抗病砧木在茄子嫁接中非常有效，防止通过土地传播的疾病，无污染地大大增加产量。
Anti-diseases anvil-wood is very effective in brinjal engrafting to prevent soil-transmitted diseases and increase production greatly with no pollution.
它可以通过修剪、嫁接等农事操作进行广泛传播。
Viroids can be widely spreaded by pruning, grafting and other agricultural operations.
一度，人们坚信枯萎病能通过嫁接来传播，但是，几乎不再嫁接铁线莲了，而枯萎病仍然存在。
At one time, wilt was believed to be transmitted by grafting, but clematis is seldom grafted any more and wilt is still a problem.
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