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作物学报 ›› 2012, Vol. 38 ›› Issue (03): 522-527.doi: 10.3724/SP.J.1006.2012.00522

• 耕作栽培·生理生化 • 上一篇    下一篇

逆境下广布野豌豆的适宜收获时间

王颖1,2，侯宇3，李晓宇2，孙海霞2，蔺吉祥1，穆春生1,*   

  1. 1 草地科学研究所草地生态重点实验室，吉林长春 130024；2 中国科学院东北地理与农业生态研究所，吉林长春 130012；3 北华大学化学与生物学院, 吉林吉林 132013
  • 收稿日期:2011-05-10 修回日期:2011-12-15 出版日期:2012-03-12 网络出版日期:2012-01-04
  • 通讯作者: MU Chun-Sheng, E-mail: mucs821@nenu.edu.cn, Tel: 0431-85098113
  • 基金资助:

    This work was financed by Projects in the National Science & Technology Pillar Program (2009BADB3B02).

Optimum Harvest Time of Vicia cracca under Stress Condition

WANG Ying1,2,HOU Yu3,LI Xiao-Yu2,SUN Hai-Xia2,LIN Ji-Xiang1,MU Chun-Sheng1,?   

  1. 1 Key Laboratory of Vegetation Ecology of Ministry of Education, Institute of Grassland Science, Changchun 130024, China; 2 Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China; 3 College of Chemistry and Biology, Beihua University, Jilin 132013, China
  • Received:2011-05-10 Revised:2011-12-15 Published:2012-03-12 Published online:2012-01-04
  • Contact: MU Chun-Sheng, E-mail: mucs821@nenu.edu.cn, Tel: 0431-85098113
  • Supported by:

    This work was financed by Projects in the National Science & Technology Pillar Program (2009BADB3B02).

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摘要： 及时收获对于获得最大的种子活力和种子产量是很重要的，许多牧草都具有种子脱落及其他种子生产的问题。裂荚是广布野豌豆种子生产中的一个重要问题。本文的研究目的是通过分析种子和荚果的生理学特征、种子的抗逆能力来进一步确定广布野豌豆(Vicia cracca)的收获时间。在广布野豌豆荚果发育过程中，每隔3 d收获1次荚果，到荚果开始出现开裂为止(盛花后第42 d)。结果显示，盛花后36~42 d，荚果干重、千粒重达到最大及荚果含水量达到最小，在此期间NaCl和Na2CO3胁迫下的种子发芽率、发芽速率及胚根长均达到最大值。因此，广布野豌豆在裂荚前6 d收获不影响种子产量和品质。

关键词: 收获时间, 荚果, 种子

Abstract: Timely harvest is critical to achieve maximum seed viability, vigour and yield. Many native grasses display seed shattering and other seed production problems. Shattering during harvest is a major problem in seed production of Vicia. cracca (L.). The objective of this study was to further determine the optimum harvest time of V. cracca by simultaneously analyzing pod and seed morphological and physiological characters, as well as seed stress tolerance. Pods were harvested at three-day intervals from peak anthesis until pod shattering in pod development. The results showed that pod dry weight (DWT) and thousand seed weight (TSW) reached the maximum, as well as pod moisture content (PMC) reached the minimum from 36 to 42 days after peak anthesis (DAPA). The maximum percentage germination, germination rate and radicle length were at about 36 DAPA under NaCl and Na2CO3 stresses.Therefore, V. cracca can be harvested at six days before pod shattering without affecting yields and seed quality.

Key words: Salinity, Alkalinity, Harvest time, Pod, Seed

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