نتایج جستجو برای: photosynthetic rate
تعداد نتایج: 978875 فیلتر نتایج به سال:
A regular (cv. Thothapuri) and an irregular (cv. Langra) bearing cultivar of mango were selected to study the gas exchange parameters such as photosynthesis, stomatal conductance and internal carbon dioxide concentrations in ̄owering and non̄owering branches. Photosynthetic rates at different carbon dioxide concentrations were also recorded in both the branches to calculate the carboxylation ef®...
Radix Isatidis (Isatis indigotica Fort.) is one of the most important traditional Chinese medicine plants. However, there is no suitable herbicide used for weed control in Radix Isatidis field during postemergence stage. To explore the safety of sulfonylurea herbicide nicosulfuron on Radix Isatidis (Isatis indigotica Fort.) seedlings and the photosynthetic physiological response of the plant to...
A bio-optical mooring, which was deployed for 240 days during 1987 in the western Sargasso Sea (-35øN, 70øW), provided among other things a detailed record of the seasonal distribution of chlorophyll a fluorescence and the scalar irradiance of photosynthetically available radiation. This data base was augmented by shipboard measurements of chlorophyll a concentration, chlorophyll a fluorescence...
Sunflower (cv. "Mammoth Greystripe") and soybean (Merr. cv. "Amsoy 71") leaves were exposed to continuous light for at least 52 hours in an attempt to determine the relationship between leaf starch levels and photosynthetic rates. Immature rapidly expanding and relatively mature slowly expanding sunflower leaves were studied. After 52 hours continuous light, the rapidly expanding leaves accumul...
Responses of leaf water relations and photosynthesis to summer drought and autumn rewetting were studied in two evergreen Mediterranean oak species, Quercus ilex spp. rotundifolia and Quercus suber. The predawn leaf water potential (Ψ(lPD)), stomatal conductance (gs) and photosynthetic rate (A) at ambient conditions were measured seasonally over a 3-year period. We also measured the photosynthe...
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