نتایج جستجو برای: medicago species
تعداد نتایج: 551861 فیلتر نتایج به سال:
Data format: BayesPref requires that data be provided as an object class matrix. The data provided in "YGGVdata" is oviposition preference data for Lycaeides populations from Yuba Gap, CA and Gardnerville, NV. Here, the populations have been coded numerically. That is, Yuba Gap is population 1 and Gardnerville is population 2. The abbreviations for plant species are as follows: Ast, Astragalus ...
Biological invasions can have strong ecological effects on native communities by altering ecosystem functions, species interactions, and community composition. Even though these ecological effects frequently impact the population dynamics and fitness of native species, the evolutionary consequences of biological invasions have received relatively little attention. Here, I show that invasions im...
The nutritive value of the annual alfalfa (Medicago rigidulla, Medicago polymorpha and Medicago scutellata) species harvested at flowering stage was assessed by chemical composition, in vitro dry matter and nitrogen digestibility, in sacco dry matter and nitrogen degradation (0, 8, 12, 24, 48 and 72 h) and palatability (short-term intake rate, STIR) methods. Mean values of the chemical analysis...
The wide ecological area consists of a rangeland with special vegetation and one of the key factors in rangeland management is to select Management Indicator Species (MIS). Management indicator species based on a new method such as Analytical Network Process-Decision Making Trial and Evaluation (ANP-DEMATEL) is one of the most important stages in the successful Range management as choosing a su...
the first occurrence of two parasitoid species belonging to the family pteromalidae (hym.: chalcidoidea) in alfalfa fields of maragheh (azarbaijan sharghi province) are reported: 1- halticopterina moczari erdã¶s, which was collected in 22 june 2003, and 2- trichomalus rufinus (walker) which was collected in 3 august 2003. both species were collected on medicago sativa by the second author.
The nutritive value of the annual alfalfa (Medicago rigidulla, Medicago polymorpha and Medicago scutellata) species harvested at flowering stage was assessed by chemical composition, in vitro dry matter and nitrogen digestibility, in sacco dry matter and nitrogen degradation (0, 8, 12, 24, 48 and 72 h) and palatability (short-term intake rate, STIR) methods. Mean values of the chemical analysis...
Effect of different genestein concentrations on nitrogen content and nodulation in annual medics was studied this research was done under controlled environmental condition at the 20/25 oC day/night air temperatures and 5 oC low root zone temperature. Three annual medics species (Medicago polymorpha, Medicago radiate, Medicago rigidula) adapted to cold and temperate zones and 5 genestein leve...
Despite their unrivalled value in livestock systems, certain temperate, pasture, legume species and varieties may contain phytoestrogens which can lower flock/herd fertility. Such compounds, whose chemical structure and biological activity resembles that of estradiol-17α, include the isoflavones that have caused devastating effects (some of them permanent) on the fertility of many Australian sh...
Genetic diversity of Crotalaria germplasm assessed through phylogenetic analysis of EST-SSR markers.
The genetic diversity of the genus Crotalaria is unknown even though many species in this genus are economically valuable. We report the first study in which polymorphic expressed sequence tag-simple sequence repeat (EST-SSR) markers derived from Medicago and soybean were used to assess the genetic diversity of the Crotalaria germplasm collection. This collection consisted of 26 accessions repr...
Tribes Trifolieae and Vicieae along with Cicereae and Galega (Galegeae) form a monophyletic group that has been designated informally as the “vicioid clade”. There is good support from analyses of various molecular data for the clade itself, but relationships of genera within the clade are not fully understood nor has monophyly of the tribes and genera been fully tested. Sequences of the plasti...
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