Re: LJ_Tan - Nepenthes
 

Wow.....
We can exchange for it but mine want needs 12months + 2weeks....*biggrin2*

Re: LJ_Tan - Nepenthes
 

Once you started to get more experience, you understand why nep with nice pitcher shape and color is more valuable because it's harder to find.

Me no sifu lar...:shy: sifatt got lar... *biggrin2**biggrin2*

Re: LJ_Tan - Nepenthes
 

Dear NepNut,

Noted.

I have below question and hope all can give some idea on it:

1. Why in same batch of plant but we can found different of pitcher (color and size)?
2. If refer to same species:
a.we pollination grade A (femala) with grade C (male), the baby will be ?
b.we pollination grade A (male) with grade C (female), the baby will be ?
3. If refer to different species:
a.we pollination grade A (femala) with grade C (male), the baby will be ?
b.we pollination grade A (male) with grade C (female), the baby will be ?


Pls advice:shy:

Re: LJ_Tan - Nepenthes
 

Good questions, I will try my best to give you answer... :shy:

1. It's genetics. There'll be no two alike with seed grown plants. Like you and me.... *biggrin2*

2. (a) + (b) Like answer no. 1, it'll be hard to guess how the babies will turn out but generally speaking, the babies will tends to follow the trait of the "female" more when we're talking about nep.

3. (a) + (b) Please refer to answer no. 2

All I can say, if you want to get good cross, choose the parents carefully and be patient to wait for the right time....

Hope this help. Please feel free to add points or correct me if I'm wrong. :shy:

Re: LJ_Tan - Nepenthes
 

Dear NepNut,

Thank for advice :1thumbup::1thumbup::1thumbup:

But how we choose the parents ? Any method ?
"wait for the right time" meaning ?

:shy:

Re: LJ_Tan - Nepenthes
 

LJ,
If you want to get good cross, you'll have to do "selective" breeding. By that it means you will have to choose plants with desirable traits to use it as one or both of the parent.

"Waiting for the right time" mean you wait for the selected plants to flower and made the cross with a selected male pollen. If you simple cross any flowering plants when it flower, then the result will be very random and most of the time the seedlings will only be an average looking species/hydrid.

All this is easier said than done becasue it'll take a long time to do what you wanted (not yet adding the time to grow the seedlings), unless you have a large collection of plants with good traits. Another way is to do pollen exchange and share the seeds among those that contribute.

Another thing you need to remember... there's always less female plants than male, the ratio is about 3 : 7..... that means out of 100 seedlings you grow, there'll be only about 30% females.

Re: LJ_Tan - Nepenthes
 

I like to add to the discussion...

2.
If a trait shown is decided by small gene count, then it is possible to predict offspring characteristics. For human, blood group and eye color are examples. But if a trait spans wide variations, it is likely controlled by a group of genes. Such as height and color. We can expect variations in offsprings from extremes to anything in between. Probably Gaussian distributed. Nucleus DNA is equally supplied by both parents. Characteristics carried by either male or female weigh the same. Gregor Mendel started genetic study using plants...:) Do we know why nep shows more of maternal phenotype (characteristics displayed)? Could it be organelle DNA (chloroplast, mitocondria...)? These carry much fewer genes though.

3.
Hybrids of species having different chromosome count may show phenotype of one parent more than the other. The offsprings are normally sterile due to odd chromosome count. This should not be the case for nep because the offsprings are fertile.

I am neither geneticist nor botanist... feel free to correct me...:)

Re: LJ_Tan - Nepenthes
 

Dear NepNut,

Thank for above.

I learn some new thing.

Current on hand I have 10 plants of N. mirabilis var. globosa and the pitcher was different as I putting the photo in this forum. 2/10 the pitcher was small and was about 1/3 size compare to other. I still waiting do this 2 plants can produce 'big' size pitcher r not.If I'm so 'lucky' that this 2 plants was female, I should cross it with male pollen or not. 1/10 the pitcher was 'round' and 4/10 the pitcher was about 60mm and above.

Or I should 'scrap' the female plants and look for better 'quality' female plant?:shy:

Re: LJ_Tan - Nepenthes
 

Dear tzestan,

You are will welcome to discuss on this item.

Thank for highlight some of the thing that I should learn and find out more information.

The 10 plants N. mirabilis var. globosa that I get from cbkhoon. The size for pitcher was different. I do not sure on do Nepethes have carry any gen that have same function as "blood group" like human. Normally in same batch of seed, we will get 'same' thing - size, color, etc but for Nepenthes was different.

If gen from Female was domain, how do we control on it and do any gen only carry by Female but did not carry by Male. Do them have any 'hide' bad gen that carry by 2nd generation but will 'show' at 3rd generation if we use the same ethnicity.

Re: LJ_Tan - Nepenthes
 

sorry for interupt, mind if i join the discussion also?
i was learning biology on f5, and i saw some question i can answer also, just give it a try

about all plant pitcher is different is because when fertilisation which involve the chromosome from both parent to fuse together to form a complete individual plant with fixed number of chromosomes, and inside the chromosomes, there got two type of genetic which determine the characteristic of the plant, the two types give them a symbol N and n, one represent the strong genetic, another which indicate the weak genetic, when both genetic had fused together, if got nn arrangement, then the characteristic of n will show up, if Nn, N characteristic will show up, if NN, N characteristic will show up, because there got too many different combination can be found in genetic, so they will have different characteristic. For example, i and you and others are human with same number of chromosomes but build up from different combination of genetic which list by the order of AT and GC, these combination form a lot of chromosomes and a lot of chromosomes form DNA, because the arrangement is different, so we look different so just like the pitcher also,some got spot, some got different shape and some got different colour when expose to sunlight. When a gene show a strong characteristic like n.gracilis x raff, it will show the shape of gracilis and colour of raff, it means that gracilis has stronger gene of body shape, raff have stronger gene in colouring, you can see this in one of the thread that David make a long time ago, i forget where is it already, XP