SNP of growth hormone (GH) gene Intron4 of Tibetan chicken and recessive white chicken were detected by using modified allele specific PCR (M-ASP),PCR-RFLP and sequencing reaction and its associations with growth traits of Tibetan chicken was done.
利用改良等位基因特异性PCR(Modified Allele Specific PCR,M-ASP)结合PCR-RFLP以及直接测序方法对藏鸡和隐性白羽鸡生长激素(Growth Hormone,GH)基因内含子4(Intron4)的一个位点进行了SNP检测,并进行了该基因与藏鸡生长性状的关联分析。
4) The results from the correlation analysis between genetic distance with beef cattle growth trait and heterosis ratio indicated that: Molecular genetic distance was weak positive correlation with weight and 12-month weight and was moderate positive correlation with 6-month weight.
5. Seedlings testing of hybrid clones growth character showed that several clones such as P.deltoides CL ‘57’×P. bolleana 11、2、10, and P.hoperensis×ShannLin-3-5、-1、-2、10 are good in growth performances .
Each growth character's heritability was high, the heritabilities of the diameter breast-high, the tree height, and the timber volume achieved 40.61%, 39.53% and 32.79%, respectively. At the same time, each growth character's hereditary variation coefficient is big, which indicated that these differences which exist in the growth was mainly in the control of heredity.
Shrub drought resistance mechanism,including of the relationships and changes of drought shrub growth character,anatomical structure,membrane penetration,photosynthetic characteristics and osmoregulation substance(soluble sugar,praline,betaine and abio-hydroninm),ABA and LEA albumen,were summarized.
The family hereditability of tree height,DBH,volume,crown width and fruiting amount were 0.76,0.66,0.68,0.74 and 0.65 respectively,and the individual hereditability were 0.27,0.16,0.18,0.23 and 0.16 respectively. The growth characters and fruiting characters were negatively correlated.
The correlated coefficlent index was applied to study the early－late correlation of 38-year-old Cunning-hamia lanceolata growth characters and the results reveal that the correlated coefficient between the growth charac-ters of 2-year-old C.
Four Hosta cultivars (respectively Hosta ‘Golden Edger’, H. ‘Antioch’, H. sieboldiana ‘Elegans’ and H. plantagenea ‘Aphrodite’ ) in three shading levels(respectively 50%, 30%and 5%full sun)were studied, results showed that growth characters of four Hosta cultivars at different light intensities were significantly affected.
This article adopted the cluster analysis method of the genetic distance of principal components to comprehensively evaluate the main growth characters of 112 fine families of Cunninghamia lanceolata ,of which 40 high yield fine families were selected and their average genetic gains of stem volume reached 71 5%.
Polymorphisms in the 5' regulatory region of myostatin gene are associated with early growth traits in Yorkshire pigs
The present study cloned the 5' regulatory region of porcine myostatin gene, screened its polymorphisms and analyzed their associations with early growth traits in Yorkshire pigs.
A unique set of seven mouse lines, long-term selected for high growth, from different laboratories around the world has been comprehensively compared to evaluate these resources for future QTL and gene mapping for growth traits.
Growth traits measured were stem diameter, top height, and dry weight; phenological traits were bud-burst and bud-set dates, extension period, and extension period midpoint.
Population samples interacted significantly with soil temperature for growth traits, and with soil and air temperatures combined for phenological traits.
The morphology and growth character of Korean pine trees during different development stage were forecasted.
Small-diameter Korean pines' origination, growth character and their roles in stand were discussed from the view of population origination and tree growth.
Growth character indexes, including tree height and diameter at breast height, were also measured.
The growth character indexes of Korean pines presented significant difference and they might also be controlled by their genetic differences.
While the growth of both these values is not quite uniform mutually, both of them may notwithstanding be considered as the most representative expressions of the general growth character of the skeleton.
The main contents include:(l) the geographic variation of the growth characters ofPinus sylvestris var.
Genetic variations of wood properties and growth characters of Korean pines from different provenances
Totally 26 provenance stands of 17-year-old Korean pine were selected for investigating wood properties and growth characters in Mao'ershan Experimental Forest Farm of Northeast Forestry University in 1999.
Most parameters of wood properties mainly varied in the direction of longitude, but the parameters of growth characters varied in the direction of latitude.
Certain growth characters of Tribolium castaneum as modified by long term selection for 21-day pupa weight