中国草地学报2025，Vol.47Issue(8)：142-148,7.DOI:10.16742/j.zgcdxb.20240436
基于水活度法测定包衣种子含水量
Assessment of Seed Moisture Content in Coated Forage Seeds Using Water Activity
摘要
Abstract
Moisture content is a key indicator of seed quality,and its accurate and rapid determination is essential for seed grading.With the increasing use of seed coating technology in seed production and trade,traditional high(low)constant-temperature method often severely underestimated the actual mois-ture content of coated seeds due to the influence of coating materials.To address this issue,four coated for-age species:Medicago sativa,Elymus dahuricus,Lolium perenne and Dactylis glomerata,were selected as experimental materials.By analyzing the relationship between water activity of coated seeds and the moisture content of naked seeds,a predicted model for coated seeds moisture content based on water activ-ity was developed.The goodness-of-fit values of the prediction models for the four species were 0.9003,0.9124,0.9076,and 0.9323,respectively,with relative errors of 2.87%,4.08%,3.07%and 4.14%.These results indicated that seed water activity can serve as a reliable,non-destructive,and rapid indicator for determining the moisture content of coated seeds.关键词
数学模型/水活度/指数函数/裸种子/决定系数/拟合优度Key words
Mathematical model/Water activity/Logarithmic function/Naked seed/Coefficient of determination/Goodness-of-fit分类
农业科技引用本文复制引用
潘佳,刘亚洁,胡小文..基于水活度法测定包衣种子含水量[J].中国草地学报,2025,47(8):142-148,7.基金项目
甘肃省首席科学家负责制项目(23ZDKA013) （23ZDKA013）
甘肃省重大专项项目(24ZD13NA016) （24ZD13NA016）
