive light energy. Inhibition of HPPD…
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Optimization was an active research field many decades ago and is still today
The bio-fertilizers, being alternative low-cost plant nutrient resources have gained prime importance in recent decades and they play a vital role in maintaining long term soil fertility sustenance. The SSNM avoids indiscriminate use of nutrients by preventing excessive and/or inadequate nutrient inputs and helps to maintain soil health over a long period of time. The…
The thick mat formed by the weed covers the water surface and blocks light penetration into the water
These authors found that densities as low as 1 weed plant per linear m−1 is enough to significantly reduce crop yield. Beltrano and Caldiz found similar results, caused by different densities of Johnson grass . The latter authors found that 17, 34 and 51 plants∙m−2 of Johnson grass decreased tuber yield by 80%, 85% and…
The seed successfully recruited 26 respondents in the second wave from ten Oregon counties
The majority of marijuana use studies focus on adolescents and attempt to delineate the causal mechanisms driving initial use, though some also attempt to explain continued use ; however, studies of adults who continue to use are relatively rare. This is due, in large part, to the history of funding by federal agencies,which tend to…
Usually school-based studies usually reported higher rates
Higher rates has been reported in Benin,south-south Nigeria and Ile-Ife south west Nigeria.These studies were not only separated be several years but were also conducted in different regions of Nigeria and may suggest not only a possible decline in the use of the substance but socio-cultural influences. All these studies reported male dominance which is…
Increases in summer grassy annual density when tillage is eliminated has been shown in previous research
The higher richness and diversity in spring-summer observed for edges relative to field plots concurs with other studies which may be due to the absence of chemical control in edges as ocurred in an-other study .Crop fields are characterised by considerable herbicide applications which may partially explain why their weedy vegetation is different from edges…
Early plant height at 30 DAS appeared to be the most important trait in predicting weed biomass
The experiment was carried out at the Agronomy Field Laboratory and Weed Management Laboratory, Department of Agronomy, Bangladesh Agricultural University, Mymensingh during the period from February to June 2016. Geographically the experimental area is located at 24˚75’N latitude and 90˚50’E longitudes at the elevation of 18 m above the sea level. The experimental field was…
The over expression of androgen receptor in prostate cancer may promote cell growth
In this study, we show that cannabis extract treatment significantly down regulates protein expression of prostate CB1 and CB2. Meanwhile, Cannabis treatment not only suppresses the spheroid formation ability of prostate cancer cells but also down regulates pro-inflammatory cytokine IL-6 and chemokine IL-8, decreases secreted protein and mRNA expression of prostate-specific antigen and VEGF levels.…
Microscopy is useful for the identification and authentication of botanicals and for detecting the adulterated and poor quality
The Democratic Republic of the Congo is a country of great biological diversity and these natural products should therefore be upgraded so that they can also serve the entire rural population.It is an innovative concept, which should be developed due to the fact that currently this subject is very almost not documented and the writings…
The only definitive treatment identified for CHS is the cessation of marijuana
The wide-spread adoption of glyphosate resistant crops coupled with over-reliance on glyphosate and inadequate diversity in weed management tactics in GRCs have resulted in weed species shifts. Weed species shifts refers to a relative change in weed population or species along with late season weed emergence in an agricultural system in response to weed management…