Results 1 to 10 of about 836,425 (219)

Seed Dormancy and Soil Seed Bank of the Two Alpine Primula Species in the Hengduan Mountains of Southwest China

open access: yesFrontiers in Plant Science, 2021
The timing of germination has long been recognized as a key seedling survival strategy for plants in highly variable alpine environments. Seed dormancy and germination mechanisms are important factors that determining the timing of germination.
De-Li Peng   +3 more
doaj   +1 more source

Predicting the Emergence of Echinochloa crus-galli (L.) P. Beauv. in Maize Crop in Croatia with Hydrothermal Model

open access: yesAgronomy, 2021
Echinochloa crus-galli (L.) P. Beauv. is the most common monocotyledonous weed in maize crops in Croatia. Crop–weed interference is influenced by weed emergence patterns, and knowledge of the timing of weed emergence is crucial for the development of an ...
Valentina Šoštarčić   +5 more
doaj   +1 more source

Transient Response of Longitudinal Fins under Step Changes in ‎Base Temperature and Heat Flux using Lattice Boltzmann ‎Method [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
The present article reports the transient response of longitudinal fins having linear and non-linear temperature dependent thermal conductivity, convection coefficient and internal heat generation under two cases of base boundary condition, (i) step ...
Abhishek Sahu, Shubhankar Bhowmick
doaj   +1 more source

Effect of Different Temperature Regimes on the Germination of Pseudolysimachion pusanensis (Y. N. Lee) Y. N. Lee Seeds

open access: yesHorticulturae, 2021
In this study, we determined the germination response in the seeds of the rare plant Pseudolysimachion pusanensis (Y. N. Lee) Y. N. Lee to different temperatures. P.
Mi-Hyun Lee   +4 more
doaj   +1 more source

Growth and Development of Purple Nutsedge Based on Days or Thermal Units [PDF]

open access: yesPlanta Daninha, 2015
This work was carried out with the objective of elaborating mathematical models to predict growth and development of purple nutsedge (Cyperus rotundus) based on days or accumulated thermal units (growing degree days).
R.S.O. Lima   +5 more
doaj   +2 more sources

Estimation of base temperature in different growth stages of wheat Case study: Sararood Station of Kermanshah [PDF]

open access: yesتحقیقات کاربردی علوم جغرافیایی, 2022
In this study, in order to study the base temperature (minimum temperature for plant growth) at the degree of growth day (GDD), which is one of the important parameters in calculating the degree of growth day, first, the data required for the 2009-2017 ...
yousof parsamehr   +3 more
doaj  

Screening for Cold Tolerance during Germination within Sweet and Fiber Sorghums [Sorghum bicolor (L.) Moench] for Energy Biomass

open access: yesAgronomy, 2021
Within the project “BIOSEA” funded by the Italian Ministry of Agriculture and Forestry, a preliminary laboratory test was conducted to assess the variability for cold tolerance during germination in 30 cultivars of biomass sorghum, among fiber and sweet ...
Cristina Patanè   +3 more
doaj   +1 more source

Thermal Performance Investigation of Slotted Fin Minichannel Heat Sink for Microprocessor Cooling

open access: yesEnergies, 2021
Due to high heat flux generation inside microprocessors, water-cooled heat sinks have gained special attention. For the durability of the microprocessor, this generated flux should be effectively removed.
Taha Baig   +7 more
doaj   +1 more source

Creation and Validation of a Temperature-Based Phenology Model for Meloidogyne incognita on Common Bean

open access: yesPlants, 2021
The thermal requirements of Meloidogyne incognita on Phaseolus vulgaris in a set of constant soil temperatures were determined and the phenology model was validated at fluctuating soil temperatures.
Ariadna Giné   +2 more
doaj   +1 more source

Heat Unit Requirements of “Flame Seedless” Table Grape: A Tool to Predict Its Harvest Period in Protected Cultivation

open access: yesPlants, 2021
Greenhouse cultivation of table grapes is a challenge due to difficulties imposed by their perennial habit and chilling requirements. Despite difficulties, greenhouse cultivation allows ripening long before that in the open field.
Francisca Alonso   +4 more
doaj   +1 more source

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