Photosynthesis in Flaveria brownii A.M. Powell
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چکیده
منابع مشابه
Photosynthesis in Flaveria brownii A.M. Powell : A C(4)-Like C(3)-C(4) Intermediate.
Leaves of Flaveria brownii exhibited slightly higher amounts of oxygen inhibition of photosynthesis than the C(4) species, Flaveria trinervia, but considerably less than the C(3) species, Flaveria cronquistii. The photosynthetic responses to intercellular CO(2), light and leaf temperature were much more C(4)-like than C(3)-like, although 21% oxygen inhibited the photosynthetic rate, depending o...
متن کاملPhotosynthetic Plasticity in Flaveria brownii: Growth Irradiance and the Expression of C(4) Photosynthesis.
Photosynthesis was examined in leaves of Flaveria brownii A. M. Powell, grown under either 14% or 100% full sunlight. In leaves of high light grown plants, the CO(2) compensation point and the inhibition of photosynthesis by 21% O(2) were significantly lower, while activities of ribulose 1,5-bisphosphate carboxylase/oxygenase and various C(4) cycle enzymes were considerably higher than those in...
متن کاملOxygen Stimulation of Apparent Photosynthesis in Flaveria linearis.
A plant was found in the C(3)-C(4) intermediate species, Flaveria linearis, in which apparent photosynthesis is stimulated by atmospheric O(2) concentrations. A survey of 44 selfed progeny of the plant showed that the O(2) stimulation of apparent photosynthesis was passed on to the progeny. When leaves equilibrated at 210 milliliters per liter O(2) were transferred to 20 milliliters per liter O...
متن کاملPhotosynthesis in Flaveria brownii, a C(4)-Like Species: Leaf Anatomy, Characteristics of CO(2) Exchange, Compartmentation of Photosynthetic Enzymes, and Metabolism of CO(2).
Light microscopic examination of leaf cross-sections showed that Flaveria brownii A. M. Powell exhibits Kranz anatomy, in which distinct, chloroplast-containing bundle sheath cells are surrounded by two types of mesophyll cells. Smaller mesophyll cells containing many chloroplasts are arranged around the bundle sheath cells. Larger, spongy mesophyll cells, having fewer chloroplasts, are located...
متن کاملCO2 Exchange, Cytogenetics, and Leaf Anatomy of Hybrids between Photosynthetically Distinct Flaveria Species1
Hybrids between the C4-like species, Flaveria brownii, A. M. Powell and the C3-C4 intermediate species Flaveria linearis Lag., Flaveria floridana Johnston, and Flaveria opposithfoIIa (DC.) Rydb. exhibited bivalent chromosome pairing during meiosis and stainability of pollen was high, ranging from 51 to 95%. An F2 population produced from an F. brownil x F. linearls F1 hybrid, exhibited bivalent...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1987
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.85.4.1063