Flower Growing Articles
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Flowering phenology and synchrony between volunteer and cropped spring wheat: Implications for pollen-mediated gene flow
Genetically engineered (GE) wheat (Triticum aestivum L.) volunteers could present a problem in cultivated wheat because they may facilitate movement of a GE trait to other volunteers or non-GE wheat crops. However, volunteers can emerge periodically throughout the growing season and, thus, flowering overlap with the crop may be largely asynchronous, presenting a significant barrier to gene flow. ...
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Overexpression of AtLEAFY accelerates flowering in Brassica juncea
The floral meristem identity gene LEAFY (LFY) from Arabidopsis thaliana (L.) Heynh. can accelerate flowering in dicotyledonous plants. In this report, we raised transgenic plants of Brassica juncea (L.) Czern. cv. Varuna carrying the LEAFY gene (LFY) in sense and antisense orientation and studied the effect of modulation of LFY expression on flowering. The time required for the initiation of ...
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AFLP discrimination of native north American and cultivated hop
Hop (Humulus lupulus L.) is cultivated for the female flowers, or 'cones,' which traditionally have been used as a bittering and flavoring agent in beer. Hop breeding historically relied on relatively simple selection techniques within established breeding lines. Supplementing current breeding material with new genetic sources would enhance a hop breeder's ability to select for new traits. The ...
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A method to predict weekly strawberry fruit yields from extended season production systems
In major strawberry (Fragaria x ananassa) production areas, fruit are harvested continuously for 4 to 6 mo. During the season, weekly yields vary. To improve weekly forecasts, a yield prediction equation was developed for ‘Strawberry Festival’ using input variables derived from flower counts and temperature data over two seasons in Florida. Weekly yields are dependent on the number, size, and ...
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Construction of an intraspecific linkage map and QTL analysis for earliness and plant height in Lentil
Earliness and plant height traits are key targets in lentil (Lens culinaris Medikus) breeding and are quantitatively controlled. Recombinant inbred lines (RILs) are useful in genetic mapping studies of quantitative traits. The objectives of this study are to develop a genetic map and identify genome regions associated with earliness and plant height using RILs derived from a cross between ‘Eston’ ...
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Sowing and flowering delays can be an efficient strategy to improve coexistence of genetically modified and conventional Maize
The coexistence between genetically modified (GM) and non-GM maize (Zea mays L.) fields is subjected to regulation in several countries. A strategy to reduce cross-pollination from GM to non-GM fields was evaluated, on the basis of reducing the flowering coincidence by sowing at separate times. The trial included narrow plots in which transgenic maize was sown before, simultaneously, and after ...
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Relationships between immobilized Phosphorus uptake in two grain legumes and soil bioactive Phosphorus pools in fertilized and manure-amended soil
Mixing P-immobilizing additives with manure has raised concerns of irreversible reduction in P availability to growing crops. A potted plant growth experiment was conducted to characterize cattle manure P mineralization as modified by iron amendments and uptake by pigeon pea (Cajanus cajan L. Millsp.) and soybean [Glycine max (L.) Merr.]. Triple superphosphate, untreated, or manure amended with ...
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Model-based approach to quantify production potentials of summer maize and spring maize in the north China plain
The North China Plain (NCP) belongs to the major maize (Zea mays L.) growing areas in China. Maize yields have increased steadily since the 1980s, but in recent years average yields have stabilized around 5000 kg ha–1. The objective of this study was to quantify the production potential of summer and spring maize in the NCP. For this purpose the CERES-Maize model was calibrated and validated. The ...
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Precision application of water for peri-urban horticulture
Vegetables are grown in the peri-urban zone throughout Australia on various soil types and in various climates. In order to grow vegetables throughout the year, irrigation is generally needed to supplement natural precipitation. Peri-urban horticulture in the Sydney region supplies fresh vegetables, cut flowers, turf and other farm produce. Competition for water and environmental impacts (e.g. ...
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Behavioural and chemical ecology underlying the success of turnip rape (Brassica rapa) trap crops in protecting oilseed rape (Brassica napus) from the pollen beetle (Meligethes aeneus)
There is increasing interest in the use of trap crops as components of integrated pest management (IPM) strategies. Understanding the mechanisms underlying host plant preferences of herbivorous pests can lead to improved effectiveness and reliability of the trap crop. We investigated the behavioural and chemical ecology underlying the success of turnip rape, Brassica rapa, trap crops in ...
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Enhancement of salt tolerance in transgenic rice expressing an Escherichia coli catalase gene, kat E
Rice (Oryza sativa) is sensitive to salt stresses and cannot survive under low salt conditions, such as 50 mM NaCl. In an attempt to improve salt tolerance of rice, we introduced katE, a catalase gene of Escherichia coli, into japonica rice cultivar, Nipponbare. The resultant transgenic rice plants constitutively expressing katE were able to grow for more than 14 days in the presence of 250 mM ...
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Plant regeneration via direct somatic embryogenesis in Panax japonicus
Panax japonicus is one of the important medicinal plants. Here, we established the protocol for plant regeneration of P. japonicus via direct somatic embryogenesis. Somatic embryos were directly obtained from the segments of zygotic embryos on MS medium with 4.4 μM 2,4-D. Thereafter, somatic embryos were produced by repetitive secondary somatic embryogenesis. The secondary somatic embryo ...
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Habitat-specific responses in the flowering phenology and seed set of alpine plants to climate variation: implications for global-change impacts
The timing of the snowmelt is a crucial factor in determining the phenological schedule of alpine plants. A long-term monitoring of snowmelt regimes in a Japanese alpine area revealed that the onset of the snowmelt season has been accelerated during the last 17 years in early snowmelt sites but that such a trend has not been detected in late snowmelt sites. This indicates that the global warming ...
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Modelling Pesticide and Nutrient Transport in the Cameron Highlands, Malaysia Agro-Ecosystems
Cameron Highlands has a long history of intensive horticulture especially vegetable and flower cultivation. This industry uses large amounts of nutrients and pesticides. Several simulation models were used to assess the movement of pesticides and nutrients in relation to agronomic practices in farm plots cultivated with cabbage and chrysanthemum. It was shown that most of the pesticides are ...
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Sustainability of Current Agricultural Practices in The Cameron Highlands, Malaysia
Cameron Highlands is a mountainous region with steep slopes. Gradients exceeding 20∘ are common. The climate is favourable to the cultivation of tea, sub-tropical vegetables and flowers (under rain-shelter). Crop production is sustained by high fertiliser and manure applications. However, agriculture in this environment is characterised by high levels of soil erosion and environmental ...
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Modelling Pesticide and Nutrient Transport in the Cameron Highlands, Malaysia Agro-Ecosystems
Cameron Highlands has a long history of intensive horticulture especially vegetable and flower cultivation. This industry uses large amounts of nutrients and pesticides. Several simulation models were used to assess the movement of pesticides and nutrients in relation to agronomic practices in farm plots cultivated with cabbage and chrysanthemum. It was shown that most of the pesticides are ...
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Sustainability of Current Agricultural Practices in The Cameron Highlands, Malaysia
Cameron Highlands is a mountainous region with steep slopes. Gradients exceeding 20◦ are common. The climate is favourable to the cultivation of tea, sub-tropical vegetables and flowers (under rain-shelter). Crop production is sustained by high fertiliser and manure applications. However, agriculture in this environment is characterised by high levels of soil erosion and environmental ...
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Composed based growing and potting media source Material - Production - Market - Utilisation – Use
The increasing biological waste treatment (composting) in Germany provides now and in future sufficient quantities of composts for the most different markets. However a closed loop management is only sensible if the produced composts can be utilised in a profitable manner. For the time being the Stender GmbH, as a manufacturer of growing media, is exclusively interested in growing media quality ...
By ORBIT e.V.
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