作　　者： ; ; ; ; ; ;

机构地区： 华南农业大学农学院

出　　处： 《安徽农学通报》 2009年第9期114-115,共2页

摘　　要： 对广东省19个早稻品种进行耐寒性研究,结果表明:茂杂33和天优5078耐寒性最强;茂杂33、天优5078、华优665、中9优207、培杂629、天优368、湛优226、广华占、明杂8763、特优730、天优128、合美占、振优368和华优8305在孕穗期和开花期的耐寒性均达到中等以上;天优428、特优138和培杂软香开花期耐寒性弱。 The cold resistance research of 19 early - season rice varieties of Guangdong province was conducted. The results showed that cold resistance of Maoza33 and Tianyou 5078 was the best. The cold resistance of Maoza33, Tianyou 5078, Huayou 665, Zhong 9 you 207, Peiza 629, Tianyou 368, Zhanyou 226, Guanghuazhan, Mingza 8763, Teyou 730, Tianyou 128, Hemeizhan, Zhenyou 368 and Huayou 8305 was above medium intensity in boot stage and flowering stage. But the cold resistance of Tianyou 428, Teyou 138 and Huanghuazhan was weak.

关 键 词： 水稻 耐寒性 孕穗期 开花期

领　　域： [农业科学]