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Joseph Lofthouse

author & steward
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since Dec 16, 2014
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Biography

Joseph Lofthouse grew up on the farm and in the community that was settled by his ggg-grandmother and her son. He still farms there. Growing conditions are high-altitude brilliantly-sunlit desert mountain valley in Northern Utah with irrigation, clayish-silty high-pH soil, super low humidity, short-season, and intense radiant cooling at night. Joseph learned traditional agricultural and seed saving techniques from his grandfather and father. Joseph is a sustenance market farmer and landrace seed-developer. He grows seed for about 95 species. Joseph is enamored with landrace growing and is working to convert every species that he grows into adaptivar landraces. He writes the Landrace Gardening Blog for Mother Earth News.
Farming Philosophy
Promiscuous Pollination and ongoing segregation are encouraged in all varieties. Joseph's style of landrace gardening can best be summed up as throwing a bunch of varieties into a field, allowing them to promiscuously cross pollinate, and then through a combination of survival-of-the-fittest and farmer-directed selection saving seeds year after year to arrive at a locally-adapted genetically-diverse population that thrives because it is closely tied to the land, the weather, the pests, the farmer's habits and tastes, and community desires.
Joseph lives under a vow of poverty and grows using subsistence level conditions without using cides or fertilizers. He prefers to select for genetics that can thrive under existing conditions. He figures that it is easier to change the genetics of a population of plants than it is to modify the soil, weather, bugs, etc. For example, because Joseph's weeding is marginal, plants have to germinate quickly, and burst out of the soil with robust growth in order to compete with the weeds.
Biodiversity
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Cache Valley, zone 4b, Irrigated, 9" rain in badlands.
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Recent posts by Joseph Lofthouse

G Freden wrote:Request:  I would find it helpful if permies had an AI policy to reference for questions like these, could that maybe be in the works?



At the present moment, no reliable LLM detector exists.

During my childhood, the local restaurant put a heavy weight on burgers while cooking—I presume to flatten them. Or perhaps to reduce cooking time?

1 day ago
Rescuing a tomato breeding project from 1974

In 1974, plant breeder Donald W. Denna at Colorado State University was working with crosses between wild Solanum peruvianum and domestic tomatoes.

Denna died unexpectedly the following year, at only 44 years old. His breeding work ended, but some of his seeds survived.

As the story came to me, the seeds spent decades forgotten in warehouse storage before someone rescued them and passed them along through the seed-saving community. Eventually, many hundreds of them reached me.

I have previously tried planting them with miracle rescue techniques. None germinated. This year I planted the last of the 1974 F₂ seed without any special care other than hydrating them gently. Two germinated.

Both are now producing fruit.

I don't know how much of the story of their fifty-two-year journey I can document. What I can document is Donald Denna's work. He studied S. peruvianum, self-incompatibility, and pollinator attraction, and proposed transferring those traits into domestic tomatoes. His published work sounds remarkably familiar to some of the tomato breeding I've been doing half a century later.

I rarely care whether an individual plant lives or dies. Populations matter more to me. But I wanted these two to reproduce.

Apparently they did.

Denna studied S. peruvianum, self-incompatibility, and pollinator attraction, and proposed transferring those traits into domestic tomatoes. Half a century later, I find myself exploring remarkably similar territory.

I rarely care whether an individual plant lives or dies. Populations matter more to me. But I wanted these two to reproduce.

They did.

Thank you, Donald Denna. I'll do what I can to keep the genetics moving.

Also today, because of proximity and abundant pollen, I pollinated some of these flowers with Solanum pennellii pollen.
5 days ago
New varieties of tomatoes. I expect to send them to Experimental Farm Network this fall.

Wild Sunshine
Descendants of a cross between SunSugar and the Profoundly Promiscuous and Totally Tasty tomatoes. Selected for years for fruity flavor and orange fruits. Three species contributed to this population.

Island Joy
Derived 50% from Solanum cheesmanii and 50% from Profoundly Promiscuous and Totally Tasty tomatoes. A young, highly segregating population, so expect lots of diversity and wildness. Orange and yellow fruits. Four species contributed to this population.

Island Sprite
Derived 50% from Solanum pimpinellifolium and 50% from Profoundly Promiscuous and Totally Tasty tomatoes. These tomatoes captured my imagination by growing as highly productive micro-plants. The fruits taste like familiar red tomatoes. Four species contributed to this population.

Island Dance
A diverse mix of the three Galápagos Islands tomato species, their natural inter-crosses and off-types, with additional influence from the Profoundly Promiscuous and Totally Tasty tomato project. Expect abundant diversity and plenty of surprises. Orange, yellow, and red fruits. Six species contributed to this population.
5 days ago
Alfalfa tends to rot when it gets wet, much more than straw does. The seeds in straw may sprout quicker and more reliably than those in alfalfa.
1 week ago
I learned as a child to freeze summer sweet corn for winter scarcity.
3 weeks ago
Here's a photo of the Island Dwarf tomato plants.
3 weeks ago
I can't envision the structure very well, but I discovered that swales need spillways, and I really like rip-rap or cobbles for constructing spillways.
3 weeks ago
A couple of techniques used in cold climates to overwinter cacti include planting them under tents/sheds, and using soil that drains quickly.

In my own cactus garden, I laid down 8" of lava/pumice, and covered it with 8" of 70:30 sand:compost.
3 weeks ago
I started an herbarium to more easily keep track of the promiscuous tomatoes. It will also help with grape ID.
3 weeks ago