Therefore, the selection of rubber saplings that are resistant to the disease struck the white root. For use as a rootstock in the rubber tree planting in areas that suffer from the root so it is another way to fix the โรา yield.
Thus, the selection of varieties that are resistant rubber, the destruction of the white root disease. To serve as a source of growing rubber in the diseased roots. It is another way to tackle the root Ora.
So the selection of rubber with durability toward destruction of white root disease. To use as a stump in the rubber plantation in the area that have roots. It is another way to solve the problem โรา yield.