| 摘要: |
| 通过对小麦红外照相和光谱反射率测定,以及对不同数量蚜虫为害减产等情况调查研究,得到在光谱特性上受蚜害小麦跟正常小麦具有明显差别,特别是第三与第四波段(红外)差异更为突出,反映在红外照相上差异同样明显。根据不同蚜量为害小麦(无土栽培)的试验结果进行统计分析,得到蚜量与产量,蚜量与株高的线性回归模式。 |
| 关键词: 红外监测 统计分析 光谱特性 为害 无土栽培 遥感估产 红外照相 小麦灌浆 麦蚜 光谱反射率 |
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| INFRARED FOR DETECTION OF WHEAT APHID AND IT HARM TO WHEAT |
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| Abstract: |
| The intrared color photography,the measurement of reflective s- pectrum and the study of reduction of outpot for wheat harm by dif- ferent amount of aphid show that there exit obvious different in the featura of reflective spectrum between the health wheat and the wheat after the harm,especially in band 3 and band 4(infrared)from the experimental results ef harm by different amount of infectation aphid and throngh statistical calculation,we obtained a linear regre- ssion model for seed weight of wheat again... |
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