海拔高度对白肋烟地上部干物质积累动态的影响
在四川达州生态条件下研究了不同海拔高度(700、1000、1300m)对白肋烟地上部干物质积累动态的影响。结果表明,白肋烟叶片、茎等干物质积累动态均符合前期慢、中期快、后期又慢的变化规律,海拔高度对各指标的变化模式有显著影响,在海拔700m条件下,茎秆、叶片进入快速生长期早,干物质积累速率高,移栽后56至78d叶片干物质积累量占干物质总量的49%,单株日均叶片干物质积累9.3g。随着海拔高度的增高,烟叶生长发育和干物质积累变慢,表现在进入快速生长期变晚,干物质积累速率降低,特别是在1300m高海拔地区,12叶以上叶片出生晚,发育慢,干物质积累明显滞后,烟株打顶期比海拔700m晚半个月,砍收期晚...
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Published in | Xinan nongye xuebao Vol. 21; no. 5; pp. 1275 - 1278 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
河南农业大学国家烟草栽培生理生化研究基地,河南郑州,450002%四川省达州烟草科研所,四川达州,635000%四川省达州市烟草公司,四川达州,635000
2008
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Abstract | 在四川达州生态条件下研究了不同海拔高度(700、1000、1300m)对白肋烟地上部干物质积累动态的影响。结果表明,白肋烟叶片、茎等干物质积累动态均符合前期慢、中期快、后期又慢的变化规律,海拔高度对各指标的变化模式有显著影响,在海拔700m条件下,茎秆、叶片进入快速生长期早,干物质积累速率高,移栽后56至78d叶片干物质积累量占干物质总量的49%,单株日均叶片干物质积累9.3g。随着海拔高度的增高,烟叶生长发育和干物质积累变慢,表现在进入快速生长期变晚,干物质积累速率降低,特别是在1300m高海拔地区,12叶以上叶片出生晚,发育慢,干物质积累明显滞后,烟株打顶期比海拔700m晚半个月,砍收期晚近1个月,移栽92d之后仍有19.3%的干物质积累,不利于正常成熟和晾制。 |
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AbstractList | 在四川达州生态条件下研究了不同海拔高度(700、1000、1300m)对白肋烟地上部干物质积累动态的影响。结果表明,白肋烟叶片、茎等干物质积累动态均符合前期慢、中期快、后期又慢的变化规律,海拔高度对各指标的变化模式有显著影响,在海拔700m条件下,茎秆、叶片进入快速生长期早,干物质积累速率高,移栽后56至78d叶片干物质积累量占干物质总量的49%,单株日均叶片干物质积累9.3g。随着海拔高度的增高,烟叶生长发育和干物质积累变慢,表现在进入快速生长期变晚,干物质积累速率降低,特别是在1300m高海拔地区,12叶以上叶片出生晚,发育慢,干物质积累明显滞后,烟株打顶期比海拔700m晚半个月,砍收期晚近1个月,移栽92d之后仍有19.3%的干物质积累,不利于正常成熟和晾制。 S572; 在四川达州生态条件下研究了不同海拔高度(700、1000、1300 m)对白肋烟地上部千物质积累动态的影响.结果表明,白肋烟叶片、茎等干物质积累动态均符合前期幔、中期快、后期又慢的变化规律,海拔高度对各指标的变化模式有显著影响,在海拔700m条件下,茎秆、叶片进入快速生长期早,干物质积累速率高,移栽后56至78 d叶片干物质积累量占干物质总量的49%,单株日均叶片干物质积累9.3 g.随着海拔高度的增高,烟叶生长发育和干物质积累变慢,表现在进入快速生长期变晚,干物质积累速率降低,特别是在1300 m高海拔地区,12叶以上叶片出生晚,发育慢,干物质积累明显滞后,烟株打顶期比海拔700 m晚半个月,砍收期晚近1个月,移栽92 d之后仍有19.3%的干物质积累,不利于正常成熟和晾制. |
Author | 史宏志 谢子发 尹宏博 刘国顺 王涛 张定贵 陈志华 |
AuthorAffiliation | 河南农业大学国家烟草栽培生理生化研究基地,河南郑州450002 四川省达州烟草科研所,四川达州635000 四川省达州市烟草公司,四川达州635000 |
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Author_FL | CHEN Zhi-hua SHI Hong-zhi YIN Hong-bo XIE Zi-fa LIU Guo-shun WANG Tao ZHANG Ding-gui |
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SubjectTerms | 动态 干物质积累 海拔 生长发育 白肋烟 |
Title | 海拔高度对白肋烟地上部干物质积累动态的影响 |
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