Siratro macroptilium atropurpureum is also very similar to burgundy bean macroptilium bracteatum, which is also cultivated in australia and sparingly naturalised in tropical queensland. Rhizoctonia foliar blight, common bean rust, falserust and leafmottling virus are regarded as major constraints. Tropical grasslands forrajes tropicales 2014 volume 2, 154. Macroptilium atropurpureum is an economically important forage species. Flowers peashaped, corolla purplish to purplishblack, keel twisted. Macroptilium atropurpureum siratro host specificity genes are linked to a nodd like gene in the broad host range. Siratro macroptilium atropurpureum is a vine legume that is native to the tropical and subtropical regions of north, central and south america. Pdf nodulation and effective nitrogen fixation of macroptilium. Seeds of six soybean glycine max cultivars hill, kitamusume, bonminori, norin2, lee and enrei, wild progenitor soybean glycine soja and siratro macroptilium atropurpureum were surfacesterilized with sodium hypochlorite.
Provided by ars systematic botany and mycology laboratory. Stomatal control of water loss in siratro macroptilium. Morphological, phenological and reproductive trait. We have achieved the first in vitro plant regeneration of this species using cv. Macroptilium atropurpureum, commonly referred to as purple bushbean, or siratro is a. Macroptilium atropurpureum, commonly referred to as purple bushbean, or siratro is a perennial legume recognized by its climbing, dense, green vines and deep purple flowers. The seeds were sown in sterile vermiculite, and were inoculated with a moist soil sample, which was collected from. Bonminori, norin2, lee and enrei, wild progenitor soybean glycine soja and siratro macroptilium atropurpureum were surfacesterilized with sodium hypochlorite. Nodulation and effective nitrogen fixation of macroptilium atropurpureum siratro by burkholderia tuberum, a nodulating and plant growth promoting betaproteobacterium, are influenced by environmental factors. Studies on competition between macroptilium atropurpureum.
Partitioning and redistribution of sulphur during sstress. The effect of cold water, hot water and sulfuric acid treatment on germination and seedling growth of. Stomatal control of water loss in siratro macroptilium atropurpureum dc urb. Application of 1aminoocyclopropane1carboxylic acid, an ethylene precursor, decreased nodulation of macroptilium atropurpureum by bradyrhizobium elkanii. Article pdf available in tropical grasslandsforrajes tropicales 22. Macroptilium atropurpureum information from the smithsonian flora of the hawaiian islands information about macroptilium atropurpureum in hawaii is available from the smithsonian flora of the hawaiian. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 2784. There is no updated taxonomic revision of macroptilium covering its full geographical range and historically there have been some nomenclatural vacillations regarding the rank of the name macroptilium, and as. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria.
Preferential nodulation of glycine max, glycine soja and. Macroptilium atropurpureum siratro host specificity genes are. The leaves have 3 leaflets, the central leaflet is shallowly lobed on the margins, the lateral leaflets are lobed chiefly on one margin only. Partitioning and redistribution of sulphur during sstress in. Ibaraki, stomatal control of water loss in siratro macroptilium atropurpureum dc urb. To delineate the degree of specificity exhibited by four legumes in the cowpea miscellany, we tested the symbiotic characteristics of indigenous cowpea bradyrhizobia on cowpea vigna unguiculata, siratro macroptilium atropurpureum, lima bean phaseolus lunatus, and peanut arachis hypogaea. John cram, partitioning and redistribution of sulphur during sstress in macroptilium atropurpureum cv. Morris plant genetic resources conservation unit, usda, ars, university of georgia, usa abstract variation in agronomic traits among 66 siratro macroptilium atropurpureum accessions being. Activity was highest in the shoots and lowest in the nodules. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Sugar content in nectar flowers of siratro macroptilium atropurpureum urb. Siratro macroptilium atropurpureum and soybean glycine max were grown in pots with or without irrigation for 3 weeks at the vegetative stage to examine the effect of water stress on plant biomass production, biological n 2 fixation, co 2 assimilation rate, stomatal conductance, leaf water potential, and the partition of 14 co 2 to plant parts. Siratro was one of the first tropical legumes released for commecial use in r the 1960s. Lectotypification of macroptilium atropurpureum leguminosae.
Weed of the week siratro macroptilium atropurpureum. The young stems are copiously whitespreadingpilose, rooting at nodes, and the ovate stipules are acuminate and 35 mm long. Siratro macroptilium atropurpureum about department of primary industries and regional developments agriculture and food division is committed to growing and protecting was agriculture and food sector. Enhancement of seed germination and seedling growth of siratro macroptilium atropurpureum by muhammad rusdy.
Australian journal of agricultural research, 36, 233245. Rhizoctonia foliar blight, common bean rust, falserust and leafmottling virus are regarded as major constraints to the further use of siratro in several regions. Siratro has a deep swollen taproot, up to 2 cm in diameter from which stems arise. Department of primary industries and regional developments agriculture and food division is committed to growing and protecting was agriculture and food sector. Enhancement of seed germination and seedling growth of siratro macroptilium atropurpureum. Siratro, journal of experimental botany, volume 46. Response of siratro macroptilium atropurpureum urb.
This research was carried out to evaluate the pollination in siratro studying the anthesis period, pollen grain viability and seed production. As an environmental weed, siratro can form dense infestations along forest. Siratro is responsive to molybdenum, requiring 100200 gha mo at. Macroptilium atropurpureum is a perennial herb widely cultivated across. It initially showed great promise in experiments and commercial sowings.
Two treatments were used, one covered and another uncovered. Rhizobitoxine production by bradyrhizobium elkanii. Media in category macroptilium atropurpureum the following 78 files are in this category, out of 78 total. Macroptilium atropurpureum purple bushbean youtube. Macroptilium atropurpureum, commonly referred to as purple bushbean, or siratro is a perennial legume recognized by its climbing dense green vines and deep purple flowers. A trailing or creeping perennial herb, cultivated only from near sea level to about 200 m. Partitioning and redistribution of sulphur during sstress in macroptilium atropurpureum cv. Inheritance of rust resistance in macroptilium atropurpureum inheritance of rust resistance in macroptilium atropurpureum bray, r. Hypocotyl explants excised from darkgrown seedlings generated slimy, friable calli after three weeks culture on b5 medium containing 12 mgl kinetin and 0. Widely adapted to soils of different textures and ph levels. Alternative oxidase activity cyanideinsensitive respiration was measured in mitochondria from the shoots, roots, and nodules of soybean glycine max l. Nitrogenase activity acetylene reduction of isolated siratro macroptilium atropurpureum bacteroids was stimulated by addition of plant cytosol fractions which also preserved activity at high up to 3% o2 tensions. Macroptilium atropurpureum fabaceae hear species info.
The seeds were sown in sterile vermiculite, and were inoculated with a moist soil sample, which was collected from the plow layer of the nakazawa. Siratro is a legume which is native to tropical america, and widely used in coastal eastern queensland and coastal new south wales as a pasture plant. Macroptilium atropurpureum is a model legume with a broad symbiont range for nodulation. The state of queensland, department of agriculture and fisheries rich in protein, m.
In vitro plant regeneration in macroptilium atropurpureum. Pdf the rise and fall of siratro macroptilium atropurpureum. Morphological, phenological and reproductive trait analysis. Nodulation and effective nitrogen fixation of macroptilium. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. The need for other nutrients, particularly k and s, should be monitored by soil analysis or foliar deficiency symptoms. Pdf floral biology and bees pollination by bees in. Siratro is commonly seen growing on roadsides, in disturbed sites and in areas not grazed by livestock. Invasive plant siratro macroptilium atropurpureum technical report. Siratro is trailing, climbing or twining, depending on the species it is grown with ecocrop, 2012. Click on each image to see a larger version and details of the record view all images 18. The species is native to the americas but it is widely cultivated throughout the tropics and subtropics.
The exact origin of this crop is not known but it is commonly grown from southern texas south to peru. Macroptilium atropurpureum seeds purple bushbean siratro categories. Macroptilium atropurpureum siratro host specificity genes are linked to a noddlike gene in the broad host range. The rise and fall of siratro macroptilium atropurpureum what. Morphological, phenological and reproductive trait analysis for the pasture species, siratro macroptilium atropurpureum j. In vitro plant regeneration in macroptilium atropurpureum, a.
Macroptilium atropurpureum purple bushbean, purple bush. Narmatha bal microbiology unit, department ofbotany bharathiar university coimbatore 641 046 tamil nadu, india. Siratro macroptilium atropurpureum, aerial part, fresh. View picture of macroptilium species, siratro, purple bushbean macroptilium atropurpureum at daves garden.
Read studies on competition between macroptilium atropurpureum and crotalaria goreensis, weed research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Siratro macroptilium atropurpureum is regarded as an environmental weed in queensland, the northern territory, northern western australia and northern new south wales. Macroptilium atropurpureum is a perennial herb widely cultivated across tropical and subtropical regions of the world as a forage crop, a soil and pasture improver and for ground cover. It is listed as a priority environmental weed in at least one natural resource management region and is actively managed by community groups in the northern territory.
Leaves with 3 leaflets, lateral leaflets strongly lobed towards the base, lower surfaces covered in hairs. Media in category macroptilium atropurpureumthe following 78 files are in this category, out of 78 total. View photographs and a description of the plant macroptilium atropurpureum, commonly known as purple bushbean, purple bushbean, atro, or siratro. Early esearchrshowed it was unproductive under heavy grazing, but after some 15 years there was increasing concern about its persistence even. It is native to tropical america and has been introduced across africa, asia, the caribbean, australia and many islands in oceania. The leaves have 3 leaflets, the central leaflet is shallowly lobed on the. I preface snv ethiopia, through edget project enhancing dairy sector growth in ethiopia, 202018, engages in the capacity building, extension services and innovative support to. Macroptilium atropurpureum seeds purple bushbean siratro. Inheritance of rust resistance in macroptilium atropurpureum. Alternative oxidase activity was associated with one roots or two shoots proteins between 30 and 35 kilodaltons that. Tissuespecific expression of the alternative oxidase in. Jan 15, 2004 view picture of macroptilium species, siratro, purple bushbean macroptilium atropurpureum at daves garden. Rabaceae to vesiculararbuscularmycorrhizal fungi and rhizobium sp.
It was named siratro and first hybridized in the early 1960s. However, burgundy bean macroptilium bracteatum differs by having a cluster of small leafy bracts near the base of each of its flower stalks i. Boiling removed some, but not all, of the protective capacity of the cytosol. Siratro caused by fourteen genera of fungi, one bacterium, one virus and one genus of nematodes are described. Flower macroptilium atropurpureum is useful as a tropical forage crop in full sun, and can also be used to prevent soil erosion. This cultivar was introduced from tropical america as a fodder plant. Plants profile for macroptilium atropurpureum purple bushbean. The rise and fall of siratro macroptilium atropurpureum. The record derives from ildis which reports it as an accepted name record 2784. Effect of water stress on growth, photosynthesis, and.