نتایج جستجو برای: physiological maturity phase
تعداد نتایج: 873111 فیلتر نتایج به سال:
Maize is one of the most important grain and forage plants that has a unique role in the food and feed, especially poultry feed. To study the genetic effects, genes act and identify the best hybrid combination for morphological traits, experiment was carried out in diallel cross layout using 19 parents at Gorgan Agricultural Research Station, Iran in 2013. The progenies were planted in three re...
to study the root allelopathic effects of cool season crops on germination and early growth of three crops (sorghum, corn, and soybean), an experiment was conducted in seed research laboratory and greenhouse of college of agriculture, university of tehran. the experiment consisted of four cool season crops (wheat, barley, rye and pea) and control as the main plots, three spring-crops (corn, soy...
in the present study histological studies was conducted after the female abramis brama orientalis was exposed to eight treatment phases in which lhrha2 (3 μg/kg), metoclopramide (5 mg/kg), and chlorpromazine (10 mg/kg) were inoculated. the treatments were characterized by combined and solitary injections, control group (o injection), and experimental group (saline). the results showed that all ...
As a “System of Systems” (SoS), Air Traffic Management (ATM) in Europe will be improved by simultaneous and coordinated evolutions of its constituting systems. The SESAR Program aims at reaching an ambitious performance target (for 2020) by developing a large collection of “Operational Improvement Steps” (OIs). This development is achieved by more than 300 projects, themselves involving a numbe...
Numerous and diverse physiological changes occur during fruit ripening and maturity at harvest is one of the key factors influencing the flavour quality of fruits. The effect of ripening on chemical composition, physical parameters and sensory perception of three muskmelon (Cucumis melo L. reticulatus group) cultivars was evaluated. Significant correlations emerging from this extensive data set...
Understanding the impact of the warming trend on phenological stages and phases of cotton (Gossypium hirsutum L.) in central and lower Punjab, Pakistan, may assist in optimizing crop management practices to enhance production. This study determined the influence of the thermal trend on cotton phenology from 1980-2015 in 15 selected locations. The results demonstrated that observed phenological ...
The actuarial senescence (i.e., the rate of increase in adult mortality with age) was related to body mass, development period, and age at sexual maturity across 124 taxonomic families of terrestrial vertebrates. Model selection based on Akaike's information criterion values adjusted for small size showed that the rate of aging decreases with increasing body mass, gestation period, age at matur...
An experiment was carried out with SHAVER Starbro broiler parent stock from one day old to the point of peak production to investigate the growth, early laying performance and their adaptability during brooding, growing and early laying periods. The experimental period was divided into five phases, phase I (0 – 2 week), phase II (3 – 8 week), phase III (9 – 22 week), phase IV (23 – sexual matur...
In order to determine the effect of plant density on yield and qualitative traits of four genotypes of sunflower (Helianthus annuus L.) an experiment was conduct in Research Farm of Kabotar Abad, Isfahan province, Iran, in 2009. The statistical design was factorial arrangement in complete randomized blocks with four replications. Four plant density (6, 8, 10 and 12 plants/m2) and four genotypes...
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