نتایج جستجو برای: number of progeny
تعداد نتایج: 21178358 فیلتر نتایج به سال:
in order to apply suitable methods for sugar beet seed sowing and determine the relation between yield and growth parameters in saline soils, two salt tolerant progeny lines were sown by five methods for two years (1995 and 1996) using a split plot design. growth parameters such as leaf area index, crop growth rate, total dry weight and relative growth rat were analysed. ph and ec of the soil a...
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
background: radon, an invisible, odorless, heaviest (nine times heavier than air) and radioactive gas is an aberration (the only gas in the long decay chain of heavy metal elements). it is ubiquitously present in dwellings and in the environment. humans receive the greatest radiation dose in their homes. that's where they spend most time - typically 70%, more for small children. recent wor...
Abstract The objective of this work was to propose a new stopping criterion shorten the computing time PampaPlus genetic improvement software, while maximizing qualification index (GQI) progeny, controlling inbreeding, and avoiding unintended culling. Data from two beef-cattle herds integrating were used. Five mating scenarios built using different numbers sires (9 37) dams (142 568). analyzed ...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
High prolificacy of sows and increased fetal survival lead to greater incidence of intrauterine crowding (IUC), which may then affect pre- and postnatal development of the progeny. The aim of the study was to assess the impact of IUC, using unilaterally hysterectomized-ovariectomized gilts (UHO), on organ and muscle development of their progeny at birth. In the study, 7 UHO and 7 intact control...
The regression of muscle:bone ratio on carcase weight was 0.0055 k 0.0017 kg. The mean muscle: bone ratio adjusted to a carcase weight of 213 kg was 3.99 * 0.20. There was little variation in muscle:bone ratio among individuals and the differences between sire progeny groups were not significant. However, the number of progeny within each group was small and a wider sampling is required to esta...
The purpose of the study was to identify inheritance traits economic and biological characteristics properties in hybrid progeny primocane raspberry. objects were 16 parental forms 15 combinations crosses with a total number 1008 seedlings. It is established that breeding raspberry predominant fruiting on annual shoots, there are certain difficulties obtaining high degree remontancy, early, fri...
LOCUSTS ARE GRASSHOPPER SPECIES THAT EXPRESS PHASE POLYPHENISM modifying their behavior, morphology, coloration, life history and physiology in response to crowding. Desert locusts, Schistocerca gregaria, epigenetically modify progeny quality and quantity in response to crowding. Gregarious (crowded) females produce larger but fewer progeny than do solitarious (isolated) ones. The variability o...
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