20 Questions 20 Answers 0 Followers
Questions related from Maher Souguir
Why Ca2+ ions are reported as very little mobile in xylem and needed to be with some others ions like nitrate to be assimilated by the plant ???
29 March 2017 2,356 3 View
Please , for every one who is good at statistics ..i want to know the experimental design of this experience (attached in word page ). In other words, my experience is a split splot ? a factorial...
18 January 2017 7,311 3 View
For studying antioxydant activities , many protocols use dry matter such as leaves or roots to prepare methanolic extract..My question is what about using fresh matters ? Can we use fresh material...
19 October 2016 2,024 10 View
i read a lot of publication about about the effect of fertilisation (calcium, humic substances..nitrates..) in ameliorating salt stress tolenrence in plant..But all these research concluded that...
10 October 2016 1,094 6 View
WHY some fertilizer such as calcium nitrate are considered to give the best form of nitrogen to plant ..what is the the feature of this form of nitrogen ? thank you.
26 September 2016 9,353 52 View
In statistics, when you have an significant interaction between two variables (for exemple concentration and variety). You run an ANOVA test and concentration x variety is significant. How to...
10 June 2016 6,293 5 View
i worked before in these enzymes but i need to find an easier protocol
26 January 2016 306 3 View
i want to ask if it exists simple protocol to quantify Na+, K+,Ca2+ and Cl- , in plant tissues (root or leaf) without using Photoelectric flame photometer ?..just using UV Visible...
23 January 2016 4,604 6 View
what is the simple method to store fresh leaves, to perform biochemical tests after? is keeping them in the freezer -4 C good enough? thanks
24 August 2015 8,950 16 View
i would like to know the importance of calcium nitrate to plant . i know that this fertilizer is made up of two nutrients : nitrate and soluble calcium . a biochimical response should be...
21 August 2015 304 7 View
i am trying to extract phenolics compounds (folin ciocalteu method) but there two things that i didn"t understund in the protocol. First the quantity of this reagent ( folin ciocalteu ) to add ?...
20 August 2015 5,187 10 View
HOW TO MEASURE
14 August 2015 9,012 5 View
why chlorophyll a is always heigher than chlorophyll b in plant cultivated under salt stress ?
09 August 2015 3,212 10 View
Please , what are best references concerning glycophytes plantes and the machinism of its regarding salinity or drought. Because glycophytes plants are mostly no tolerent to salinity which...
04 August 2015 4,975 11 View
Please i need help , i am working on salt stress and the effect of humic acid application . i have 4 variety of plant and 4 traitement (0 g/l ,2g/l, 4 g/l and 6g/l). every traitement divded into...
29 July 2015 4,993 11 View
my plants regenerated in vitro are suddenly browning
11 March 2015 6,941 11 View
Can one botanist help me to identify ,approximately, this variety of sesame or at least give me some suggestions..thanks.
23 February 2015 8,126 5 View
I need seeds of Sesamum indicum, because I am actually working on improving salt tolerance of this species by biotechnology (in vitro regeneration). I would be grateful, because we don't cultivate...
11 February 2015 8,715 7 View
Can someone describe me a simple protocol to determinate the total phenols in plants in order to study the effect of salt stress in it? Is the Folin Ciocalteu method is the simplest? Thanks.
11 February 2015 8,737 7 View
Thanks
05 February 2015 4,925 3 View
