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当前位置: 首页 > 文章 > 施N量对油菜杂种及其亲本成熟期各器官干物质积累的影响 上海农业学报 2008,24 (1) 68-70
Position: Home > Articles > Effect of nitrogen application rate on dry matter accumulation of plant organs of rape hybrids and their parents at maturing stage Acta Agriculturae Shanghai 2008,24 (1) 68-70

施N量对油菜杂种及其亲本成熟期各器官干物质积累的影响

作  者：
张永泰;惠飞虎;左青松;冷锁虎;董召娣
单  位：
扬州大学作物栽培生理江苏省重点实验室
关键词：
油菜;杂交种;亲本;施N水平;干物重
摘  要：
通过测定不同品种的干物重,研究了施N水平对成熟期油菜杂交种及其亲本地上部各器官生物产量的影响,结果表明:全株生物产量随施N水平的增加先增后减;主茎重量随施N量增加而明显增加,籽粒、果壳、分枝的重量则随施N量增加而先增后减;杂交种子粒、果壳、主茎、分枝的重量在不同施N水平下均高于常规亲本,在土壤供N水平低的条件下优势更明显。
译  名：
Effect of nitrogen application rate on dry matter accumulation of plant organs of rape hybrids and their parents at maturing stage
作  者：
ZHANG Yong-tai1,2,HUI Fei-hu1,2,ZUO Qing-song1,LENG Suo-hu1,DONG Zhao-di1(1Key Laboratory of Crop Cultivation and Physiology of Jiangsu Province,Yangzhou University,Yangzhou 225009,China;2Lixiahe District Institute of Agricultural Science,Yangzhou 225007,China)
关键词：
Rape;Hybrid;Parent;Nitrogen application rate;Dry matter
摘  要：
The cultural trials of rape cultivars and their combinations were carried out at different nitrogen application rates in order to study the effect of nitrogen application rate on biomass of different plant parts of rape F1 hybrids and their parents at maturing stage.The results were as follows: The biomass of whole plant firstly increased and then decreased with the N application rate;The weight of main stem significantly increased with the N application rate,while the weights of seeds,pod waste and branches firstly increased and then decreased;The weights of seeds,pod waste,main stem and branches of the hybrids were all higher than those of their parents at different nitrogen application rates,which was more obvious under a low level of available nitrogen in soil.

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