Determination of genetic basis of heterosis may promote hybrid production in Upland cotton (Gossypium hirsutum L.). This study was designed to explore the genetic mechanism of heterosis for yield and yield components in F2: 3 and F2: 4 populations derived from a hybrid 'Xinza No. 1'. Replicated yield field trials of the progenies were conducted in 2008 and 2009. Phenotypic data analyses indicat...

The relationship between the environment and heterosis effects on photosynthesis of upland cotton (Gossypium hirsutum) is unknown. No significant differences for net photosynthetic rate (PN), stomatal conductance (gs), transpiration (E) were found two studied varieties Siza 3 Zhongmiansuo 48. PN gs demonstrated compared with its parents. higher effective radiation CO2 concentration were, more o...

Green cotton (Gossypium hirsutum L.) fibers were shown by electron microscopy to have numerous thin concentric rings around the lumen of the cell. These rings possessed a lamellar fine structure characteristic of suberin. LiA1D(4) depolymerization and gas chromatography-mass spectrometry analysis showed the presence of a suberin polymer in the green cotton with the major aliphatic monomers bein...

Interspecific hybridization has contributed significantly to land diversity, species evolution, and crops’ domestication, including upland cotton, the cultivated form of Gossypium hirsutum. Being world’s most important fiber crop species, hirsutum belongs allotetraploid consisting six additional tetraploid species. The lint evolved once in diploid parent A-genome Gossypium’s history passed on d...

The cotton plant (Gossypium hirsutum L.) has a very dynamic response to management and changes in the environment that often results in variable and unpredictable yields. Temperature plays a major role in the development of cotton yield. However, limited data are available describing the relationship between high temperature and cotton yield. In this study, it was hypothesized that there are nu...

T H I S paper, the fourth in a series reporting the research on flowering response of cotton at College Station, Texas, presents the results of the quantitative analysis of an experimental strain of American Upland cotton, Gossypium hirsutum L. race latifolium, designated as Texas 86. Previous studies: In the first paper of this series, LEWIS and RICHMOND (1 957) reported observing three factor...

HE origin, fertility, and identifying vegetative characteristics associated with some monosomics of Upland cotton, Gossypium hirsutum L., have been described by BROWN and ENDRIZZI (1963). The monosomes were highly stable and n-1 gametes were transmitted with a high frequency through the egg, but very rarely through the pollen. ENDRIZZI and BROWN (1963) have obtained the cytogenetic data that id...