摘要
采用田间试验与室内分析相结合的方法，研究了冀东地区马铃薯(克新1号)在地膜覆盖栽培、块茎产量38718kg／hm^2条件下的植株生长动态。结果表明：植株鲜重、干重随生长进程而增加．5月17日～5月31日，是马铃薯茎枝鲜重、干重增长最快的时期，分别占各自总增长量的44．36％，34．35％。4月16日～5月16日，植株生产的干物质主要分配在叶中、茎枝次之、块茎最少；此后，干物质向块茎分配的比率则明显上升，收获时，植株生产的干物质主要贮存在块茎中，占植株总干重的74．43％。
In way of the combination of field experiment and indoor analysis,the growth trend of potato (Kexin No.1) in eastern Hebei province was studied under the condition of tectorial output 38 718 kg/hm~2.The results showed that the fresh weight and dry weight increased with the growth of the plants.Fresh and dry weight of the plants mainly increased in the period from March 17~(th) to May 31st, which were 44.36% and 34.35% of the total growth value.From April 16~(th) to May 16~(th),the dry matters were mainly distributed in the blade, then stems and branches,and the fewest in the tuber.After that,the distribution rate of dry matters to the tuber increased apparently.At harvest time,most dry matters produced by the plant were stored in tuber,which was 74.43% of the total dry weight of the plant.
出处
《河北科技师范学院学报》
CAS
2004年第4期13-16,63,共5页
Journal of Hebei Normal University of Science & Technology
