The plant of polynymia - the cultivation and care of a plant
I'm always interested in plants rare for our locality and those that can be grown, planted, to watch this diva on my site.
In the winter of last year, I received seeds on my order Polymnia uvedalia. This is a medicinal plant, and it was necessary to sow it, as I knew, in March. The seeds were small, 5 × 3 mm, dark brown, oval. In March, he sowed them in a small bowl.
In anticipation of seedlings, he began to collect more detailed information about this plant. I found out that the genus Smallanthus, to which polymynia belongs, includes several species, and one of them is already well-known in our country - I mean yakon. In fact, polymonia is a wild species of yacon that grows in nature in ravines, on the fringes of forests from Illinois to Florida (USA). It is considered a weed in the homeland.
POLYMERNIA IS NOT AFRAID OF FROST
Polynia uvedalia is the only member of the genus that grows in frosty climates. So it can be used in the selection of the yacon to increase its frost resistance. Polynia is a perennial plant, but in our conditions it is grown as an annual. It reaches a height of more than 2 m. The stems are erect, branched, with pubescence. The leaves are large, bright green, opposite on the shoots. It blooms successfully in our conditions (from the end of summer to frost) and forms seeds.
The root of the poly- nomia was used by the North American Indians as a stimulant and laxative. This plant, whose roots contain inulin, and is now widely used in cosmetology and pharmacology, as well as in folk medicine.
See also: Yakon plant (photo) cultivation
FROM THE COTTAGE - TO THE GARDEN
The seeds that I sowed began to germinate after about a week. 50% of the total number - 3 plants sprouted. I put the seedling bowl on the windowsill. At first, it was watered with a light pink solution of potassium permanganate. Shoots, albeit slowly, but developed. There was enough space for the seedlings, so I did not plant them.
Summer last year was in no hurry, and in May I moved the seedlings of polyline into a greenhouse. Only in the middle of June he planted the plants in the open ground to the warmest and sunny place, closed from the north by a high fence.
When planting the plants were 20-centimeters and had 3 order on the standing leaves.
THE POPULATION OF POLYMONIA AT THE GRY
It was in this year that I was lucky to find and plant a yakon. By sat him next to the polyline. Later the plants developed equally badly, the cold and rainy summer affected. Only in August warm and dry weather was established, and poly- nomia began to increase noticeably in growth. By mid-August, it had reached a height of 170 cm. Yakon was slightly behind, but not much.
In the 2nd half of August, polymnia bloomed profusely, many small (2-3 cm in diameter) yellow inflorescences were mainly located on the top of the plant. Flowering continued until the frost, which occurred that year much later than usual, somewhere in early October. Warm and prolonged autumn allowed the plant to form a large number of ripened seeds during the excavation I was disappointed - tubers did not form, there was only a root lobe.
The yakon did not blossom at all, but when digging out, I found only poorly formed root tubers. For the development of normal tubers, there was not enough heat.
IS THE SHIRT OF THE FINISH?
What conclusions did I draw after growing two related crops? To get a crop, they need increased attention, fertile loose soil, preferably greenhouse conditions. Plant seeds are not cheap, and if plants are needed to get a good harvest of tubers, our climate can not be called suitable for them. If you give more and more attention to it, perhaps the harvest will be more impressive.
I would like to mention another relative of these cultures - Jerusalem artichoke.
Unlike exotic yakon and polimnii, artichoke completely unpretentious. If you plant it on the site once, the crop will be every year. From one bush you can collect almost a bucket of useful nutritious root tubers, which, by the way, contain inulin, for which yakon and polymyne are so appreciated. Jerusalem artichoke is also a good fodder crop - in this case both the aboveground part and the root tubers are used.
© Author: Alexander LUKSHIN, agronomist, Elniki village, Republic of Mordovia
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