As well as direct interaction and disturbance, avoidance of interspecific chemical cues and resource competition have the potential to alter pollinator foraging movements. Global human population growth is putting greater pressure on agricultural production. There is concern over how to meet the increasing demand for food, while at the same time safeguarding ecosystems and biodiversity. In the …
Author Archives: nature2022
Most of this proposed increase is allocated to replace nearly 800 state vehicles
The Department of Education projects that enrollments will grow by 0.7 percent in the current fiscal year. The education budget request remarks that “additional funding proposed by the Governor will allow local districts and charter schools to decide how to best improve the education opportunities of their students.” As required by Amendment 23, the inflationary …
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Baseline metabolite data were z-transformed and subjected to PCA analysis
In a subsequent 2 mo study of the effects of the nutrient bar on CMR markers in individuals across a range of BMIs, only those with low inflammation at baseline as assessed by high sensitivity C-reactive protein < 14.3 nmol/L responded comparably to those in the earlier trial, with not only increased HDL cholesterol and large HDL …
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A minimum of five buffer vines were left untreated at each end of the rows
There is no evidence of GLRaV-3 transovarial passage . While laboratory-based transmission studies have been informative, there is still a need for field-based transmission experiments to accurately estimate expected vector transmission efficiency and disease incubation time within the host. Information is lacking regarding how soon disease symptoms will appear after vector-borne infections are initiated, or …
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The population estimates in all regions broadly tracked demographic trends of D. suzukii caught in traps
Our modification accounts for the effect of temperature on the survival and fertility of D. suzukii in calculating population growth of the organism. Typically, researchers have introduced elements of environmental stochasticity to matrix models to study environmental effects on population trajectories. However, our approach relies on temperature-dependent estimations of age specific fecundities and survival that are …
The influence of maceration on the amount of most volatiles depends on temperature and duration
Enhancing flowering plant richness within crop fields can benefit pollinator richness and crop pollination, as demonstrated for mango and sunflower in South Africa. Similar results were found for wild plants within watermelon and muskmelon fields in the US . In Ghana, banana intercropping with cocoa boosted pollinator abundance and cocoa pod set . A diverse set of flower species with …
Our simulation results suggest this practice would not significantly reduce CBB infestations
Direct competition occurs only among the betilids species, while indirect competition occurs with P. coffea. Gutierrez et al. considered symmetric competition among the betilids, but new data enables parametrization of asymmetric competition in dyadic contests the success rate of which depends on their biology . The different success rates are included in the model via the …
Such fruits will leave no trace and cannot be evidenced by archaeobotanical analysis
A reliable interpretation of date consumption based on the number of seeds can also be hampered by the possibility of trading crushed dates. Such dates might have been destoned, as could be demonstrated by the Kellis agricultural account book, which mentions a price of 2.5 times that of ordinary dates . Crushed dates with their …
Each treatment replication was separated by 2 m of bare soil to reduce plot interactions
Therefore, longer-term research is required to develop non-chemical alternatives, and their adaptation will require effective integration with other methods of disease, pest, and crop management . In the post-methyl bromide era, Verticillium wilt is likely to reemerge as a major disease for conventional strawberry production. The disease already is a major problem in some organic …
The last-mentioned species is often found on waste ground near a cultivated area
The earliest records from Egypt are predynastic and early dynastic. These earliest grapes originate partly from sites located in the Nile Delta , whereas others are recorded from Abydos and Naqada, located in the upper Nile Valley. This implies that either wild grapes once grew in the Nile Delta or that cultivated grapes entered Egypt …
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