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why does my caladium act like she is starving for light. hang on

hmmm

Bearded Iris

The surprising diversity of Pineapples (Ananas comosus).

The Active Pineapple Germplasm Bank (Pineapple AGB) of Embrapa Cassava & Fruits (Embrapa/ CNPMF) has more than 700 accessions under field conditions. As backups, there are copies kept in a greenhouse, with one or two plants per accession, cultivated in plastic pots with commercial substrate. An in vitro gene bank was established in 2003, and during the past few years, several studies have been carried out to improve the in vitro conservation protocol. Currently, about 60% of the AGB’s accessions are preserved by this protocol. Another conservation strategy used is cryopreservation of shoot tips and pollen grains, with well-defined methods. One of the most significant advances in the pineapple germplasm conservation has been the implementation of a quality control system, which enabled to define standard operation procedures (SOP) towards a more efficient and safer germplasm conservation.

Source:

Vidigal Souza, Fernanda & Souza, Everton & Aud, Fabiana & Costa, Eva & Silva, Paulo & Andrade, Eduardo & Rebouças, Danilo & Andrade, Danilo & Sousa, Andressa & Pugas, Carlos & Rebouças, Érica & França, Beatriz & França, Rivã. (2022). Advances in the conservation of pineapple genetic resources at Embrapa Cassava and Fruits. 28. 28-33.

The beginning of a blackbutt hollow on a marri tree (Corymbia calophylla).

When fire burns severely it can sometimes 'kill' the bark, even on hardy fire-adapted Eucalypts. This causes a loss of integrity and will fall away, like we can see here. Now the trunk is exposed without bark on this side. The tree will generate another bark layer, but until it does, it will be subject to insect attack and other issues.

These blackbutts are now more susceptible to damage from fire. Over the years as repeated fires effect the area, the hollow will become bigger, and fire can get 'into' the tree rather than just burning the bark, and they can burn from the inside out. We call these trees "chimneys." You will see what looks to be a normal, un-burnt tree, but it's billowing smoke out the top - because it's burning internally.

This is a giant marri blackbutt is completely burned out underneath (6'3" friend for scale)!

From beneath. By the way, this tree is still alive!

📸 @fire-ecology

The Tallest Trees in the World

Yareta or llareta is a velvety, chartreuse cushion plant in the family Apiaceae which is native to South America. It grows in the Puna grasslands of the Andes in Peru, Bolivia, northern Chile and western Argentina at altitudes between 3,200 and 5,250 metres.

Photos by Andres Puiggros V.

Staying Alive in the Atacama

The Llareta (or yareta) plant (Azorella Compacta) of the Atacama Desert is well known for being one of the longest living organisms on the planet. Some of the larger specimens have been calculated to be approximately 3000 years old. While this is, by itself, a magnificent feat, the llareta holds some of it’s most wonderful characteristics close. Literally.

Weiterlesen

Imagine a pinecone as heavy as a bowling ball and the size of a chihuahua. Believe it or not, such pinecones exist—and they belong to the coulter pine (Pinus coulteri), a conifer that can be found in parts of North America including California and Mexico. Infamous among loggers and foresters, this tree is nicknamed "the widowmaker" because of the unlucky individuals who met their fate as a result of its falling pinecones. This species produces the largest pinecones on the planet, weighing up to 11 lbs (5 kg)!

Photo: damontighe, CC BY-NC 4.0, iNaturalist

When it rains the white petals of Diphylleia Grayi also known as skeleton flowers, turn crystal clear.

I am once again thinking about digging holes

It's so fucked up that digging a bunch of holes works so well at reversing desertification

I hate that so much discourse into fighting climate change is talking about bioenginerring a special kind of seaweed that removes microplastics or whatever other venture-capital-viable startup idea when we have known for forever about shit like digging crescent shaped holes to catch rainwater and turning barren land hospitable

Turquoise Elfcups

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