Phylloxera-infested grapevines have reduced chlorophyll and increased photoprotective pigment content — can leaf pigment composition aid pest detection?
نویسندگان
چکیده
منابع مشابه
Phylloxera infested grapevines have reduced chlorophyll and increased photoprotective pigment content – can leaf pigment composition aid pest detection?
Grape phylloxera is a root-feeding pest of grapevines. In Australia, phylloxera infested vineyards are subjected to quarantine restrictions and early detection remains vital for the timely implementation of post-outbreak quarantine protocols. Current detection methods rely on time-consuming ground surveying which involves detailed examination of grapevine (Vitis vinifera L.) root systems. Leaf ...
متن کاملChlorophyll-Protein Complexes from Euglena gracilis and Mutants Deficient in Chlorophyll b: I. Pigment Composition.
The use of n-octyl-beta-d-glucopyranoside along with sodium dodecyl sulfate improves the retention of chlorophyll (Chl) by chlorophyll-protein complexes (CPs) prepared from thylakoids of Euglena gracilis Klebs var bacillaris Cori and yields several additional complexes. Thylakoids from wild-type (WT) cells, solubilized in these detergents and subjected to polyacrylamide gel electrophoresis at 0...
متن کاملChlorophyll Photobleaching in Pigment-Protein Complexes
Pigment photobleaching was performed in thylakoid membranes of Hordeum vulgare (wild type, mutant Chlorina f2, Norfluranzon treated seedlings) and in pigment-protein complexes (CP-I and LHCP) isolated from H. vulgare and Chlamydomonas reinhardtii. Multiphasic kinetics were obtained in all of the above cases. Energy transfer towards pigments absorbing at longer wavelength is postulated as a gene...
متن کاملQuantification and variability of eggshell pigment content
A high-~rforman~e liquid chromato~aphy method was used for the deter~ation of the eggshell pigment constituent. Using this method, the content proto~rphyrin IX in seven bird species was quantified. It was found that this compound is most abundant in the eggs of the blackbird (65.55 nmol per egg), but when the amount is related to the eggshell mass, then the greatest amount is in the egg of the ...
متن کاملChanges in the energy distribution between chlorophyll-protein complexes of thylakoid membranes from pea mutants with modified pigment content. I. Changes due to the modified pigment content.
The low-temperature (77 K) emission and excitation chlorophyll fluorescence spectra in thylakoid membranes isolated from pea mutants were investigated. The mutants have modified pigment content, structural organization, different surface electric properties and functions [Dobrikova et al., Photosynth. Res. 65 (2000) 165]. The emission spectra of thylakoid membranes were decomposed into bands be...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Functional Plant Biology
سال: 2006
ISSN: 1445-4408
DOI: 10.1071/fp05315