天气预报 > 其他 > 如何判断花生的成熟与否
如何判断花生的成熟与否
更新时间: 2020-09-16 00:00:00  

从植株长相看,上部叶片变黄,中下部叶片由绿转黄并逐步脱落,茎秆转为黄绿色并枯软,饱果率在百分之七十五以上,荚果果壳硬化,多数荚果的网纹明显,荚果内部海绵层收缩破裂并有黑褐色光泽,种仁饱满,种皮呈现固有的颜色,就要抓紧收获,收晚了掉果多,拣拾困难,产量降低,品质变劣;土壤湿润时收获的荚果比干燥时收获的荚果发芽率高,留种用的花生,要比一般用的花生提早收获,适期收获的花生,果壳内膜呈白色,种子生活力强;花生一年生草本。根部有丰富的根瘤;茎直立或匍匐,长30-80厘米,茎和分枝均有棱,被黄色长柔毛,后变无毛。

关键词: 如何 判断 花生 成熟 与否

如何判断花生的成熟与否相关经验

天气预报

最新推荐

页面:/news/view-2513417/ | 耗时:0.4412 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2513417 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2513417 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2513417 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1084471,1099121,1075793,1093657,1075823,1076868,1045755,1046666,1044426,1099791,1089464,1107965,1086434,1052433,1062696,1078863,1095812,1094683,1097517,1101929,1042658,1089820,1110516,1055526,1078615,1078226,1094442,901464,1086091,1049030) ORDER BY field (ArticleID,1084471,1099121,1075793,1093657,1075823,1076868,1045755,1046666,1044426,1099791,1089464,1107965,1086434,1052433,1062696,1078863,1095812,1094683,1097517,1101929,1042658,1089820,1110516,1055526,1078615,1078226,1094442,901464,1086091,1049030)