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| Lathyrus tuberosus | |
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| Species: | L. tuberosus
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| Lathyrus tuberosus | |
For producing organic plant fertilizer[edit]
The residues from the decomposition process (frass) by the larvae comprise larval faeces, shed larval exoskeletons and undigested material. Frass is one of the main products from commercial black soldier fly rearing.[1] The chemical profile of the frass varies with the substrate the larvae feed on. However in general it is considered a versatile organic plant fertilizer due to a favorable ratio of three major plant nutrients Nitrogen, Phosphorous and Potassium.[2] The frass is commonly applied by direct mixing with soil and considered a long-term fertilizer with slow nutrient release.[2] However plant trials found also short-term fertilizing effects comparable to fast acting, synthetic fertilizers.[3] [4] Next to its nutrient provision the frass can carry further components that are beneficial for soil fertility and soil health. One of them is the soil improver chitin[5][6] which gets via chitin-rich shed exoskeletons of the larvae into the frass. Moreover the frass from black soldier fly rearing applied as a fertilizer can effectively alter the soil microbial community composition which plays a crucial role for soil fertility.[7][8]
It is an ongoing debate whether the frass from black soldier fly larvae rearing can be used as a fertilizer in a a fresh state or has to undergo further composting before its application. There are assumptions that further composting would lead to the reduction of potential phytotoxic properties.[9] In the European Union insect frass has to be treated for one hour at 70 degrees Celsius before commercialization for safety reasons whereas the same applies to animal manure in general.[10]
Lathyrus tuberosus, also known as the tuberous pea, tuberous vetchling,[11] earthnut pea, aardaker or tine-tare, is a small, climbing perennial plant, native in moist temperate parts of Europe and Western Asia. The plant is a trailer or weak climber, supported by tendrils, growing to 1.2 m tall. The leaves are pinnate, with two leaflets and a branched twining tendril at the apex of the petiole. Its flowers are hermaphroditic, pollinated by bees. The plants can also spread vegetatively from the root system.
Description[edit]
Lathyrus tuberosus is a perennial plant with edible tubers 3 to 5 cm (1.2 to 2.0 in) long attached to its roots. The stem grows to 30 to 80 cm (12 to 31 in) and is sprawling, wingless and nearly hairless. The leaves are alternate with short stalks and narrow stipules. The leaf blades are pinnate with a single pair of broad lanceolate leaflets with blunt tips, entire margins and a terminal tendril. The inflorescence has a long stem and two to seven pinkish-red flowers, each 12 to 20 mm (0.5 to 0.8 in) long. These have five sepals and five petals and are irregular, with a standard, two wings and a fused keel. There are ten stamens and a single carpel. The fruit is a flat brown pod containing up to six seeds.The tubers were found at 14 cm below the soil surface. The rather unbranched roots can reach 70 cm of depth.[12] This plant flowers in July and August.[13]
Reproduction[edit]
Lathyrus tuberosus can be propagated vegetatively by tuber multiplication or sexually by seeds. The flower is hermaphroditic and pollinated by bees.[14] Mature seed pods of Lathyrus tuberosus may only carry few viable seeds. The mature seeds sometimes are infested by a Bruchus affinis beetle and Hymenopterans.[15] Seed germination rate at 20° C after 50 days is very low, but it is increased heavily by scarification of the seed coat. After germination Lathyrus tuberosus grows very quickly and seed pods and small tubers are formed in the first year.[15]
The tubers of the plant will form stolons and new roots during the development of the plant. The tubers can form new stems and grow as a separate plant. Division of tubers is possible when the plant is dormant in autumn.[14] Vegetative propagation of Lathyrus tuberosus is very successful and sexual reproduction might only take place for genetic diversifications or to colonize different habitats.[15]
The diploid plant has 14 chromosomes.[16] There is a high variation in the percentage of constitutive heterochromatin between different Lathyrus tuberosus plants.[15]
During formation of endosperm and embryo development of Lathyrus tuberosus, protein bodies are formed. All cells of the embryo organs are involved in protein storage accumulation. The ploidy level of nuclei is linked to the total protein body volume in the seed. Breeding could increase seed protein level by increasing ploidy level.[17]
Distribution and habitat[edit]
The place of origin of Lathyrus tuberosus lies in Westasia and Eastern Europe. It is assumed that it spread simoultaniously with cereal cultivation across middle Europe. It was introduced to North America and can even be found in Northern Africa.[12] Today it ranks among the endangered species in Switzerland and Austria.[18] Its typical habitat is rough grassy places, broad-leaved woodland, forest margins, hedgerows and banks.[13] Lathyrus tuberosus prefers alkaline, calcareous, loamy soils, that are rich in fine contents. However it is also found on stony grounds. It depends on near-surface soil moisture in warmer, dryer regions, due to its root morphology.[12] Lathyrus tuberosus may reach habitats at altitudes up to 1600 m above sea level.[15]
Cultivation and uses[edit]
Today in allotments of middle Europe, Lathyrus tuberosus is occasionally grown for its odour, its appearance and its edible tubers.[19] In the 16th century flowers of the plant were distilled to produce perfume. In the 18th century in the Lower Rhine Valley of Germany and in the Netherlands it was grown on a larger scale. After harvesting, tubers were cooked or roasted for human nutrition.[20] At the same time the root legume with the "gentle nutty flavor" was in demand on French markets. The production of fermented beverages or bread were occasional other uses of the tuber, whereas oil was pressed from the seeds.[15] Promising experiments with Lathyrus tuberosus as a forage crop were conducted in the 20th century.[20] Recent studies from Turkey show that aboveground tissue of Lathyrus tuberosus is still consumed as a wild plant by parts of the rural pupulation.[21]
Lathyrus tuberosus succeeds on soils where other crops fail to grow, due to being adapted to a broad range of condtitions. The tuberous crop was found to resist high soil salinity. It was observed that plants with higher salt tolerance had even higher photosynthesis rates. The legume shows a strong negative response to ammonium nitrate nitrogen fertilizer.[15]
Although palatable and nutritious, the crop Lathyrus tuberosus is hampered by low yields, since it needs to be cultivated two to three years to form tubers of a reasonable size.[22] The first attempt to increase yield was done in 1968 with better cultivation techniques and hybridization. This test revealed the high breeding potential of the plant, leading to a six-fold increase in tuber yield .[15]
The plant is attractive and susceptible to slugs. It is considered a noxious weed in Ontario[23]. Commercial herbicides on the European market target Lathyrus Tuberosus.[24]
Nutritional Value[edit]
The delicious taste of the tubers is widely reported.[25][13] The tuber contains 16-20 % starch, 5% sugar and 10-12% protein.[26]Proteins consist of the amino acids glutamine, arginine and asparagine. Furthermore α-amino-8-oxaly-amino-butyric acid and lathyrogenic substances could be found in the plant.[15] vitamin C contents of 161.25 mg/100g in the aboveground biomass were observed.[21] That amount of vitamin C is approximately twice as high as the reference daily intake and three times higher than the vitamin C content of lemons. Calcium amounts are almost twice as high as in cow milk.
Some wild varieties containing oxalyldiaminopropionic acid can be toxic due to consumed in larger amounts for example by animals.[27]
| Minerals | mg/100g |
|---|---|
| Phosphorous | 66 |
| Potassium | 1544 |
| Magnesium | 43 |
| Calcium | 228 |
| Natrium | 2 |
| Iron | 2.5 |
| Zinc | 0.6 |
| Manganese | 0.78 |
| Copper | 0.07 |
Increasing Diversity in agroecosystems[edit]
Lathyrus tuberosus is a multi-purpose plant. The leaves and the tubers are edible and rich in vitamins. It belongs to the plant family of Leguminosae, plants which do biological fixation of nitrogen. Hence Lathyrus tuberosus increases soil fertility. Moreover its flowers are pollinated by bees.[14] Because of these plant features, Lathyrus tuberosus can be used to increase biodiversity in agroecosystems. Since tuber development takes several years, the plant would be well suitable for permaculture.
References[edit]
- ^ Schmitt, Eric; de Vries, Wim (2020-10-01). "Potential benefits of using Hermetia illucens frass as a soil amendment on food production and for environmental impact reduction". Current Opinion in Green and Sustainable Chemistry. 25: 100335. doi:10.1016/j.cogsc.2020.03.005. ISSN 2452-2236.
- ^ a b Gärttling, Daniel; Schulz, Hannes (2022-03-01). "Compilation of Black Soldier Fly Frass Analyses". Journal of Soil Science and Plant Nutrition. 22 (1): 937–943. doi:10.1007/s42729-021-00703-w. ISSN 0718-9516.
- ^ Kebli, Hedi; Sinaj, Sokrat (01-03-2017). "Agronomic potential of a natural fertiliser based on fly larvae frass".
{{cite web}}: Check date values in:|date=(help) - ^ Beesigamukama, Dennis; Mochoge, Benson; Korir, Nicholas K.; Fiaboe, Komi K. M.; Nakimbugwe, Dorothy; Khamis, Fathiya M.; Subramanian, Sevgan; Dubois, Thomas; Musyoka, Martha W.; Ekesi, Sunday; Kelemu, Segenet; Tanga, Chrysantus M. (2020). "Exploring Black Soldier Fly Frass as Novel Fertilizer for Improved Growth, Yield, and Nitrogen Use Efficiency of Maize Under Field Conditions". Frontiers in Plant Science. 11. doi:10.3389/fpls.2020.574592. ISSN 1664-462X. PMC 7539147. PMID 33072150.
{{cite journal}}: CS1 maint: PMC format (link) CS1 maint: unflagged free DOI (link) - ^ Sarathchandra, S. U.; Watson, R. N.; Cox, N. R.; di Menna, M. E.; Brown, J. A.; Burch, G.; Neville, F. J. (1996-05-01). "Effects of chitin amendment of soil on microorganisms, nematodes, and growth of white clover (Trifolium repens L.) and perennial ryegrass (Lolium perenne L.)". Biology and Fertility of Soils. 22 (3): 221–226. doi:10.1007/BF00382516. ISSN 1432-0789. S2CID 32594901.
- ^ Debode, Jane; De Tender, Caroline; Soltaninejad, Saman; Van Malderghem, Cinzia; Haegeman, Annelies; Van der Linden, Inge; Cottyn, Bart; Heyndrickx, Marc; Maes, Martine (2016-04-21). "Chitin Mixed in Potting Soil Alters Lettuce Growth, the Survival of Zoonotic Bacteria on the Leaves and Associated Rhizosphere Microbiology". Frontiers in Microbiology. 7: 565. doi:10.3389/fmicb.2016.00565. ISSN 1664-302X. PMC 4838818. PMID 27148242.
- ^ Fuhrmann, Adrian; Wilde, Benjamin; Conz, Rafaela Feola; Kantengwa, Speciose; Konlambigue, Matieyedou; Masengesho, Barthazar; Kintche, Kokou; Kassa, Kinfe; Musazura, William; Späth, Leonhard; Gold, Moritz; Mathys, Alexander; Six, Johan; Hartmann, Martin (2022). "Residues from black soldier fly (Hermetia illucens) larvae rearing influence the plant-associated soil microbiome in the short term". Frontiers in Microbiology. 13. doi:10.3389/fmicb.2022.994091. ISSN 1664-302X. PMC 9550165.
{{cite journal}}: CS1 maint: PMC format (link) CS1 maint: unflagged free DOI (link) - ^ Chiam, Zhongyu; Lee, Jonathan Tian En; Tan, Jonathan Koon Ngee; Song, Shuang; Arora, Srishti; Tong, Yen Wah; Tan, Hugh Tiang Wah (2021-05-15). "Evaluating the potential of okara-derived black soldier fly larval frass as a soil amendment". Journal of Environmental Management. 286: 112163. doi:10.1016/j.jenvman.2021.112163. ISSN 0301-4797.
- ^ Song, Shuang; Ee, Alvin Wei Liang; Tan, Jonathan Koon Ngee; Cheong, Jia Chin; Chiam, Zhongyu; Arora, Srishti; Lam, Weng Ngai; Tan, Hugh Tiang Wah (2021-03-15). "Upcycling food waste using black soldier fly larvae: Effects of further composting on frass quality, fertilising effect and its global warming potential". Journal of Cleaner Production. 288: 125664. doi:10.1016/j.jclepro.2020.125664. ISSN 0959-6526.
- ^ IPIFF (the International Platform of Insects for Food and Feed) (29-11-2021). "Fact sheet on insect frass" (PDF).
{{cite web}}: Check date values in:|date=(help) - ^ Tuberous Vetchling, Ontario Wildflowers
- ^ a b c Lore., Kutschera, (2010). Wurzelatlas mitteleuropäischer Ackerunkräuter und Kulturpflanzen. Lichtenegger, Erwin, (Reprint [der Ausg.], Frankfurt am Main, DLG-Verl., 1960 ed.). Frankfurt, M.: DLG-Verl. ISBN 9783769007589. OCLC 696637061.
{{cite book}}: CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link) - ^ a b c "Tuberous pea: Lathyrus tuberosus". NatureGate. Retrieved 2013-12-31.
- ^ a b c "Lathyrus tuberosus Earthnut Pea, Tuberous sweetpea PFAF Plant Database". pfaf.org. Retrieved 2018-11-17.
- ^ a b c d e f g h i Hossaert-Palauqui, M.; Delbos, M. (1983). "Lathyrus tuberosus L. Biologie et perspectives d'amélioration". Journal d'agriculture traditionnelle et de botanique appliquée (in French). 30 (1): 49–58. doi:10.3406/jatba.1983.3887. ISSN 0183-5173.
- ^ "BiolFlor Recherchesystem". www.ufz.de. Retrieved 2018-12-01.
- ^ Sławomira., Knake-Sobkowicz, (2005). Cellular accumulation of protein bodies and changes in DNA ploidy level during seed development of Lathyrus tuberosus L. OCLC 1008686187.
{{cite book}}: CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link) - ^ Jürgen., Guthmann, (2013). Enzyklopädie Essbare Wildpflanzen : 2000 Pflanzen Mitteleuropas. Bestimmung, Sammeltipps, Inhaltsstoffe, Heilwirkung, Verwendung in der Küche. Fleischhauer, Steffen Guido., Spiegelberger, Roland. Aarau: AT Verlag AZ Fachverlage. ISBN 3038007528. OCLC 844026735.
{{cite book}}: CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link) - ^ "Lathyrus tuberosus - Knollige Platterbse (Saatgut), 1,80 €". www.templiner-kraeutergarten.de (in German). Retrieved 2018-11-17.
- ^ a b Mansfeld's encyclopedia of agricultural and horticultural crops (except ornamentals). Hanelt, Peter., Büttner, R. (Rolf), 1932-, Mansfeld, Rudolf., Institut für Pflanzengenetik und Kulturpflanzenforschung Gatersleben, Germany. (1st English ed ed.). Berlin: Springer. 2001. ISBN 3540410171. OCLC 46419902.
{{cite book}}:|edition=has extra text (help)CS1 maint: others (link) - ^ a b c Yildrim, Ertan (Spring 2001). "Determination of the nutrition contents of the wild plants used as vegetables in Upper Coruh Valley". Turkish Journal of Botany: 367–371.
- ^ "Tuberous Pea, Lathyrus tuberosus - Flowers - NatureGate". www.luontoportti.com. Retrieved 2018-11-17.
- ^ Tuberous vetchling, Ontario Ministry of Agriculture, Food and Rural Affairs
- ^ AG, Bayer Schweiz. "Herbizide". Bayer Schweiz AG. Retrieved 2018-11-17.
- ^ Dénes, Andrea; Papp, Nóra; Babai, Dániel; Czúcz, Bálint; Molnár, Zsolt (2012-12-31). "Wild plants used for food by Hungarian ethnic groups living in the Carpathian Basin". Acta Societatis Botanicorum Poloniae. 81 (4): 381–396. doi:10.5586/asbp.2012.040. ISSN 2083-9480.
- ^ H., Schuster, Walter (2005). Kohlenhydrate in Samen von Getreide und Pseudogetreide sowie in Knollen, Wurzeln und Ganzpflanzen verschiedener Arten. Giessener Elektronische Bibliothek. OCLC 179743533.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ Jan., Sneyd, (1995). Alternative Nutzpflanzen. Stuttgart: Ulmer. ISBN 3800130939. OCLC 612060175.
{{cite book}}: CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link)
External links[edit]
tuber Category:Flora of Western Asia Category:Flora of Europe Category:Root vegetables Category:Plants described in 1753