Breeding of A New Hemp Variety "Yunma 1" and Its Cultivation
Yang Ming, Guo Hongyan, Wen Guosong, Wuwei, Qian Jinliang
(Institute of Information, Yunan Academy of Agricultural Sciences, Kunming 650205)
The hemp ( Cannabis sativa L ) variety Yunma - 1 was bred from the varieties of Yunnan by the line breeding method. The regional experiment showed the yieJd oi fibre was 1.8t/ha, fibre content of fresh stem is 6. 9%, fiber strength is 438N, and yarn number is 780Nm. The weight of 1000 seeds is 25g and oil content is 32. 2% . The THC (tetrahydrocannabinol) content in female flower and leaf is about 0. 03% . Its merits are superior fiber quality, high seed yielding, high resistant and low THC content.
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