Why do trees wither and why do trees lose their leaves?

Because autumn means the advent of winter, trees need to be dormant for self-protection, and overwintering dormant trees themselves also need nutrients, in order to regulate their own homeostasis, many trees need to fall leaves, reduce water, nutrient loss, save energy and wait until the conditions are suitable before germinating; Some trees such as pines and cypresses can remain evergreen because their leaves are like needle tips and have very little water loss.

People often use the phrase "autumn wind sweeping away the leaves" to describe the autumn scenery in temperate regions. When autumn arrives, the leaves of broad-leaved trees such as poplars and locust trees gradually age, and with the autumn wind, the yellow leaves quietly fall. You may feel sorry for the falling leaves, but have you ever thought that falling leaves are precisely the self-protection of trees?

When it was cold, people lit stoves and put on cotton clothes. But what about the trees? They can only survive the winter safely by stripping their leaves to minimize water transpiration.

Otherwise, it is already difficult for the roots to absorb water, but the transpiration of the leaves continues as usual. Think about it, what awaits the trees but death?

The petioles originally grew stiffly on the branches. In autumn, as the temperature drops, several layers of fragile parenchyma cells form at the base of the petioles. Because these cells are easily separated from each other, they are called delamination.

When the separation layer is formed, it breaks if it is blown by a slight breeze, and the leaves fall down.

Leaves are broad-leaved trees in temperate regions, reducing transpiration and preparing for a safe winter.

Just like humans, the aging of certain absorption organs, the function is weakened, they cannot maintain their own requirements, the vitality of the cells is also weakened, and in this way, the tree withers, the absorption is less than the release, and the organic matter becomes less and less.

If the wilting of the tree is caused by rotten roots, the roots need to be pruned, pruned with branches and leaves, and disinfected and replanted. If tree withering is caused by poor maintenance environment, the maintenance environment should be improved in time. If the tree is wilted due to a long-term lack of fertilizer, it is necessary to apply rotten cake fertilizer water every half month during its growth period.

Why does the Happiness Tree always lose its leaves in this season? There are 3 reasons, one is that there is a problem with the roots, one is that the happy tree is not adapted to the change of the environment, and the other is that the happy tree is a deciduous small tree that will lose its leaves normally in this season.

Leaf shedding is to conserve energy, and plants do not get as much energy in autumn and winter as they do in spring and summer, such as heat. In order to allow the plant body to survive the harsh winter, the leaves that consume a lot of energy are taken off, so that there is energy to grow new leaves in the next year.

Because once autumn comes, the growth of trees will become sluggish, because of the influence of external climate change, the internal nutrients ** are limited, and the function of leaves to produce nutrients begins to deteriorate at this time, so trees begin to lose leaves in order to maintain internal balance and reduce excess burden.

Autumn deciduous plants are due to the lack of sunlight in winter.

Unable to synthesize the organic matter needed to sustain life.

Therefore, the leaves are dropped to avoid water loss.

Whether a tree is defoliant or not is determined by its long-term evolutionary evolution and adaptation to the natural environment. Deciduous tree species fall defoliation because of the need to resist adverse environmental factors, such as falling leaves in winter, in order to reduce water evaporation, so that the cytoplasm in the body from liquid to colloidal transformation to enhance its resistance to stress, so as to survive the cold winter, when the plant is shed, the plant hormone abscisic acid in the body produces the effect of changing the separation layer between the leaves and the plant body. Separation occurs between cells, and as a result, leaves fall off.

Question 1: What tree never dies Is it a brain teaser? Tree in the drawing.

Question 2: What tree will never die The tree in your heart.

Question 3: What tree will never cry to death Regardless of what other people think! Go your own way!

Question 4: What tree will never bloom? Alder is probably the only tree that doesn't bear fruit. Because it is a fern, it reproduces by spores and does not bloom. All other trees are seed plants and must be flowering, and figs are no exception.

Question 5: "This tree will never wither." What does the "tree" refer to?

"Never wither" because the purpose of the tree planter is to check the growth of the sapling, and to replant and water it in time "The tree planter is no longer coming" because the sapling has taken root and the surviving sapling has learned to survive independently in the changing environment. There is no longer a need for tree planters to take care of it.

Question Six: Brain teaser dd what tree has no roots Christmas tree.

Question 7: Is it true that some trees grow for a long time and never die?

The room is very long, forever.

Won't die this is.

That's right! So there is.

The term "thousand-year-old tree".

Question 8: The peach blossoms of the ,,, ** will never wither The autumn moon hangs high in the sky, and Xianlang plays quietly in the forbidden room.

In the middle of the year, only tonight is good, and there is no such leisure in the sea.

Question 9: What medicine can make a tree die Go to the pharmacy to buy 1 yuan potassium permanganate, with a lot of water to irrigate, the tree god will die without knowing it, this method is particularly economical, because potassium permanganate is cheap.

Sprinkle lime on the roots, or the pesticide paraquat or bury it under the roots of the tree with sulfuric acid caustic soda and burn it to death.

Here's how to let this plant wither:

1. Salt: Edible salt can make the roots of the tree wither due to inhalation of a large amount of salt, and some high-concentration salt water can be dissolved according to the size of the tree, and slowly poured down along the surrounding of the root, so that the salt water can seep into the soil of the root.

2. Engine oil: Oil pollution can cause suffocation of plant roots and hinder the absorption of water by trees. Therefore, to make a tree wither, you only need to peel off the tree from the surrounding soil, then pour in some waste engine oil, and then cover the soil, and after a while, you will see the tree wither.

Here's how the tree withers:1. Use a knife to cut off the bark around the trunk, peel off a circle of bark, pay attention to prevent the tree from healing its own long bark, and destroy it when it grows a little. In about half a month, the trees will gradually wither, and the process is relatively slow.

2. Go to the pharmacy to buy an appropriate amount of potassium permanganate solution, dilute it with water, and water it directly around the tree, causing burns to the roots of the tree, the leaves will gradually turn yellow and fall, and the tree will gradually wither for a period of time.

3. In the soil around the trees, dig a few large pits and bury the appropriate peppercorns, in order to quickly make the socks trees wither, you can dig a few more pits and bury some peppercorns. You can also splash sulfuric acid and caustic soda around the roots of the tree, which will burn it to death, and soon the tree will gradually die.

Summary. 1. To prevent and control rot disease, first of all, the pruned roots should be cleaned with water, if there are antiviral drugs coated before, the soil needs to be replaced, and then it can be sprayed with soil mycozim and other potions every other week.

The pot is exposed to sunlight in all directions, keeping the air humidity moist and promoting coordinated growth.

3. Water can be sprayed on its leaves 2 to 3 times a day, which can effectively prevent the leaf tips of newly pumped leaves from yellowing.

What to do if the tree withers.

1. To prevent and control rot disease, first of all, the roots after pruning should be cleaned with water, if there are antiviral drugs coated before, the soil needs to be replaced, and then sprayed with soil mycozim and other potions every other week to turn the pot to irradiate the sun in all directions, keep the air humidity moist, and promote coordinated and good growth. 3. Water can be sprayed on its leaves 2 to 3 times a day, which can effectively prevent the leaf tips of newly pumped leaves from yellowing.

How to rescue most of the 35-centimeter camphor tree branches that died.

It is recommended that you change the soil or prune the camphor tree.

After the consultation is over, thank you for the trouble.