Under normal circumstances, if the growth conditions of Gastrodia are met, high yields should be obtained, but sometimes the harvest is poor, mainly due to the degradation caused by asexual reproduction of Gastrodia elata. After several generations of vegetative propagation, the breeding coefficient of gastrodia elata is greatly reduced, and the rate of weight gain is also greatly reduced.
In order to prevent the occurrence of this phenomenon, Tianma can continue to produce high yields, so we must engage in sexual reproduction.
In addition, the degradation of Armillaria can also make Gastrodia crop failure. At present, there are serious degradations of Armillaria in some areas. If it is not solved, it will affect the production and efficacy of Gastrodia. Therefore, the introduction of good strains of Armillaria mellea, or the cultivation of high-quality strains of rods with sticks of wild Armillaria mellea and the roots of cassia, could prevent the loss of yield due to Gastrodia elata.
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