外壳必须在这种发芽能力失效之前被以某种方法破坏掉。
The shell somehow has to be broken down before this germination ability expires.
蓝粒小麦和紫粒小麦有较强的抗穗发芽能力。
Those blue or purple grain wheat materials had better resistance to pre-harvest sprouting.
在温室病原诱发接种条件下，发病表现为出苗率的差异，即丧失发芽能力或出苗前的猝倒。
The induced disease appears as the difference of emergence rate by artificial inoculation in glasshouse, indicate the lose of sprouting ability and pre-emergence damping off.
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