Propagation of species of taciturne (Tacca chantrieri Andre) by vegetative propagation at Tan Trao University, Tuyen Quang
DOI:
https://doi.org/10.51453/2354-1431/2020/383Keywords:
Cuttings, Antennae, Breeding Hom, IAA, IBA, α-NAA.Abstract
Tacca chantrieri Andre (Tacca chantrieri Andre) is a valuable medicinal plant, used to treat rheumatism, stomach and duodenal ulcers, hepatitis, high blood pressure, burning, itchy sores ... [7,10 ]. Despite not being overexploited, deforestation and forest exploitation have directly narrowed the distribution area and the capacity of the tree's natural reserves. Research on propagating lobster species is to conserve and develop medical plants in Tuyen Quang province Results of research on propagating lobster by vegetative method showed that cuttings at different places (top cuttings, middle cuttings and root cuttings) which had a size of 10cm for a higher survival rate, in which middle cuttings (10cm size) after 30 days, 60 days and 90 days all showed the highest results with survival rate (95.9%, 78.5% and 67.8%). Middle cuttings (10cm) gave the highest number of shoots / cuttings. When propagating the Tacca chantrieri Andre with middle cuttings (10cm) using growth stimulants and the concentration of those substances used for survival and rooting showed that: after 90 days, the formula for the highest survival rate is a curing IAA with a concentration of 1500ppm reaching 100%, much higher than the control. IBA was followed by 98.5%, the remaining α-NAA had the lowest impact on cuttings. The type of growth stimulant and the concentration have markedly affected the rooting rate and the average number of roots / cuttings, when the concentration increased from 500ppm to 1000ppm, especially up to 1500ppm, the rooting rate and the number of average roots / cutted tended to increase. Formula 9 with stimulant IBA at the concentration of 1500ppm gives the highest rate.
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