In the past, selection and breeding of rubber to the importance of good seed ที่จะนำมา persistence on the source. Whether it is clarified that produce latex or high wood, including other characteristics such as resistance to the destruction of the diseases of the rubber. To adapt to different environments, etc., but the current varieties used in the best rubber etc. gradually disappear, because be cut almost all. The benefits of using traditional breeding, rubber etc. Because of these varieties are open pollinated with wide genetic bases, root system are strong, durable on root diseases as well.
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