Caser Ghaafar Abdel

13 Questions 55 Answers 0 Followers

Questions related from Caser Ghaafar Abdel

Is there any Casparian strip in the stem besides root?

Usually casparian strip works as barrier for most inner root tissue, is there Casparian strip within the stem?

15 June 2020 5,634 5 View

My Rossette pET E. Coli suddenly turn pink, particularly with one 100 and one 1000 Neat Dilution ?

Dear Colleagues I am working on genes for more salt tolerance, however, suddenly I observed that my colonies in plate turn pink, particularly, with low population of E. coli Rossette pEt... I...

28 August 2019 8,097 2 View

How monocotyledonus plants experience secondary growth.However, their fascular bundles devoid of cambium?

Stem thickening is achieved with out vascular cambium

24 October 2017 2,322 2 View

How to determine Nitrate in plant tissue by cardy chlorometer

I have plant materials of celery crops I need to find chepest methods for determing Nitrate

30 May 2017 970 3 View

Why do we take the leaves petiole, in Nitrate, nitrite determination?

some celery growers decapitate the leaf petiole in markets where periodically NO3 test is proceeded

21 July 2016 6,746 4 View

Why NO3 and NO2 risks are highly accompanied to leafy vegetables?

Most NO3 risks are related to green edible tissues rather than ripened fruits

18 July 2016 3,912 6 View

Why pollen grain of the same variety and specie in some instances germinate and others not?

Air is fulled of plant species pollen grains, these pollen grains landing on stigmas, some germinate producing pollen tubes and then ceased to extent within stigma tissues, some other never...

08 July 2016 7,413 13 View

Why crystals are formed in plant cells, particularly in parenchymatus?

A huge a mounts of calcium oxalate and carbonate crystals are formed in plant cell, particularly in spinach, tomato fruits and other vegetable fruits. However, plants apply a lot of energy in...

07 July 2016 7,955 3 View

Why some plant stem tolerate high wind speed others break easily?

What are the physical properties of stems that make the reliable for bending other are breaking easily,.

06 July 2016 7,507 17 View

Why the stem heart of some plants disintegrate and deteriorate completely, others not?

Some forest trees for example willow trees with being old their stem heart vanished completely others possesses hard woods that we use.

17 June 2016 7,899 3 View

Why the watermelon fruit tissues surrounding the seeds deteriorate first?

When we take a slide of muskmelon and watermelon we found that the sweetest part close to seeds in muskmelon and surrounding seeds in watermelon. Theses tissues with time and maturation turned...

15 June 2016 1,253 2 View

Why the fruit part close to the stem in cucumber, snake cucumber and watermelon possesses the worst test?

Fruit parts close to stem is bitter in some cucumber cultivar, off favour and tough, in snake cucumber and water melon, egg plants.... and others. Are there any explanations?

14 June 2016 6,895 3 View

What are the techniques and cultural practices required for producing seeds from seedless cucumber greenhouse cultivars?

We intended to produce seeds from seedless cucumber cultivars, can someone assist please

24 May 2016 5,838 4 View