نتایج جستجو برای: tillering pattern
تعداد نتایج: 349139 فیلتر نتایج به سال:
Drought is one of the major limiting factors in wheat production in Pakistan. Five commercial wheat varieties; Chakwal-97, Inqilab-91, Margalla-99, NR-234 and Wafaq2001 were grown in pots in glasshouse. Plants were subjected to three consecutive drought cycles at tillering, pre-anthesis and milky growth stages by withholding water till leaf rolling started. Measurements of physiological respons...
The phenylpropanoid pathway serves as a rich source of metabolites in plants. It is required for the biosynthesis of lignin and acts as a starting point for the production of many other important compounds involved in growth and development. Phenylalanine ammonia-lyase (PAL) catalyzes the first step of the phenylpropanoid pathway. PAL gene expression changes during the growth and development of...
Tillering in rice (Oryza sativa) is one of the most important agronomic traits that determine grain yields. Previous studies on rice tillering mutants have shown that the outgrowth of tiller buds in rice is regulated by a carotenoid-derived MAX/RMS/D (more axillary branching) pathway, which may be conserved in higher plants. Strigolactones, a group of terpenoid lactones, have been recently iden...
Rice (Oryza sativa cv. Jindao 1187) was grown in open-top chambers which contained ambient and enriched C02. C02 elevation stimulated rice tillering during early vegetative stage. However, panicle dry weight per plant did not change at maturity stage. Root biomass was enhanced by high COz. Root / shoot ratio was increased under high C02 at maturity, indicating more carbon allocation to the belo...
4th International Workshop on Functional-Structural Plant Models, 7-11 june 2004 –Montpellier, France Edited by C. Godin et al., pp. 210-215 A 3D approach for modelling tillering in wheat (Triticum aestivum L.) J.B. Evers, J. Vos, C. Fournier, B. Andrieu, M. Chelle, P.C. Struik 1 Group Crop and Weed Ecology, Department of Plant Sciences, Wageningen University, Haarweg 333, 6709 RZ Wageningen, t...
Sustainability of rice production under limited water conditions is threatened by increasing irrigation water scarcity. Therefore, physiological and morphological responses of rice to varying water stress management strategies should be determined. The physiological and morphological responses of a semi dwarf rice (Hashemi cultivar) to water stress intensities (mild and severe, i.e., short-dura...
Albedo is an important parameter in radiation balance, energy atmospheric correction of remote sensing data and weather forecasting models. The values albedo agricultural area vary with changes biophysical parameters at different phenophases the crop. Spectral broadband visible-infrared bands for wheat canopy was estimated numerical spectral integration hemispherical directional reflectance fac...
Rising concentration of surface O3 threatens crop production and food security. To improve the evaluation develop efficient adaptations, it is essential to study effects acute pollution. We adopted this by open-top chamber (OTC) method found that fumigation elevated (NF40) for short (tillering jointing, heading ripening) long periods during rice growth reduced grain yield 17, 19 25%, respective...
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