Redroot pigweed is one of the injurious agricultural weeds on a worldwide basis. Understanding of its interference impact in crop field will provide useful information for weed control programs. The effects of redroot pigweed on cotton at densities of 0, 0.125, 0.25, 0.5, 1, 2, 4, and 8 plants m(-1) of row were evaluated in field experiments conducted in 2013 and 2014 at Institute of Cotton Res...

In intraspecific F1 diallel hybrids of Gossypium barbadense L., the inheritance study traits plant height, boll weight, productivity, and 1000-seed with combining ability analysis took place in 2020–2022 at Institute Genetics Plant Experimental Biology, Academy Sciences, Uzbekistan. These polygenic traits’ showed different ways fine-fiber cotton hybrids. The height trait’s overdominance interme...

There is a need to optimize water-nitrogen (N) applications to increase seed cotton yield and water use efficiency (WUE) under a mulch drip irrigation system. This study evaluated the effects of four water regimes [moderate drip irrigation from the third-leaf to the boll-opening stage (W1), deficit drip irrigation from the third-leaf to the flowering stage and sufficient drip irrigation thereaf...

In order to study the effect of bio-fertilizers  in decrease the effects of water stress on yield, yield components and oil percentage of Goldasht spring safflower cultivars (Carthamus tinctorius L.), an experiment on split plot in a randomized complete block design with three replications was carried out  in 2012 at the Agricultural Research Station of Islamic Azad University of Roude...

Identification of the last effective boll population allows informed decisions for termination of insecticide and application of harvest aids. However, the current COTMAN cutout reference, i.e., NAWF=5 (Oosterhuis et al., 1999), may need to be changed for ultra-narrow-row (UNR) cotton. This study is part of a multi-state project which has an overall objective of determining the main-stem node n...

3 Bonsignore, A., S. Pontremoli, E. Grazi, and M. Mangiarotti, Biochem. Biophys. Research Communs., 1, 79 (1959). 4 Venkataraman, R., and E. Racker, J. Biol. Chem., 236, 1876 (1961). 5 Prandini, B. D., and J. A. Lopes do Rosario, Boll. soc. ial. biol. sper., 36, 1224 (1960). 6 Grazi, E., M. A. Mangiarotti, and S. Pontremoli, in press. 7 Bonsignore, A., S. Pontremoli, G. Fornaini, and E. Grazi, ...

Identification of the last effective boll population allows informed decisions for termination of insecticide and application of harvest aids. However, the current COTMAN cutout reference (i.e., NAWF=5) indicates physiological cutout (Oosterhuis et al., 1999) may need to be changed for ultra-narrow-row (UNR) cotton. This study is part of a multi-state project the overall objective of which is t...

One hundred upland cotton germplasm accessions were evaluated for eight traits to evaluate the per se performance, genetic variability, heritability, advance as a cent of mean, correlation and path analysis. The estimation variability indicated that number monopodia plant had high GCV PCV. High heritability along with GAM was  found in height, internode length, plant, sympodia bolls seed y...