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| Introduction adaptability，suitability evaluationof Zhongcha 302 in Yibin |
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| DOI：10.16768/j.issn.1004-874X.2017.03.006 |
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| Abstract: |
| Taking Fuxuan 9 as the control，this article carried out comprehensive adaptability evaluation about
Zhongcha 302 in Yibin city. The results showed that Zhongcha 302 budded during in late February to early March，
the buds of whole shoots were 6-26 days later than the control，effectively staggered buds picking peaks. Zhongcha
302 had strong adaptability，high survival rate（ 87%-98.4%），strong leaves，strong growth potential，strong
tenderness，was resistant to drought and more resistant to pests and diseases. For Zhongcha 302，water extract content
was 45.21%-46.33%，caffeine content was 32.98-41.19 mg/g，tea polyphenols content was 12.61%-17.69%，the
highest amino acid content reached 4.53%，the ratio of phenolic to ammonia was as low as 3.12，and the catechins
quality index was up to 2418.7，and the sensory evaluation results were better than the control with quality score of
90.9 by roller fixing-two green machine processing - processing 4 to 6 times（ plus timely rod 2 times） - tea to cents
- drying - improving aroma. In summary，Zhongcha 302 is well adapted to the regional climate characteristics and
actual tea production in Yibin，has comprehensive advantages of early harvest yield and quality. |
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