Why is heartwood rot resistant? -Biology

Description : Heartwood differs from sapwood in (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having dead and non-conducting elements (d) being susceptible to pests and pathogens.

Last Answer : (c) having dead and non-conducting elements

Age of a tree can be estimated by (a) number of annual rings (b) diameter of its heartwood (c) its height and girth (d) biomass.

Description : Age of a tree can be estimated by (a) number of annual rings (b) diameter of its heartwood (c) its height and girth (d) biomass.

Last Answer : (a) number of annual rings

Identify the wrong statement in context of heartwood. (a) It is highly durable. (b) It conducts water and minerals efficiently. (c) It comprises dead elements with highly lignified walls. (d) Organic compounds are deposited in it.

Description : Identify the wrong statement in context of heartwood. (a) It is highly durable. (b) It conducts water and minerals efficiently. (c) It comprises dead elements with highly lignified walls. (d) Organic compounds are deposited in it.

Last Answer : (b) It conducts water and minerals efficiently

Identify the incorrect statement. (a) Heartwood does not conduct water but gives mechanical support. (b) Sapwood is involved in conduction of water and minerals from root to leaf. (c) Sapwood is the innermost secondary xylem and is lighter in colour. (d) Due to deposition of tannins, resins, oils, etc., heartwood is dark in colour.

Description : Identify the incorrect statement. (a) Heartwood does not conduct water but gives mechanical support. (b) Sapwood is involved in conduction of water and minerals from root to leaf. (c) Sapwood is the innermost ... . (d) Due to deposition of tannins, resins, oils, etc., heartwood is dark in colour.

Last Answer : (c) Sapwood is the innermost secondary xylem and is lighter in colour

Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Description : Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Last Answer : Answer: Option B

Identify the wrong statement in context of heartwood: (1) It is highly durable (2) It conducts water and minerals efficiently (3) It comprises dead elements with highly lignified walls (4) Organic compounds are deposited in it

Description : Identify the wrong statement in context of heartwood: (1) It is highly durable (2) It conducts water and minerals efficiently (3) It comprises dead elements with highly lignified walls (4) Organic compounds are deposited in it

Last Answer : 2) It conducts water and minerals efficiently

Did anyone else hear that interview yesterday on NPR about the 3 acre plot where dead bodies are laid out to rot?

Description : Did anyone else hear that interview yesterday on NPR about the 3 acre plot where dead bodies are laid out to rot?

Last Answer : I didn’t hear the interview yesterday, but I have heard that there is a place called The Body Farm that they lay bodies out to research decay, the phases of bug infestation in decaying bodies, etc.

Any advice for combatting fin rot in a betta fish?

Description : Any advice for combatting fin rot in a betta fish?

Last Answer : They sell antibiotics in most fish stores to treat it. I think it’s bacteria that cause the problem.

Why don't the trees in the lake fall over or rot?

Description : Why don't the trees in the lake fall over or rot?

Last Answer : The roots are not exposed to the insects and bacteria that rot the upper parts of the trees. They retain their strength over amazingly long periods of time.

Do Diet Coke/Diet Pepsi/Diet Colas really rot children's teeth?

Description : Do Diet Coke/Diet Pepsi/Diet Colas really rot children's teeth?

Last Answer : Diet sodas have artificial sweeteners, right? Those things are terrible for you. I avoid them at all cost, and wouldn't give them to my children. We drink natural soda, and when my children are old enough ... they can drink it as well. I think it's a moderation thing. Too much can hurt the teeth.

How did my turtle get shell rot?

Description : I have an aquarium that I keep my turtle in. I make sure to keep it clean. How could my turtle get shell rot?

Last Answer : Shell rot is a bacterial or fungal infection. It is usually caused by damage to the shell, even a minor scratch. If the environment is too damp, too dry, if heating or light is incorrect, if ... There are some home treatments, but I would recommend taking your turtle to a reptile vet to be examined.

what causes blossom end rot on tomatoes and what can I do about it?

Description : what causes blossom end rot on tomatoes and what can I do about it?

Last Answer : Need Answer

what do I do about black rot disease in my cherry tree?

Description : what do I do about black rot disease in my cherry tree?

Last Answer : Need Answer

Potted roma tomatoes seeming to rot before ripening, why?

Description : Potted roma tomatoes seeming to rot before ripening, why?

Last Answer : Need Answer

how do you get rid of blossom dry rot on tomatoe plants?

Description : how do you get rid of blossom dry rot on tomatoe plants?

Last Answer : Need Answer

what causes bottom rot on tomatoes?

Description : what causes bottom rot on tomatoes?

Last Answer : Give them some veg fertilizer and the blossom spots will stop

What causes tomato rot

Description : What causes tomato rot

Last Answer : Need Answer

My peaches are getting brown rot, how do I stop it?

Description : My peaches are getting brown rot, how do I stop it?

Last Answer : Need Answer

Why do my tomatoes rot on the bottom as they ripen?

Description : Why do my tomatoes rot on the bottom as they ripen?

Last Answer : soil is lacking sufficient calicum

what causes squash to rot on the vein

Description : what causes squash to rot on the vein

Last Answer : cut off the bad ones, but a layer of mulch under to plants to keep even moisture, spray with 2 tablespoons dawn & 1 qt water to keep bugs off..........

my yellow squash has rot at the flower what am I doing wrong?

Description : my yellow squash has rot at the flower what am I doing wrong?

Last Answer : try some composted horsemanure close to the plants, it will wash in with the rain, also support under the buds with hay or straw to keep them off the ground..............don't wet the plant water under it.

Why do my yellow Squash rot on the vine?

Description : Why do my yellow Squash rot on the vine?

Last Answer : cut the bad ones off........sounds like too much water or too little water...........mulch under the plants don't let fruit rest on soil put newspaper under it. sometimes too many vines will cause a problem cut some of them back to create some fresh air to the plants. Happy Spring.

How do I know if my Peace Lily has root rot can it be saved

Description : How do I know if my Peace Lily has root rot can it be saved

Last Answer : Need Answer

What to do about cherry tree root rot?

Description : What to do about cherry tree root rot?

Last Answer : cherry trees are fussy..........................they need 25 feet apart from other trees and each other for ventilation and space for them to live & breathe............sounds like too close ... do not like to be crowded...........and if it is a closed fence they are not getting good ventilation.

How do I treat palm black rot

Description : How do I treat palm black rot

Last Answer : Need Answer

after harvesting my tomatoes they rot in storage

Description : after harvesting my tomatoes they rot in storage

Last Answer : Need Answer

We have these huge balls of mushrooms in our yard and they spread, rot, and smell. How do we get rid of them?

Description : We have these huge balls of mushrooms in our yard and they spread, rot, and smell. How do we get rid of them?

Last Answer : If you have to cut the grass, use a grass bag on the lawnmower as when you cut them you spread the spores. Now is the time to visit you lawn & garden store and get fuguscide and follow the directions ... very old mulch. Don't mulch anything from that area...You are going to have to bag & trash.

what makes a tomato rot

Description : what makes a tomato rot

Last Answer : Need Answer

how to treat root rot in shrubs

Description : how to treat root rot in shrubs

Last Answer : I would go to the lawn & garden place and ask what spray to use......all evergreens need to be sprayed. The side of the container tells you how often....usually 2 times a year.....fall & spring........ ... mask, hat, gloves and goggles.........don't spray if it is going to rain or if it is windy.

will a ripe watermelon rot if I leave in on the ground? I have 12 ripe watermelon on the ground

Description : will a ripe watermelon rot if I leave in on the ground? I have 12 ripe watermelon on the ground

Last Answer : You can leave them on tge vine for now but, Eventually they will rot...

How do i treat take iot all root rot in my St augustine grass?

Description : How do i treat take iot all root rot in my St augustine grass?

Last Answer : Need Answer

Why do my peaches rot before ripening?

Description : Why do my peaches rot before ripening?

Last Answer : When the snow melts very soon, go to the lawn & garden store and get dormant oil and spray according to directions for fall and then in the spring when the snow starts to melt spray the fruit tree again ... not spray if it' windy or going to rain. Keep children & pets away from that area until dry.

what can I do about tan rot on tomatoes

Description : what can I do about tan rot on tomatoes

Last Answer : the growing season is comming to a close maybe?

How do u prevent tomato bottom rot?

Description : How do u prevent tomato bottom rot?

Last Answer : You need to add lime, mulch & fertilizer to your mix for next years crops..........I used newspaper in the whole garden to keep everything moist.....just leaving a empty area around the ... ate the over ripe cucumbers that we missed......refer to www.aces.edu/dept/extcomm/specialty/ber.html

My tomatoe plants have root rot what should I do

Description : My tomatoe plants have root rot what should I do

Last Answer : this is the best site...... www.aces.edu/dept/extcomm/specialty/ber.html

What is causing my yellow squash plant's main stalk to rot and split open?

Description : What is causing my yellow squash plant's main stalk to rot and split open?

Last Answer : Need Answer

green tomatoes are perfect then when red there is rot on bottom,why is

Description : green tomatoes are perfect then when red there is rot on bottom,why is

Last Answer : Need Answer

How can you stop tomato bottom rot?

Description : How can you stop tomato bottom rot?

Last Answer : This is the best link www.aces.edu/dept/extcomm/specialty/ber.html

What can be done for onion root rot?

Description : What can be done for onion root rot?

Last Answer : sound like both of you need to amend your soil this fall......mulch, lime old horse manure, hay and or straw.....if I have some leaves, I turn that in also with the cultivator. plant the onions in ... your soil needs to be tested....that is when I found out we need much more lime than I was using.

Can a pin oak tree be saved after diagnosed with root rot

Description : Can a pin oak tree be saved after diagnosed with root rot

Last Answer : Sounds like fungus, I thing that you should call a professional tree company. I did read up on the computer about this disease.....all the oak trees have underground connected root systems..........the professional can put some liquid 5 ft under the ground to try and save these trees.

why do i have blossom rot on my squash

Description : why do i have blossom rot on my squash

Last Answer : Need Answer

what group of azaleas have excessive root rot problems ?

Description : what group of azaleas have excessive root rot problems ?

Last Answer : any plants that don't drain off properly will get root rot

my tomatoes won't ripen- they stay green and then rot

Description : my tomatoes won't ripen- they stay green and then rot

Last Answer : Quit watering them for about a week. They'll think they are dying and then hurry up and finish their growing season. Seriously.

dry rot in tomatoes

Description : dry rot in tomatoes

Last Answer : Need Answer

what is tomato bottom rot and how do you get rid of it?

Description : what is tomato bottom rot and how do you get rid of it?

Last Answer : Sounds like a calcium deficiency. Soil's ph should be 6.0 to 6.5.....you would have to do a test..... Next year you will have to add lime to your soil, mulch & ... pinestraw, straw, decomposed sawdust, plastic or newspapers. This conservice soil moisture and reduce incidence of blossum-end rot.

tomatoes-curly rot

Description : tomatoes-curly rot

Last Answer : Need Answer

Why is heartwood rot resistant? -Biology

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Answer :

Please log in or register to add a comment.

Related questions