摘要
大豆百粒重受鼓粒后气象条件的影响，由此引起的产量波动约占大豆总产量的３．１％。百粒重的大小主要取决于粒重的增长速度和鼓粒时间的长短。粒重的增长速度，前期受最高气温、日照时数及降雨量影响较大，而后期受日较差及日照时数的影响较大；鼓粒持续时间主要受鼓粒后的温度条件影响。各气象要素综合作用决定了大豆百粒重的大小。
Soybean 100 seed weight is influenced by the meteorological condition on seed filling stage. The causative yield fluctuation is 3.1% of the total output. The weight of 100 seeds dapends upon mainly on its increase rate and its continuous time. The increase rate of 100 seed weight is mainly influenced by the highest temperature, the duration of sunshine and the rain capacity at farmer stage. At later stage it is mainly influenced by temperature diurnal variation and the duration of sunshine. The continuous time of 100 seeds weight are mainly influenced by the temperature condition of seed filling stage. The synthetic effect of each meteorological element decides the weight of 100 seeds.
出处
《大豆科学》
CAS
CSCD
北大核心
1998年第2期141-146,共6页
Soybean Science
关键词
大豆
百粒重
气象条件
相关性
Spring soybean
100-seed weight
Meteorological condition
