机械化种植方式对不同品种水稻株型及抗倒伏能力的影响
为探明机械化种植方式对不同品种水稻株型及抗倒伏能力的影响,试验选用籼粳交水稻(甬优2640和甬优1640)、常规粳稻(南粳9108和武运粳27)和杂交籼稻(新两优6380和II优084)共6个水稻品种为材料,系统研究高产栽培模式下钵苗机插、毯苗机插和机械直播方式对水稻叶形、叶姿、穗型、秆型及植株抗倒性能的影响,初步研明不同机械化种植方式下水稻株型特征与抗倒伏能力及差异。结果表明,钵苗机插水稻产量最高,毯苗机插水稻产量其次,机械直播水稻产量最低,差异显著(P<0.05)。与毯苗机插和机械直播相比,钵苗机插使水稻上三叶叶长增长,比叶重增大,叶基角和披垂度减小,使水稻群体高效叶叶面积增...
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Published in | 农业工程学报 no. 1; pp. 52 - 62 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
2017
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Subjects | |
Online Access | Get full text |
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Abstract | 为探明机械化种植方式对不同品种水稻株型及抗倒伏能力的影响,试验选用籼粳交水稻(甬优2640和甬优1640)、常规粳稻(南粳9108和武运粳27)和杂交籼稻(新两优6380和II优084)共6个水稻品种为材料,系统研究高产栽培模式下钵苗机插、毯苗机插和机械直播方式对水稻叶形、叶姿、穗型、秆型及植株抗倒性能的影响,初步研明不同机械化种植方式下水稻株型特征与抗倒伏能力及差异。结果表明,钵苗机插水稻产量最高,毯苗机插水稻产量其次,机械直播水稻产量最低,差异显著(P<0.05)。与毯苗机插和机械直播相比,钵苗机插使水稻上三叶叶长增长,比叶重增大,叶基角和披垂度减小,使水稻群体高效叶叶面积增加,剑叶叶绿素含量和净光合速率协同增加,穗型变大,粒叶比提高,并且使水稻株高增高,秆长增长,穗下节间增长(P<0.05)。水稻基部1~3节间于钵苗机插方式下,较毯苗机插和机械直播,长度缩短、茎秆变粗、茎壁增厚、节间干质量增加、充实度变好、抗折力和弯曲力矩增大、倒伏指数降低(P<0.05)。因此,长江下游稻麦两熟地区,钵苗机插能改善水稻株型,优化水稻群体结构,提升水稻抗倒性能,是实现水稻丰产、高产且低倒伏风险的较优机械化种植方式。 |
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AbstractList | 为探明机械化种植方式对不同品种水稻株型及抗倒伏能力的影响,试验选用籼粳交水稻(甬优2640和甬优1640)、常规粳稻(南粳9108和武运粳27)和杂交籼稻(新两优6380和II优084)共6个水稻品种为材料,系统研究高产栽培模式下钵苗机插、毯苗机插和机械直播方式对水稻叶形、叶姿、穗型、秆型及植株抗倒性能的影响,初步研明不同机械化种植方式下水稻株型特征与抗倒伏能力及差异。结果表明,钵苗机插水稻产量最高,毯苗机插水稻产量其次,机械直播水稻产量最低,差异显著(P<0.05)。与毯苗机插和机械直播相比,钵苗机插使水稻上三叶叶长增长,比叶重增大,叶基角和披垂度减小,使水稻群体高效叶叶面积增加,剑叶叶绿素含量和净光合速率协同增加,穗型变大,粒叶比提高,并且使水稻株高增高,秆长增长,穗下节间增长(P<0.05)。水稻基部1~3节间于钵苗机插方式下,较毯苗机插和机械直播,长度缩短、茎秆变粗、茎壁增厚、节间干质量增加、充实度变好、抗折力和弯曲力矩增大、倒伏指数降低(P<0.05)。因此,长江下游稻麦两熟地区,钵苗机插能改善水稻株型,优化水稻群体结构,提升水稻抗倒性能,是实现水稻丰产、高产且低倒伏风险的较优机械化种植方式。 |
Author | 邢志鹏 吴培 朱明 钱海军 曹伟伟 胡雅杰 郭保卫 魏海燕 许轲 戴其根 霍中洋 张洪程 |
AuthorAffiliation | 扬州大学农业部长江流域稻作技术创新中心/扬州大学江苏省作物遗传生理国家重点实验室培育点 |
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Notes | Xing Zhipeng;Wu Pei;Zhu Ming;Qian Haijun;Cao Weiwei;Hu Yajie;Guo Baowei;Wei Haiyan;Xu Ke;Dai Qigen;Huo Zhongyang;Zhang Hongcheng;Innovation Center of Rice Cultivation Technology in the Yangtze Valley,Ministry of Agriculture/Key Laboratory of Crop Genetics and Physiology of Jiangsu Province,Yangzhou University 11-2047/S |
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SubjectTerms | 农业机械;种植;农艺;水稻;机械化种植方式;株型;抗倒伏;茎秆物理性状 |
Title | 机械化种植方式对不同品种水稻株型及抗倒伏能力的影响 |
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