• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Annual Conference of the Australian^Society^of^Sugar^Cane^Technologists >RELATIONSHIPS AMONG LEAF AREA INDEX, TOTAL DRY MATTER AND SUGARCANE YIELD IN WESTERN KENYA
【24h】

RELATIONSHIPS AMONG LEAF AREA INDEX, TOTAL DRY MATTER AND SUGARCANE YIELD IN WESTERN KENYA

机译：肯尼亚西部叶面积指数，干物质总干物质和甘蔗产量的关系

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Sugarcane cultivars differ in photosynthetic efficiency and leaf area index (LAI) and consequently in total dry matter (TDM) production. However, in Kenya the relationships between LAI, TDM production and final cane yield (TCH) are not well understood.The trial was planted at two locations, Kenya Sugar Research Foundation (KESREF) -Kibos and Mumias.The objectives were to investigate how LAI and TDM are related to cane yield and how LAI and TDM are related to each other.Three sugarcane cultivars C0945, EAK73-335 and KEN83-737 were planted at two different row spacings (1.2 m and 1.5 m) in June and September 2011. Plots measured 6.0 m x 10 m. The experimental design was a split-split plot arranged in randomised completeblock with three replications. The experiment was harvested at 17 months after planting (MAP).The data were subjected to analysis of variance (ANOVA). Mean LAI increased throughout the growing period. LAI was poorly related to TCH (r~2 = 0.03-0.05) early and there was improvement towards maturity (r~2 = 0.15-0.44).The relationship between TDM and TCH was also low (r~2 = 0.04-0.16). The relationship between LAI and TDM production was significant and stronger than that between TDM and TCH.Results indicate that TDM can be used for variety selection as LAI and the relationship between LAI and TDM was strong. Knowledge of this is important for crop management and variety selection.
机译：甘蔗品种在光合效率和叶区域指数（LAI）中不同，因此在总干物质（TDM）生产中。然而，在肯尼亚，LAI，TDM生产和最终甘蔗产量（TCH）之间的关系尚不清楚。试验被种植在两个地点，肯尼亚糖研究基金会（Kesref） - 吉斯和毫米斯。目的是调查赖和TDM与甘蔗产量相关，以及LAI和TDM如何彼此相关。在2011年和2011年6月和9月，种植了三种不同的行间距（1.2米和1.5米）的甘蔗品种C0945，EAK73-335和KEN83-737。图测量了6.0 mx 10米。实验设计是分裂曲线，排列在随机全组织中，具有三种复制。在种植（地图）后17个月收获了实验。对方差的数据进行分析（ANOVA）。平均赖在整个成长期间增加。 Lai与TCH（R〜2 = 0.03-0.05）较差，成熟度有所改善（R〜2 = 0.15-0.44）。TDM和TCH之间的关系也低（R〜2 = 0.04-0.16） 。 LAI和TDM生产之间的关系比TDM和TCH之间的关系显着强大。结果表明，TDM可用于各种选择作为LAI和LAI与TDM之间的关系强劲。了解这对作物管理和品种选择很重要。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号