Ali Alhayany

25 Questions 459 Answers 0 Followers

Questions related from Ali Alhayany

Are the Polyethylene cover during winter months negatively affect citrus flowering the next spring?

To prevent citrus transplants from low temperatures during winter months i cover many seedlings using polyethylene cover, but in the next spring i notice that covered seedlings gave less flowers...

19 April 2017 9,114 8 View

Are the application of GA3 during winter months affect flowering and fruits quality of Citrus species next season?

I want to know if there is a clear cut answer related with the nature of foliar application of GA3 on Citrus species flowering and fruiting during the next season.

18 April 2017 6,013 2 View

Are there specific biofertilizers for every crop ?

I want to know if i can add any kind of bio fertilizer safely to Jujube seedlings including Azospirillum spp. and pseudomonas spp. or I must add specific types for this purpose?

20 November 2016 4,530 9 View

Are there any converting Factor between Chlorophyll content index(CCI) and SPAD unit?

There are many ways to estimate chlorophyll content in plant leaves ,including SPAD unit method and CCI ,so that can any one provide me weather there are any converting factor connect between...

24 October 2016 8,282 4 View

Are the logging of growth media having Aotobacter sp. and pseudomonas sp. affected their population and vigor negatively ?

I want to know if the water logging of container having growth media provided with Azotobacter sp. and Pseudomonas Sp. bacteria affected this bio fertilizers population and vigor?

12 September 2016 979 3 View

Are there any researches interested in the xenia effect of pollen grain source in pome,and stone fruits?

Pollen source affect fruits set and have many effects on fruits characters of pollinated flowers .this phenomena observed in many cross pollinated species(especialy hand pollinated species).So i...

10 June 2016 7,238 4 View

What is the simplest and most accurate method to determined leaf area of citrus?

As we Know there is many common ways to measure leaf area like leaf area metere system,computer ,scan method and finaly the formula suggested for citrus species by Chou,G.J1966: Leaf area(cm2)=...

25 May 2016 2,982 7 View

Are there a spesific micro organisms used as bio fertilizers for each crop ,or for each soil , or both?

I am not specialist in biofertilizers ,but I am interesting in researchs conducted in this line, so I need your assistant to guide me to the right way to start a research with Apple transplants...

25 May 2016 5,935 14 View

Did environmental conditions affect the time of flower buds induction in deciduous fruit trees?

As we know ,the time of flower bud induction(not initiation)occur during the previous season at constant period for each crop , but I dont know exactely the nature of environmental requierement...

21 May 2016 3,069 3 View

Is the value obtained from EC meter for 1:1 saturated paste represent the final value or it must be multiplied with correcting factor?

I want to mesure ECe for field soil so my question is the read obtained from EC meter for 1:1 saturated paste represent the real value ,or this read must multiplied with correcting factor. thanks

09 May 2016 5,725 9 View

Are there research paper interested in comparing fruit trees production when trained in common methods with that trained as espalier or cordons?

I want to know whether training apple and rest fruit trees as espalier or cordons gave acceptable results compared with traditional methods on the basis of economy and fruits characters and yield.

24 April 2016 4,859 2 View

Can I estimate arginine content in plant leaves by multiplying N value determined by kjeldahl method*3.2?

I want to estimate Arginine content in citrus leaves. Some research papers did that by means of multiplying N*3.2. Is this value accurate or i must use chemical method to determine the true value...

23 April 2016 4,983 0 View

What was the right measurement we can use for herbaceous and woody plants is it plant length ,or plant high?

when we search literature we failed to have a clear cut information on which was the right expression we can use for seasonal increase in seedlings growth , is it mean increase in seedlings...

14 April 2016 8,704 6 View

Are there any test must i did before using soil applied bio-fertilizers to jujube transplants?

I want to examine the effect of bio-fertilizer(Azospirillum spp.andPseudomonas spp.) application to jujube transplants .so that i am asking if there are any test i should did before application.

01 April 2016 9,529 2 View

Can I use injection method in trunks of fruit trees to fertilize trees ?

I think to use injection method to applied trees with needed nutrients but i have no references in this line.

06 March 2016 4,198 6 View

What kind of amino acids I can apply to accelerate flowering in young pomegranate transplants?

I want to apply amino acids to one-year old pomegranate seedlings to gain early flowering. So i need a guideline paper in this line including the time and the concentration as well as how many...

20 February 2016 392 1 View

Are there any type of fertilizer i can use for trees treated with bio fertilizers two years ago,especially that related with phosphor?

I treat apricot trees with bio fertilizers Azospirillum spp. and Pseudomonas spp. two years ago and i want to know if these bacteria still working for along time without any source of nutrition...

12 February 2016 5,314 5 View

What is the optimum dose of N<P<K fertilizers should i applied to 2-years old Jujube seedlings?

I want to propagate 2-years Jujube seedlings in large containers so that i want to know the suitable amount of N,P,K fertilizers that i should add every year

29 January 2016 1,155 5 View

What was the optimum time for Loquat budding in arid region?

Loquat cultivation is not common in Iraq , but in recent years peoples begin to interest in this crop fruits .Loquat propagation by budding on Quince and pear ,as well as loquat seedling...

29 December 2015 1,884 2 View

Did jujube flowering require chilling hours?

In Iraq jujube give fruits 2 times a year, and as i know flowering occur on new growth of current season.my question related with if jujube cultivars have chilling requirement especially it grow...

26 December 2015 4,854 3 View

Which rootstocks can I use safely for jujube in an arid zone?

I like to grown some jujube seedlings in my private garden ,so i wish any one to assist me in choosing the suitable rootstock for budding cultivars on.

24 December 2015 7,517 4 View

ِAre there any relationships between Pomegranate fruit cracking and perennials weeds presence in the orchard?

I work on pomegranate fruit cracking causes my treatments included weed control as well as using of biostimulant and zink sulfate.My results revealed a decrease in fruits cracking percent in weed...

12 December 2015 7,883 8 View

How can I convert chlorophyll content in plant leaves from SPAD unit values to mg per gram fresh weight?

23 September 2015 6,177 10 View

Are there search papers interesting in the relationship between biofertilizers application and bud success in fruit trees?

effects of biofertilizers application on bud success in fruit trees

23 September 2015 6,224 1 View

Biostimulants application methods

In your opinion, what methods of adding Biostimulants are more efficient and economically beneficial for fruit trees with best effects on growth and yield, are they injecting tree trunk, foliar ,...

01 January 1970 8,768 5 View