Method for improving artemisinine content in sweet wormwood herb by chitosan treatment
A technology of artemisinin and chitosan solution, which is applied in the directions of horticultural methods, botanical equipment and methods, fertilizer mixtures, etc. The effect of reducing production costs
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[0020] Plant the seeds of Artemisia annua (derived from the Artemisia annua species with higher artemisinin content in Youyang, Chongqing) on the seedling medium to germinate the seedlings. The formula of the seedling medium is MS culture fluid, wherein 25-35g / L of Sucrose and 2-3g / L plant gel. When the Artemisia annua seedlings grow to about 5 cm, they are transplanted into the peat-perlite culture medium (the weight ratio of peat and perlite is 1:0.5-1:2), and watered once a week with ordinary nutrient solution. Wherein the common nutrient solution component is calculated by weight percentage: 0.0033% NH 4 NO 3 , 0.0038% KNO 3 , 0.00088% CaCl 2 .2H 2 O, 0.00074% MgSO 4 .7H 2 O and 0.00034% KH 2 PO 4 , and the balance is water. When the plant grows to about 40-60cm (the early flowering stage of the plant), the Artemisia annua plant is treated with chitosan solution, and the Artemisia annua plant treated with water is used as a control. Two days later, the leaves o...
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