| 西藏高原环境下花期干旱胁迫及复水对不同类型油菜生长及产量的影响 |
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| 引用本文： | 蒙祖庆,宋丰萍,大次卓嘎. 西藏高原环境下花期干旱胁迫及复水对不同类型油菜生长及产量的影响[J]. 西南农业学报, 2011, 24(5) |
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| 作者姓名： | 蒙祖庆 宋丰萍 大次卓嘎 |
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| 作者单位： | 西藏农牧学院,西藏林芝,860000 |
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| 基金项目： | 西藏农牧学院青年科学研究基金项目 |
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| 摘 要： | 本试验研究了西藏高原干旱环境对不同类型油菜生长及产量形成的影响,设计盆栽试验,在油菜花期分别进行7、14和21d干旱处理,然后恢复正常水分管理,比较3种类型油菜的生长状况及产量.结果表明:①干旱影响油菜花期根系发育、地上部生长及最终产量的形成,并存在处理间差异；②以产量为指标,干旱的敏感性依次为甘蓝型＞白菜型＞芥菜型；③研究不同干旱处理对产量的影响可为持续干旱对大面积油菜生产影响的估算提供依据.
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| 关 键 词： | 西藏 油菜 干旱 产量 |
Effects of Drought and Rehydration at Flowering Stage on Different Types of Rapeseed Growth and Yield under Tibet Plateau Environment |
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| MENG Zu-qing,SONG Feng-ping,Dacizhuoga. Effects of Drought and Rehydration at Flowering Stage on Different Types of Rapeseed Growth and Yield under Tibet Plateau Environment[J]. Southwest China Journal of Agricultural Sciences, 2011, 24(5) |
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| Authors: | MENG Zu-qing SONG Feng-ping Dacizhuoga |
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| Affiliation: | MENG Zu-qing,SONG Feng-ping,Dacizhuoga (Tibet Agricultural and Animal Husbandry College,Tibet Linzhi 860000,China) |
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| Abstract: | In this trial,the effect of different varieties of rapeseed on the growth and yield of rapeseed under drought time of Tibet,pot experiments were conducted at flowering stage with three drought time treatments which were followed by normal water administration.Three rapeseed varietys which represented three types of rapeseed were used to investigate the effects of the sustainable drought time on rapeseed growth and yield.The treatments were drought of 7,14 and 21 days at flowering stage.The results showed th... |
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| Keywords: | Tibet Rapeseed Drought Yield |
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