The order of contribution to available phosphorous(direct path coefficient) is:O-P(72.6940)>Ca-P(69.9052)>total phosphorous(39.6186)>organic phosphorous(-32.8527)>inorganic phosphorous(-20.9515)>Fe-P(17.2542)>Al-P(6.4832).
Among them, number of fruit per plant, single fruit weight were closest to the relation of total yield. Their correlation coefficient and path coefficient were rx2y = 0.7311,rx3y = 0.7244,px2y = 0.9045, px3y = 0.5643 respectively,both reached significant level.
The pollens from far relationship variety could increase the weight of single fruit and the soluble solid content,the path coefficient between them were-0.898 2 and-0.967 2,respectively,while pollens from close relationship variety could keep the fruit shape(-0.548 4).
(4) Path analysis of yield components on yield showed that panicle number was the most effective(path coefficient 1.1112) followed by grains per panicle(path coefficient 0.6517) for mechanical transplanting rice.
(2) The relationship between AKP, Se, Cu, GSH-PX in serum/blood and daily gains are significant with path analysis. The path coefficients are -0.8416, 0.5006, 0.4904, 0.4099 respectively.
The percentage content of serum-globin had biggish negative direct effects on the threegrowth traits above and the path coefficients were -0.3645,- 0.3434 and -0.3197respectively(P<0.01).
Path coefficients for them were 0.526,0.535,0.264, -0.148. The sum of the determination coefficients was 0.849, and the error coefficient was 1-0.849 by analyzing the determination coefficients. The best multiple linear regression equation about adult weight of Saibei rabbit was established.
The results of path analysis indicated the direct path-coefficients of number of tillering and three times yields with total forage yield were significant,but the direct path-coefficient of second clipping yield was the highest.
The direct path-coefficients of oleic and linolenic contents to 100SW were opposite to the genetic correlation between them by the concealment of positive indirect path-coefficient.
Relationships between five characters of photosynthesis of the 21 geno-types from a diallel cross in corn (Zea mays L.) and biological and grainyield were studied by utilizing simple correlation,multiple regression,par-tial correlation and path-coefficient analysis.
The relantions of quantitative characters and grain yield of single ear of the seed production of Roegneria, ciliris population were analysed by the methods of single correlation coefficient, multiple regression and path-coefficient analysis.
By path analysis, it showed that the path-coefficient of temperature to the stained anther rate was 0.281 3, and that of illumination to the stained anther rate was -0.911 3, which indicates that temperature has a positive effect while illumination has a negative effect to the fertility of Longtepu A.
The results of path analysis indicated the direct path-coefficients of number of tillering and three times yields with total forage yield were significant,but the direct path-coefficient of second clipping yield was the highest.
The direct path-coefficients of oleic and linolenic contents to 100SW were opposite to the genetic correlation between them by the concealment of positive indirect path-coefficient.
The relationship between the photosynthesis and transpiration characteristics and the stomatal behavior was analysed by correlation coefficient and path coefficient analysis with altitude changes.
The equivalence of the path coefficient method (Jacquard 1966) and the tabular method (Smith and M?ki-Tanila 1990) to compute the covariance matrix of additive and dominance effects in a population with inbreeding is shown.
Phenotypic variances, genetic coefficients of variation, repeatability, expected genetic advance, correlation coefficients and path coefficients were estimated for seven agronomic traits in yellow yam.
Path coefficients from the two types of analyses were similar in magnitude, and highly correlated with each other, suggesting that most interspecific patterns among traits may reflect functional association rather than phylogenetic conservatism.
However, the association between resin characteristics and fitness is significantly different from that predicted by the path coefficients involving herbivores.
Phenotypic and genotypic correlation coefficients and path-coefficients were studied in the biparental (BIPs) and F3 self progenies of the two wheat crosses.
Path-coefficient analysis further revealed that the direct effect of tillers/ plant on grain yield was important and remained unchanged in both populations of cross I.
Correlation and path-coefficient analysis studies were conducted to determine the effects of Brix, pith, and stalk density on sucrose content and the effects of stalk volume, tube, and pith on stalk weight.
通径系数
path coefficient
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