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the tolerance to heat induced spikelet sterility of rice cultivars is closely  related to the length of dehiscence at the basal part of thecae. In general, the longer the basal dehiscence, the larger the number of pollen grains on the stigma; this reduces the risk of floret sterility. The length of basal dehiscence, therefore, is the key trait for stable pollination under heat conditions.

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sltmac(½ð±Ò+1): 2012-02-23 10:02:56
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sltmac(½ð±Ò+10): 2012-03-04 09:34:11
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