The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.

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How is the acetone method different from QB buffer for extraction of plant protein?

I primarily work on animal tissue but I thought of running an SDS-PAGE for plant tissue just for fun. I searched for some protein extraction protocols online and I don't know which one to choose. One ...
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2answers
78 views

Does a plant have to have leaves to produce fruit?

Is it possible that a plant can still produce fruit, even though it may not have leaves? Are there any plant species that can produce fruit without leaves?
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14 views

How can I grow seedless strawberries [on hold]

Many people with diverticulitis are under the impression that they can't eat foods with seeds. Although this does not seem to research based the practice seems to persist. I want to know how I can ...
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37 views

Is it possible to create the “perfect plant” at home? [on hold]

I am starting a hydroponics farm/garden and I am interested in creating something like the perfect lettuce. I want attributes like crunch factor and shelf life. Is this a possibility that I could do ...
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1answer
81 views

Why is the manchineel tree so poisonous?

The machineel tree is incredibly toxic to humans. What advantage could Hippomane mancinella have for being so poisonous? It's name even apparently translates to “little apple that makes horses mad”. ...
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3answers
99 views

What type of tree is this?

This is a tree that I have been growing. I'm wondering if this is a mulberry, and if so, what kind? Location is Arizona.
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will 2,4 Dichlorophenoxy acetic acid be effective as an herbicide against banana and papaya

Since 2,4 D is effective against broad leaved weeds/plants, will it be effective in case of banana and papaya?
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1answer
76 views

Alder Tree Root Nodule Origins?

I recently found out that alder trees have root nodules which contain nitrogen-fixing bacteria and that alders are primary colonizers in primary succession. That leads me to this question: since there ...
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1answer
27 views

what is the effect of temperature and carbondioxide on the opening and closing of stomata?

I am teaching biology in an academy. The question which I had asked above had been raised by on of my students. I tried my level best to search out the answer to this question but I could not find the ...
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1answer
48 views

How to measure the biomass of hydroponic plants in netpot/rockwool DWC system?

I'm doing an experiment with 4 kale plants, each in their own small deep water culture (DWC) system. Each plant was transplanted in rockwool with netpots and clay pebbles. But I need to periodically ...
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1answer
94 views

Why do fruits have to ripen?

It seems like most fruits that we consume undergo some sort of ripening process either before or after they are picked from the vine, tree, etc. I understand that sugars are released during the ...
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1answer
44 views

Species Identification: Coniferous tree, Italy

I noticed it close to the place where I work, I live in Italy Could you tell me the complete name of this tree? Particular of the leaves
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1answer
56 views

Species Identification: Bulbous root on plant, Southern California, USA

In Southern California, I was pulling out some roots and grasses and weeds in our backyard, and I noticed something weird. It appeared like there was a grape-sized bulb of something connected to one ...
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0answers
11 views

Does alcohol affect water potential across a tonoplast? If so, would it cause it to explode or implode?

This was a question I saw in a biology exam I recently sat. I know it affects the r-groups of the transport proteins, causing them to change shape and become leaky, but does it also affect water ...
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1answer
2k views

Ripening bananas artificially: What is the biological reason

I am a resident of the tropical island of Sri Lanka, and we have a strange traditional method to ripen our banana harvest quickly. What we do is this: We dig a pit in earth that is enough to put the ...
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0answers
11 views

Is any of this a Fern? [migrated]

A couple of months ago I planted some silver fern spores. For a while nothing happened, but now I have 2 different types of plants growing in my pot, and I'm not sure if I should be removing one of ...
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0answers
17 views

Do cortical cells in root have higher water potential than endodermal cell solution?Or is it the other way round?

Well, water normally passes from root hair cells to cortex to endodermis, and from there to the xylem vessels. All of this occurs down the water potential gradient by apoplastic or symplastic pathway ...
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0answers
7 views

What is Amphitropous ovule & what is Hemianatropous ovule? Got different answer from different sources

I have two books where they are saying just the opposite of what the internet websites saying. The two books are:- STUDIES IN BOTANY written by Mitra, Mitra, Chowdhury A TEXTBOOK OF BOTANY written ...
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2answers
184 views

Why do pink rain lilies flower only after rains, and not from being watered?

We have pink rain lilies (Zephyranthes carinata) in the garden. In my personal experience, I've found that they always flower, without exception, shortly after rains. However, there are roughly ten ...
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0answers
18 views

What is the name for the mark on a fruit or vegetable where it connected to the main plant via the Peduncle/Pedicle?

When you pick a fruit or vegetable there is very often an obvious mark left on it from where it was attached to the Peduncle/Pedicle. I was wondering if this area has a name. It's clearly visible on ...
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2answers
21 views

What is the genetic difference between two cone branches?

As we can see on this larch, male and female cones are sometimes directed to grow on the opposite side of the branch. We were told in school that this mechanism works against self-fertilization. Also ...
3
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1answer
131 views

What's the (or some of the) minimum(s) amount of atmospheric carbon dioxide needed by plants?

We currently have a problem of increasing CO2 in the atmosphere. But assuming we find a way to carbon sink it, what is the minimum CO2 we need to leave in the atmosphere to provide a source for ...
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1answer
56 views

Difference between the P4 and P5 subtypes of P-type ATPases in plants

In plants there are various kinds of P-type ATPases. What is difference between P4-ATPase and P5-ATPase?
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1answer
16 views

Indoor plants acidic soil

I have a ponytail tree plant. The new growth look anemic, pale and thin. And several leave have browned from the midway to the ends of the leaves. The stem is woody and firm. Though it is in a solid ...
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1answer
57 views

What kind of kale is this?

I'm from Pennsylvania and I used to get this kale all the time at the grocery store, but I moved to the West Coast recently and can't find it anywhere! It looks exactly like this photo: Image source:...
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1answer
61 views

What is the name of this green plant with thin leaves?

I've seen this in Scotland between Balmaha and Inversnaid: A higher resolution is here: https://commons.wikimedia.org/wiki/File:Balmaha-Inversnaid-9.jpg What is the name of this green plant with ...
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1answer
41 views

Mangroves and desalination of sea water

I am not an expert but I guess that mangroves (or some other plants that thrive in sea water) perform some kind of desalination to extract fresh water from sea water. Is this true? If yes, What ...
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2answers
304 views

What is the name of this plant with small, 5-leaved divided pink blooms?

I found this in a forest in Karlsruhe (Germany). The blooms are pink and have 5 leaves. Each leave is divided into two parts. It is pink and has a diameter of about 1-2cm.
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0answers
40 views

Do trees have genes for stopping the grow?

Do trees have genetically encoded to stop growing at some height, to keep dividing the cells only to a certain amount, or to pump nutritions only till it's advantageous because they've already ...
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2answers
5k views

Why is it beneficial for trees to grow that tall?

Why is it beneficial for trees to grow that tall? This sounds like a kid's question Mom, Dad... why are trees so tall? Costs and Benefits There are some obvious ...
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0answers
23 views

What tell a plant to have one/a lot of flower(s)? [closed]

some plants just have one flower and some have more. This is the question. please simply tell me how? which genes or pathways control this in various plants?
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0answers
21 views

Banana cultivar identification

I found a cultivar of banana that I haven't seen before (and that was significantly different from the standard Cavendish cultivar) in a market in Hong Kong today, due to the language barrier (...
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1answer
2k views

Why doesn't the herbicide 2,4-D damage lawn grass?

I sometimes use 2,4-Dichlorophenoxyacetic acid to control broadleaved weeds in lawns. It is selective, and quickly kills the dicot weeds, while other plants are unharmed. 2,4-D is a synthetic auxin,...
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1answer
932 views

Which Papaya (Lechosa) plant (male or female) bears fruit?

I will be planting Papaya fruit seeds and I understand that there is a female and a male plant, so how can one distinguish which are the ones that will bear fruit and which I should just rip up by its ...
2
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1answer
54 views

Can galls be formed from mutualistic relationships?

According to Wikipedia, galls (cecidia) are formed by parasitic insects and mites like gall wasps (Neuroterus albipes). At some metamorphic stage, these organisms alter cell division processes in ...
19
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1answer
910 views

What is the lowest pressure at which plants can survive?

What is the lowest pressure at which plants can survive? How the plants behave in a Martian-type atmosphere? Is there any plant that can survive such atmosphere? Can a lichen grow at Martian pressure?...
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2answers
281 views

How does Pothos grow in only water?

The popular potted plant, Pothos aureus (or Epipremnum aureum) is happy to grow in a jar, with only water, for years. How is this possible when other plants need at least Nitrogen, Phosphorus and ...
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0answers
22 views

Fe(II) and Fe(III) transport from rhizosphere across plasma membrane

Does the graminaceous plants have passive uptake of Fe(II) via a passive Fe(II)-transporter enzyme? Or it it only dicots and non-graminaceous plants that have the Fe(II)-transporter enzyme? Also, can ...
2
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0answers
49 views

Rosemary room temperature at winter

I consistently read in non-scientific resources that I have to put my rosemary to low temperature (about 10°C) in winter (unless I don't want it to freeze). I googled, but I fail to find a scientific ...
5
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1answer
68 views

Total dark deprivation at day-neutral plants

First of all, I am not a biologist. Almost for a week, a question has come to my mind: "Is it harmful ceaselessly exposing a plant to light?" (I mean with natural & artificial light with ...
2
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1answer
76 views

Which sources can I use to study botany and horticulture?

I refer with this question to those among you who have a strong background and work in fields like: botanics, horticulture, dendrology, etc. I would like to start building a solid preparation, both ...
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2answers
420 views

How do roots obtain nutrition?

I have a city garden (see picture below) and yesterday I was nurturing it and I pulled up a small plant. I saw its root system and laid it in the sun to dry a bit and then scraped of the rest of the ...
3
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1answer
94 views

Do lunar rhythms have really impact on plant growth?

It is commonly known that lunar rhythms have influence on plant growth, and there are even lunar calendars to know when planting, pruning, transplanting, harvesting, etc. I know that the lunar cycles ...
2
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2answers
23 views

Ions in Stomatal Opening Mechanism

When a stoma’s guard cells try to swell and open the stomata, they actively pump out protons outside of the cell. This causes a membrane potential, where the inside of the cell is negative with ...
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2answers
70 views

Does anyone know the explanation for branches with different flower colors (see picture)?

As you can see in the below picture, there's a branch with white-colored flowers, while the rest of the tree has pink flowers. I googled a number of questions but it is a bit complicated to ...
9
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3answers
827 views

Why do many fruit trees have five-petaled flowers?

Peach, pear, apple, cherry, and many other fruit trees seem to have flowers comprised of five petals. Assuming there is no evolutionary advantage to confusing students of trees, is there a plausible ...
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0answers
17 views

Moss Transportation System

In my biology textbook, it says that mosses are avasculer and do not have xylem like spermatophytes. So by what means do mosses transport nutrients ?
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2answers
24k views

What factors affect the rate of transpiration in plant leaves?

I'm trying to get my head around factors which affect transpiration in leaves. For example, how would applying petroleum jelly to the surface of plant leaves affect their rate of transpiration? I ...