xylem exudate
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2019 ◽  
Vol 65 (5) ◽  
pp. 490-500 ◽  
Author(s):  
Toshifumi Murakami ◽  
Tetsuya Eguchi ◽  
Naoki Ogata ◽  
Katashi Kubo ◽  
Hisaya Matsunami ◽  
...  


2015 ◽  
Vol 18 (3) ◽  
pp. 356-364 ◽  
Author(s):  
Katsunori Isobe ◽  
Kumi Ozaki ◽  
Koichi Saito ◽  
Daichi Hatoya ◽  
Masao Higo ◽  
...  


2013 ◽  
Vol 373 (1-2) ◽  
pp. 59-75 ◽  
Author(s):  
Tiziana Centofanti ◽  
Zehra Sayers ◽  
Maria Isabel Cabello-Conejo ◽  
Petra Kidd ◽  
Naoko K. Nishizawa ◽  
...  
Keyword(s):  


2013 ◽  
Vol 36 (10) ◽  
pp. 1826-1837 ◽  
Author(s):  
MAKIKO NAGAI ◽  
MIWA OHNISHI ◽  
TAKEO UEHARA ◽  
MUTSUMI YAMAGAMI ◽  
EIKO MIURA ◽  
...  
Keyword(s):  




2010 ◽  
Vol 34 (2) ◽  
pp. 317-328 ◽  
Author(s):  
Ermelinda Maria Mota Oliveira ◽  
Hugo Alberto Ruiz ◽  
Víctor Hugo Alvarez V ◽  
Paulo Afonso Ferreira ◽  
Fernanda Oliveira Costa ◽  
...  

Nutrients are basically transported to the roots by mass flow and diffusion. The aim of this study was to quantify the contribution of these two mechanisms to the acquisition of macronutrients (N, P, K, Ca, Mg, and S) and cationic micronutrients (Fe, Mn, Zn, and Cu) by maize plants as well as xylem exudate volume and composition in response to soil aggregate size and water availability. The experiment was conducted in a greenhouse with samples of an Oxisol, from under two management systems: a region of natural savanna-like vegetation (Cerradão, CER) and continuous maize under conventional management for over 30 years (CCM). The treatments were arranged in a factorial [2 x (1 + 2) x 2] design, with two management systems (CER and CCM), (1 + 2) soil sifted through a 4 mm sieve and two aggregate classes (< 0.5 mm and 0.5 - 4.0 mm) and two soil matric potentials (-40 and -10 kPa). These were evaluated in a randomized block design with four replications. The experiment was conducted for 70 days after sowing. The influence of soil aggregate size and water potential on the nutrient transport mechanisms was highest in soil samples with higher nutrient concentrations in solution, in the CER system; diffusion became more relevant when water availability was higher and in aggregates < 0.5 mm. The volume of xylem exudate collected from maize plants increased with the decrease in aggregate size and the increased availability of soil water in the CER system. The highest Ca and Mg concentrations in the xylem exudate of plants grown on samples from the CER system were related to the high concentrations of these nutrients in the soil solution of this management system.





2008 ◽  
Vol 54 (1) ◽  
pp. 118-127 ◽  
Author(s):  
Shin-ichi Nakamura ◽  
Chieko Akiyama ◽  
Takashi Sasaki ◽  
Hiroyuki Hattori ◽  
Mitsuo Chino


2007 ◽  
Vol 10 (4) ◽  
pp. 460-467 ◽  
Author(s):  
Junko Sato ◽  
Tatsuhiko Shiraiwa ◽  
Makoto Sakashita ◽  
Yasuhiro Tsujimoto ◽  
Ryuji Yoshida


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