RICE SHOOT RESPONSE TO ROOT CONFINEMENT WITHIN A MEMBRANE

被引:4
|
作者
SLATON, NA [1 ]
BEYROUTY, CA [1 ]
机构
[1] UNIV ARKANSAS, DEPT AGRON, FAYETTEVILLE, AR 72701 USA
关键词
D O I
10.2134/agronj1992.00021962008400010011x
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
A porous membrane has been used for root studies of upland crops but not for crops grown under submerged conditions. A field study was conducted to compare the growth of paddy rice (Oryza sativa L.) with and without root confinement within a porous membrane. Three membrane configurations were compared: (i) a narrow membrane; (ii) a wide membrane; and (iii) a modified wide membrane. Root confinement within membranes reduced all shoot growth and yield parameters compared to soil-grown plants (control). Reductions in shoot growth and yield parameters were usually least for the modified wide membrane and greatest for the narrow membrane.
引用
收藏
页码:50 / 53
页数:4
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