玉米籽粒类型及其与成粒的关系  

A Study of Relationships Between Types of Corn Grain and Their Formation

作　　者：胡寅华[1] 郑卓琳 李伯航[1] 

机构地区：[1]河北农业大学农学系

出　　处：《河北农业大学学报》1991年第3期11-15,共5页Journal of Hebei Agricultural University

摘　　要：玉米雌穗总粒数在抽丝后18d决定;败育粒在抽丝后8-28d决定;抽丝后3-4d内抽出花丝的,基本上能成为有效粒。高产栽培时,措施及气候因素对晚败粒及雌穗中下部败育粒的影响显著。The total grain number of a female corn ear is decided 18 days after its silking while that of its underdeveloped grain is fixei 8~28 days after silking, In one word, the effective corn grain is developed into within 3-4days after silking. In the course of high-yielded cultivation, such factors as measures and weather conditions have remarkable effects on both late underdeveloped grain and those on the lower part of a female corn ear.

关 键 词：玉米 籽粒 败育粒 雌穗 

分 类 号：S513.032[农业科学—作物学]