Genotypic variation is useful to breeders when selecting genotypes to improve particular traits. Inorder to study of genetic diversity 20 genotypes of Hordeum murynum studied in the form of randomized complete block design the experimental field of islamic azad university shahre rey branch with 3 replication in the year 2012. Notes traits was conducted including days to heading, days t...

Abstract Kawakawa (Euthynnus affinis) is one of the economically valuable species for Mallaca strait fishermen. This study aims to determine level gonad maturity, size fish’s first ripe gonad, and maturity index (E. caught at Tanjung Beringin’s Auction Place, Serdang Bedagai Regency, North Sumatra. Three months sampling were conducted, from July September 2021. The maturation gonads was observe...

As an index of fetal lung maturity, the ratio of total surface-active phospholipid (phosphatidylethanolamine + phosphatidylinositol + phosphatidyglycerol + lecithin) to sphingomyelin performs as well as or better than any other indicator that we tested, showing 92% sensitivity and 98% specificity. The sensitivity and specificity, respectively, of the other methods were: (a) lecithin/sphingomyel...

We are indebted to the late Professor Wingate Todd (1937) and his colleagues for the concept of skeletal maturation as a specific entity in the growth process. It has long been known that hypothyroidism is a potent cause of retardation in the maturation process. Francis (1939) and other authors in the Brush Foundation group have shown that any infection or feeding difficulty may hold back norma...

The estimation of maturity and sex of fish stocks in European waters is a requirement of the EU Data Collection Framework as part of the policy to improve fisheries management. On the other hand, research on fish biology is increasingly focused in molecular approaches, researchers needing correct identification of fish sex and reproductive stage without necessarily having in house the histologi...

drought stress is one of the most important environmental stresses that affect yield of bread wheat strongly. considering that the yield achieved with the interaction of a large number of plant traits and environment, so the morphological and agronomical traits, can serve as selection criteria under environmental conditions. by genetic analysis and estimation of inheritance and mode of gene act...