19 votes
Accepted

Does cell culturing contribute to dangerous antibiotic resistance to the same degree as livestock?

Antibiotics are used in very different ways in cell culture and in livestock farming. As you note, in farming, antibiotics are used to manage infection in unsanitary conditions and also to increase ...
jakebeal's user avatar
  • 6,977
13 votes
Accepted

Did the old world have relatives of plants which were brought after the discovery of Americas?

Three of your examples: potato, tomato, and chilies, are from the genus Solanum. Along with the rest of the Solanaceae family, they are most diverse in the Americas but some species are found ...
Bryan Krause's user avatar
  • 45.6k
4 votes
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Potato Power. Self sustaining medium using a living potato plant possible?

Yes, the potato clock will work when still in the ground, but it won't work any better than a potato removed from the ground. Potato batteries are awesome and cool projects, but they often convey the ...
Dubukay's user avatar
  • 808
4 votes
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Impact of latitude on agriculture?

I know this response is coming a bit late but in case you're still curious I have a response! I'm a M.Sc. student working in Agricultural entomology in Northern Canada (between 55 and 59 degrees ...
Amanda's user avatar
  • 56
4 votes
Accepted

Pilot agricultural study terminology

There is no one word for it. The design is typically called by its statistical term of "Randomized block design". There's a good study design page that explains all this here from University ...
bob1's user avatar
  • 12k
4 votes
Accepted

Are sizes of potatoes normally distributed?

According to Evaluation of the Effect of Density on Potato Yield and Tuber Size Distribution potato tuber size was estimated using a normal distribution but they are not normally distributed They ...
Hachiloni's user avatar
  • 973
3 votes

What kind of parasite is this?

This is pear rust (Gymnosporangium sabinae). It is fairly widespread in the northern hemisphere: It is a fungal infection and affects pear trees from junipers. Pruning the affected nearby junipers ...
JimN's user avatar
  • 1,992
3 votes

Is there a practical upper limit to ploidy?

Note that it is customary to restrict posts to a single question, which is easier to answer for these complex topics. I'll do what I can here. I'm going to deal with everything at once and then ...
Maximilian Press's user avatar
3 votes
Accepted

Is it possible to produce bread using only microorganisms?

It looks like that yeast has been engineered to produce starch. First of all, the authors had to knock out the genes responsible for the glycogen metabolism pathway (both glycolysis and ...
LinuxBlanket's user avatar
  • 1,313
2 votes
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Why is it common to grow microalgae in bottles or canisters?

Really, the credit for this answer goes to another 'Homo sapien' from the Spirulina manual link in his comment. Why do they use bottles or any type of bottle-like canister? Likely, because they are ...
Luigi's user avatar
  • 3,338
2 votes

Potato Power. Self sustaining medium using a living potato plant possible?

Placing copper on one side of the potato and zinc on the other will not "suck the energy out of the potato". the energy in the potato NEVER gets converted into electricity. The metals do all the work,...
4D Neuron's user avatar
  • 360
2 votes

Are agave plants perennial?

Agave is more closely related to asparagus and hyacinths than to cactus. They are perrenial, you can harvest the lowest half of the leaves to make it look like a little palm tree, it will die after ...
bandybabboon's user avatar
  • 10.4k
2 votes
Accepted

Are agave plants perennial?

When harvesting agave nectar, generally the whole plant is harvested at once to get to the core, where most of the sap is. There isn't exactly an easy way to continually get nectar from the agave ...
ipacpc's user avatar
  • 36
2 votes

Why people don't harvest Locusts when infestation happeds?

Locusts have been harvested in Thailand and Australia they call them sky-prawns. They deep-fry them and consume them happily. http://www.bugsfeed.com/locust http://www.fao.org/docrep/017/i3246e/...
bandybabboon's user avatar
  • 10.4k
2 votes
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Do spring varietes of cereals have a process of vernalization?

The answer depends to some degree on what you mean by "some process of vernalization". As far as I know, the difference between winter and spring varieties is a matter mostly of how strong ...
Maximilian Press's user avatar
2 votes

Preservation of citrus fruit

I had a look through some web pages and came across one on shipping of oranges that indicates the storage conditions and treatments that may be applied to oranges. This isn't necessarily about oranges ...
bob1's user avatar
  • 12k
2 votes
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Is somatic fusion/hybridization off-limits to DIY-ers? ELSE: how can an infertile plant's characteristics be salvaged to a fertile one?

Not 100% impossible, but highly unlikely (upwards of 99% impossible) for the average home experimenter to be able to do. Your biggest barriers will be Cost - you need extensive, very expensive ...
bob1's user avatar
  • 12k
2 votes

Can bottlenecked potato immunity defence be increased with knockouts?

This sounds to me like a CRISPR approach used to create S (blight susceptibility) gene knockouts that are then screened for blight resistance, though it's a little hard to know for sure due to the ...
Maximilian Press's user avatar
2 votes

Hybrid corn yield vs mass-selected corn

Hybrid corn IS a "Mendelian selection scheme". The issue here is more predictability and uniformity of crop growth and yield. Normally, plants are genetically varied and having different ...
Armand's user avatar
  • 1,711
1 vote

Database or model for plant nutrient requirements with respect to soil and climate?

Not sure exactly what you're looking for, but I can at least suggest the following: https://www.try-db.org/TryWeb/Home.php TRY is a worldwide plant trait database providing free and open access to ...
theforestecologist's user avatar
1 vote

Saving a Maize Landrace from Inbreeding Depression

After planting the 10 seeds, manually cross-pollinate the plants with each other to ensure that (1) there's no self pollination, (2) every seed contributes equally to the gene pool, and (3) no foreign ...
Seun Osewa's user avatar
1 vote

Optimal agriculture: maximum yield with minimum environmental impact

I believe you are looking for information on "sustainable agriculture". There are many aspects of production in agriculture like: fertilization, irrigation, pesticides and (no-)tillage. One ...
Hachiloni's user avatar
  • 973
1 vote

Optimal agriculture: maximum yield with minimum environmental impact

Publications by the Food and Agriculture Organization http://www.fao.org/documents/card/en/c/ca9692en of the United Nations would be a good place to start as they are freely accessible. There are ...
labknown's user avatar
1 vote

Can we graft a tree with cells from the seed directly?

Tree grafting involves a rootstalk and a scion (part to be grafted onto the rootstalk). Here is a reference on the basics of grafting. Usually, this is done to combine the advantage of a strong or ...
laporp's user avatar
  • 443
1 vote
Accepted

Is it possible to extract tissue-culture material from a seed?

Yes. It's quite common, to the degree that it's done by some hobbyist plant breeders. See en.wikipedia.org/wiki/Embryo_rescue However, AFAIK (I'm not an expert), it wouldn't be done for raising ...
jamesqf's user avatar
  • 3,643
1 vote

Should corn be considered an invasive species in the Midwest?

Should corn be considered an invasive species in the Midwest? I agree with commenter Bryan Krause in that this question requires opinion -- but I think it only requires opinion as to the definition ...
Jessica Burnett's user avatar
1 vote

Mutate from non-GM to GM?

The process of genetically modifying crops is performed in a lab. Genes would not leak into planted organic crops from compost any more than they would move from decomposing soil nematodes, earthworms,...
Karl Kjer's user avatar
  • 7,663
1 vote
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How many kg of seed can one expect from 230 kg of cotton fiber?

According to this document (pdf) the rate is around 700 lb seed per 500 lb of fibre. seed = 1·4 × fibre 230 kg fibre ≅ 320 kg seed (Strangely, the rate has fallen over time.)
Alan Boyd's user avatar
  • 22.8k
1 vote

Why haven't modern grass based crops overrun wild grasses?

Modern grass crops (cereals) haven't run out in the wild is because that was the whole purpose of their development. What differs them from their wild counterparts are the domestication traits, like, ...
cropgen's user avatar
  • 131
1 vote

Do you know of ways that help a plant to produce more flowers?

One way getting most attention is re-deriving Crocus sativus again. Crocus sativus (with autotriploid chromosomes) is derived from Crocus cartwrightianus (diploid). ref for this is https://www....
Polypipe Wrangler's user avatar

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