种植花生,易发生锈病,要如何防治呢? 花生锈病,危害症状有哪些?该如何防治?

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1\u3001\u6e29\u5ea6
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2\u3001\u6e7f\u5ea6
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3\u3001\u5149\u7167
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1\u3001\u5982\u679c\u64ad\u79cd\u65f6\uff0c\u79cd\u690d\u5bc6\u5ea6\u8fc7\u5927\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u4e5f\u4f1a\u52a0\u5927\uff0c\u539f\u56e0\u5728\u4e8e\u7b49\u5230\u82b1\u751f\u4e2d\u540e\u671f\uff0c\u7530\u95f4\u8fc7\u5bc6\uff0c\u901a\u98ce\u6027\u4e0d\u597d\uff0c\u518d\u52a0\u4e0a\u53f6\u7247\u4e4b\u95f4\u4e92\u76f8\u906e\u6321\uff0c\u5f71\u54cd\u5149\u7167\uff0c\u5c31\u4f1a\u5bfc\u81f4\u9508\u75c5\u53d1\u751f\u4e25\u91cd\u3002
2\u3001\u591a\u5e74\u6765\u91cd\u832c\u79cd\u690d\u7684\u5730\u5757\uff0c\u9508\u75c5\u7684\u53d1\u751f\u4f1a\u52a0\u91cd\uff0c\u539f\u56e0\u67092\u70b9\uff0c\u4e00\u662f\u7530\u95f4\u75c5\u83cc\u6570\u91cf\u591a\uff0c\u4e8c\u662f\u6297\u6027\u9010\u5e74\u589e\u5927\uff0c\u7ed9\u9884\u9632\u548c\u9632\u6cbb\u5de5\u4f5c\uff0c\u5e26\u6765\u4e00\u5b9a\u7684\u96be\u5ea6\u3002
3\u3001\u5730\u52bf\u4f4e\u6d3c\u7684\u519c\u7530\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u548c\u4e25\u91cd\u7a0b\u5ea6\u4e5f\u4f1a\u52a0\u5927\uff0c\u53e6\u5916\uff0c\u6392\u6c34\u4e0d\u597d\u7684\u519c\u7530\uff0c\u4e5f\u5bb9\u6613\u611f\u67d3\u9508\u75c5\uff0c\u5982\u679c\u9047\u5230\u8fde\u7eed\u7684\u9634\u96e8\u5929\u6c14\uff0c\u7530\u95f4\u79ef\u6c34\u8fc7\u591a\uff0c\u6e7f\u5ea6\u5927\uff0c\u9508\u75c5\u53d1\u751f\u5371\u5bb3\u76f8\u5bf9\u4e5f\u4f1a\u52a0\u5927\u3002
4\u3001\u571f\u58e4\u80a5\u529b\u8d2b\u7620\u7684\u5730\u5757\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u548c\u4e25\u91cd\u7a0b\u5ea6\u4e5f\u4f1a\u52a0\u5927\uff0c\u5f53\u82b1\u751f\u5728\u8fd9\u6837\u7684\u5730\u5757\u751f\u957f\u65f6\uff0c\u7531\u4e8e\u8425\u517b\u4f9b\u5e94\u4e0d\u8db3\uff0c\u5bfc\u81f4\u82b1\u751f\u690d\u682a\u957f\u52bf\u5f31\uff0c\u81ea\u8eab\u7684\u6297\u6027\u4e5f\u4f1a\u51cf\u5f31\uff0c\u5f88\u5bb9\u6613\u611f\u67d3\u9508\u75c5\u3002
5\u3001\u82b1\u751f\u64ad\u79cd\u65f6\u95f4\u7684\u65e9\u665a\uff0c\u5bf9\u4e8e\u9508\u75c5\u7684\u53d1\u751f\u4e5f\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\uff0c\u6bd4\u5982\u6625\u82b1\u751f\u9002\u5f53\u65e9\u64ad\uff0c\u4f1a\u51cf\u8f7b\u9508\u75c5\u7684\u5371\u5bb3\uff0c\u800c\u590f\u82b1\u751f\u9002\u5f53\u665a\u64ad\uff0c\u5219\u4f1a\u51cf\u8f7b\u9508\u75c5\u7684\u5371\u5bb3\u3002



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1\u3001\u9009\u62e9\u6297\u75c5\u6027\u6bd4\u8f83\u5f3a\u7684\u54c1\u79cd\uff0c\u4ee5\u53ca\u9002\u5408\u5f53\u5730\u79cd\u690d\u7684\u54c1\u79cd\u4e3a\u5b9c\uff0c\u5728\u540c\u6837\u7684\u5916\u90e8\u73af\u5883\u4e0b\uff0c\u9508\u75c5\u7684\u53d1\u751f\u4f1a\u5f97\u5230\u4e00\u5b9a\u7684\u7f13\u89e3\u3002
2\u3001\u548c\u79be\u672c\u79d1\u4f5c\u7269\u8f6e\u4f5c\u5012\u832c\u79cd\u690d\uff0c\u5bf9\u4e8e\u9884\u9632\u9508\u75c5\u6709\u5f88\u597d\u7684\u6548\u679c\uff0c\u5c24\u5176\u662f\u5e38\u5e74\u79cd\u690d\u82b1\u751f\u7684\u5730\u5757\uff0c\u9664\u4e86\u9508\u75c5\u5916\uff0c\u5176\u5b83\u7684\u75c5\u5bb3\u53d1\u751f\u4e5f\u4f1a\u4e25\u91cd\uff0c\u800c\u8f6e\u4f5c\u5012\u832c\u540e\uff0c\u5f88\u591a\u75c5\u5bb3\u7684\u53d1\u751f\u90fd\u4f1a\u6709\u4e0d\u540c\u7a0b\u5ea6\u7684\u9884\u9632\u3002
3\u3001\u505a\u597d\u6392\u6c34\u63aa\u65bd\uff0c\u7279\u522b\u662f\u76f8\u5bf9\u4f4e\u6d3c\u7684\u519c\u7530\uff0c\u9047\u5230\u8fde\u7eed\u7684\u9634\u96e8\u5929\u6c14\uff0c\u591a\u53bb\u7530\u95f4\u89c2\u5bdf\uff0c\u7530\u95f4\u4e0d\u8981\u957f\u65f6\u95f4\u7684\u6709\u79ef\u6c34\u5b58\u5728\u3002
4\u3001\u6ce8\u610f\u6e05\u7406\u75c5\u6b8b\u4f53\uff0c\u5f53\u82b1\u751f\u6536\u83b7\u540e\uff0c\u7530\u95f4\u6389\u843d\u7684\u843d\u53f6\u3001\u830e\u6746\u3001\u82b1\u751f\u679c\u7b49\uff0c\u8981\u53ca\u65f6\u6e05\u7406\u51fa\u7530\u5916\uff0c\u51cf\u5c11\u75c5\u83cc\u5728\u7530\u95f4\u8d8a\u51ac\u7684\u573a\u6240\u3002
5\u3001\u5f53\u7530\u95f4\u82b1\u751f\u5df2\u51fa\u73b0\u9508\u75c5\u540e\uff0c\u8981\u53ca\u65f6\u6253\u836f\u9632\u6cbb\uff0c\u8d8a\u65e9\u8d8a\u597d\uff0c\u76ee\u524d\u5e02\u9762\u4e0a\u53ef\u7528\u7684\u836f\u5242\u6709\u5f88\u591a\uff0c\u5e38\u7528\u7684\u6709\u4e09\u5511\u916e\u3001\u620a\u5511\u9187\u3001\u4e19\u73af\u5511\u3001\u70ef\u5511\u9187\u6216\u8005\u82ef\u7532\u00b7\u4e19\u73af\u5511\u7b49\uff0c\u5f53\u7136\uff0c\u8fd8\u6709\u5176\u5b83\u7684\u6740\u83cc\u5242\uff0c\u6548\u679c\u90fd\u4e0d\u9519\uff0c\u5927\u5bb6\u53ef\u6839\u636e\u5f53\u5730\u7684\u6297\u6027\u4ee5\u53ca\u81ea\u8eab\u7684\u5b9e\u9645\u60c5\u51b5\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u836f\u5242\u3002



\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8e\u82b1\u751f\u9508\u75c5\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u4ece\u9508\u75c5\u7684\u75c7\u72b6\u3001\u53d1\u751f\u539f\u56e0\u5230\u9884\u9632\u548c\u9632\u6cbb\u529e\u6cd5\uff0c\u7ed9\u5927\u5bb6\u505a\u4e86\u8be6\u7ec6\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u80fd\u7ed9\u82b1\u751f\u79cd\u690d\u6237\u4eec\u5e26\u6765\u4e00\u5b9a\u7684\u5e2e\u52a9\u3002

\u82b1\u751f\u9508\u75c5\uff0c\u4e00\u79cd\u771f\u83cc\u6027\u75c5\u5bb3\uff0c\u76f8\u4fe1\u79cd\u690d\u82b1\u751f\u7684\u519c\u6237\uff0c\u591a\u591a\u5c11\u5c11\u90fd\u9047\u5230\u8fc7\u9508\u75c5\uff0c\u5b83\u5206\u5e03\u5e7f\u6cdb\uff0c\u5728\u6211\u56fd\u5357\u5317\u65b9\u82b1\u751f\u79cd\u690d\u533a\u90fd\u6709\u53d1\u751f\uff0c\u5e76\u4e14\u8fd8\u6bd4\u8f83\u666e\u904d\uff0c\u5371\u5bb3\u4e25\u91cd\uff0c\u636e\u4e00\u4e9b\u82b1\u751f\u79cd\u690d\u6237\u53cd\u5e94\uff0c\u8f7b\u5219\u80fd\u9020\u621010%\u5de6\u53f3\u7684\u51cf\u4ea7\uff0c\u5982\u679c\u53d1\u751f\u8f83\u4e25\u91cd\uff0c\u80fd\u51cf\u4ea7\u4e00\u534a\u4ee5\u4e0a\u3002
\u82b1\u751f\u9508\u75c5\u968f\u7740\u8fd1\u4e9b\u5e74\u6765\u7684\u53d1\u5c55\uff0c\u4ece\u53d1\u75c5\u60c5\u51b5\u6765\u770b\uff0c\u4e0d\u5c11\u5730\u533a\u6709\u52a0\u91cd\u7684\u8d8b\u52bf\uff0c\u9508\u75c5\u4e0d\u4ec5\u5bf9\u4ea7\u91cf\u6709\u5f71\u54cd\uff0c\u540c\u65f6\uff0c\u82b1\u751f\u4f5c\u4e3a\u4e00\u79cd\u5f88\u91cd\u8981\u7684\u6cb9\u6599\u4f5c\u7269\uff0c\u51fa\u6cb9\u7387\u4e5f\u4f1a\u964d\u4f4e\uff0c\u5356\u4e0d\u4e0a\u9ad8\u4ef7\uff0c\u79cd\u690d\u6237\u7684\u5229\u6da6\u4e0b\u964d\uff0c\u6240\u4ee5\uff0c\u9508\u75c5\u8981\u5f15\u8d77\u6240\u6709\u82b1\u751f\u79cd\u690d\u6237\u7684\u6ce8\u610f\u3002

\u82b1\u751f\u9508\u75c5\u4e3b\u8981\u4ee5\u53f6\u7247\u53d7\u5bb3\uff0c\u540c\u65f6\u830e\u90e8\u3001\u53f6\u67c4\u6216\u8005\u835a\u679c\u4e0a\u4e5f\u4f1a\u53d7\u611f\u67d3\uff0c\u60a3\u75c5\u7684\u82b1\u751f\u690d\u682a\uff0c\u53f6\u7247\u4f1a\u63d0\u524d\u6389\u843d\uff0c\u4e0b\u9762\u5c0f\u5e2e\u624b\u8be6\u7ec6\u8bf4\u8bf4\u5371\u5bb3\u75c7\u72b6\uff0c\u5927\u5bb6\u8981\u4ed4\u7ec6\u5206\u8fa8\u3002
\u5f53\u53f6\u7247\u611f\u67d3\u9508\u75c5\u4ee5\u540e\uff0c\u6b63\u9762\u6216\u80cc\u9762\u9996\u5148\u4f1a\u51fa\u73b0\u75c5\u6591\uff0c\u5706\u5f62\u6216\u692d\u5706\u5f62\uff0c\u4e0d\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u770b\u7740\u50cf\u5f88\u591a\u5c0f\u70b9\u70b9\uff0c\u989c\u8272\u5448\u9ec4\u8272\u6216\u6de1\u9ec4\u8272\uff0c\u968f\u7740\u75c5\u5bb3\u7684\u52a0\u91cd\uff0c\u8fd9\u4e9b\u75c5\u6591\u6269\u5927\uff0c\u51fa\u73b0\u51f8\u8d77\uff0c\u989c\u8272\u4e5f\u4f1a\u53d8\u6210\u9ec4\u8910\u8272\u6216\u7ea2\u8910\u8272\uff0c\u968f\u7740\u75c5\u6591\u8868\u76ae\u7684\u7834\u88c2\uff0c\u4f1a\u9732\u51fa\u7ea2\u8910\u8272\uff08\u94c1\u9508\u8272\uff09\u7684\u7c89\u672b\u7269\uff0c\u8fd9\u4e9b\u7c89\u672b\u7269\u5176\u5b9e\u5c31\u662f\u75c5\u83cc\u590f\u5b62\u5b50\u5806\u3002
\u9508\u75c5\u4fb5\u88ad\u53f6\u7247\u65f6\uff0c\u5f80\u5f80\u4f1a\u4ece\u4e0b\u90e8\u5f00\u59cb\uff0c\u968f\u540e\u6162\u6162\u6269\u6563\u5230\u4e0a\u90e8\uff0c\u8fd9\u4e5f\u7ed9\u9632\u6cbb\u5de5\u4f5c\u5e26\u6765\u4e00\u5b9a\u7684\u96be\u5ea6\uff0c\u4ece\u4e0b\u90e8\u5f00\u59cb\u53d1\u75c5\u540e\uff0c\u4e0d\u53ca\u65f6\u89c2\u5bdf\uff0c\u7531\u4e8e\u4e0d\u6613\u53d1\u73b0\uff0c\u4f1a\u9519\u8fc7\u6700\u4f73\u9632\u6cbb\u65f6\u671f\u3002
\u800c\u5f53\u830e\u90e8\u3001\u53f6\u67c4\u6216\u8005\u835a\u679c\u4e0a\u53d7\u611f\u67d3\u540e\uff0c\u75c7\u72b6\u548c\u53f6\u7247\u4e0a\u8868\u73b0\u51fa\u6765\u7684\u57fa\u672c\u7c7b\u4f3c\uff0c\u4e5f\u662f\u590f\u5b62\u5b50\u5806\u5371\u5bb3\uff0c\u6709\u75c5\u6591\uff0c\u989c\u8272\u5448\u5706\u5f62\u3001\u692d\u5706\u5f62\u6216\u8005\u662f\u5176\u5b83\u4e0d\u89c4\u5219\u7684\u5f62\u72b6\uff0c\u4e5f\u4f1a\u7834\u88c2\u9732\u51fa\u94c1\u9508\u8272\u7684\u7c89\u672b\u7269\uff0c\u5f53\u830e\u6746\u611f\u67d3\u540e\uff0c\u5bb9\u6613\u51fa\u73b0\u6298\u65ad\u7684\u60c5\u51b5\uff0c\u5f53\u835a\u679c\u611f\u67d3\u540e\uff0c\u5bb9\u6613\u51fa\u73b0\u843d\u835a\u7684\u60c5\u51b5\u3002

\u4ece\u4ee5\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0c\u82b1\u751f\u9508\u75c5\u4e3b\u8981\u662f\u590f\u5b62\u5b50\u6240\u5371\u5bb3\u7684\uff0c\u800c\u5f71\u54cd\u590f\u5b62\u5b50\u7684\u56e0\u7d20\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b3\u70b9\uff1a
1\u3001\u6e29\u5ea6
\u590f\u5b62\u5b50\u5728\u9002\u5b9c\u7684\u6e29\u5ea6\u4e0b\uff0c\u6d3b\u529b\u4f1a\u53d8\u5f97\u5f88\u65fa\u76db\uff0c\u636e\u89c2\u5bdf\uff0c\u6e29\u5ea6\u5904\u4e8e25-28\u5ea6\u65f6\uff0c\u4f1a\u5bfc\u81f4\u5371\u5bb3\u8f83\u5927\uff0c\u6015\u9ad8\u6e29\uff0c\u6bd4\u5982\u82b1\u751f\u79cd\u690d\u8fc7\u7a0b\u4e2d\uff0c30\u5ea6\u4ee5\u4e0a\u7684\u5929\u6c14\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u5c31\u4f1a\u4e0b\u964d\uff0c\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u6e29\u5ea6\u8d8a\u4f4e\uff08\u76f8\u5bf9\u60c5\u51b5\u4e0b\uff09\uff0c\u9020\u6210\u7684\u5371\u5bb3\u4e5f\u4f1a\u8d8a\u5927\u3002
2\u3001\u6e7f\u5ea6
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3\u3001\u5149\u7167
\u5149\u7167\u5bf9\u4e8e\u590f\u5b62\u5b50\u7684\u53d1\u82bd\u8d77\u7740\u5f88\u91cd\u8981\u7684\u5f71\u54cd\uff0c\u5982\u679c\u5149\u7167\u8db3\uff0c\u80fd\u5f88\u597d\u7684\u6291\u5236\u590f\u5b62\u5b50\u53d1\u82bd\uff0c\u76f8\u53cd\uff0c\u5982\u679c\u5149\u7167\u4e0d\u8db3\uff0c\u590f\u5b62\u5b50\u53d1\u82bd\u826f\u597d\uff0c\u5bf9\u5e94\u7684\u5371\u5bb3\u4e5f\u4f1a\u52a0\u5927\u3002

\u82b1\u751f\u9508\u75c5\u7684\u53d1\u75c5\u7a0b\u5ea6\u6709\u8f7b\u6709\u91cd\uff0c\u4e3b\u8981\u548c\u4ee5\u4e0b5\u79cd\u539f\u56e0\u6709\u5173\uff0c\u5e0c\u671b\u82b1\u751f\u79cd\u690d\u6237\u4eec\u591a\u591a\u6ce8\u610f\u3002
1\u3001\u5982\u679c\u64ad\u79cd\u65f6\uff0c\u79cd\u690d\u5bc6\u5ea6\u8fc7\u5927\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u4e5f\u4f1a\u52a0\u5927\uff0c\u539f\u56e0\u5728\u4e8e\u7b49\u5230\u82b1\u751f\u4e2d\u540e\u671f\uff0c\u7530\u95f4\u8fc7\u5bc6\uff0c\u901a\u98ce\u6027\u4e0d\u597d\uff0c\u518d\u52a0\u4e0a\u53f6\u7247\u4e4b\u95f4\u4e92\u76f8\u906e\u6321\uff0c\u5f71\u54cd\u5149\u7167\uff0c\u5c31\u4f1a\u5bfc\u81f4\u9508\u75c5\u53d1\u751f\u4e25\u91cd\u3002
2\u3001\u591a\u5e74\u6765\u91cd\u832c\u79cd\u690d\u7684\u5730\u5757\uff0c\u9508\u75c5\u7684\u53d1\u751f\u4f1a\u52a0\u91cd\uff0c\u539f\u56e0\u67092\u70b9\uff0c\u4e00\u662f\u7530\u95f4\u75c5\u83cc\u6570\u91cf\u591a\uff0c\u4e8c\u662f\u6297\u6027\u9010\u5e74\u589e\u5927\uff0c\u7ed9\u9884\u9632\u548c\u9632\u6cbb\u5de5\u4f5c\uff0c\u5e26\u6765\u4e00\u5b9a\u7684\u96be\u5ea6\u3002
3\u3001\u5730\u52bf\u4f4e\u6d3c\u7684\u519c\u7530\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u548c\u4e25\u91cd\u7a0b\u5ea6\u4e5f\u4f1a\u52a0\u5927\uff0c\u53e6\u5916\uff0c\u6392\u6c34\u4e0d\u597d\u7684\u519c\u7530\uff0c\u4e5f\u5bb9\u6613\u611f\u67d3\u9508\u75c5\uff0c\u5982\u679c\u9047\u5230\u8fde\u7eed\u7684\u9634\u96e8\u5929\u6c14\uff0c\u7530\u95f4\u79ef\u6c34\u8fc7\u591a\uff0c\u6e7f\u5ea6\u5927\uff0c\u9508\u75c5\u53d1\u751f\u5371\u5bb3\u76f8\u5bf9\u4e5f\u4f1a\u52a0\u5927\u3002
4\u3001\u571f\u58e4\u80a5\u529b\u8d2b\u7620\u7684\u5730\u5757\uff0c\u53d1\u751f\u9508\u75c5\u7684\u51e0\u7387\u548c\u4e25\u91cd\u7a0b\u5ea6\u4e5f\u4f1a\u52a0\u5927\uff0c\u5f53\u82b1\u751f\u5728\u8fd9\u6837\u7684\u5730\u5757\u751f\u957f\u65f6\uff0c\u7531\u4e8e\u8425\u517b\u4f9b\u5e94\u4e0d\u8db3\uff0c\u5bfc\u81f4\u82b1\u751f\u690d\u682a\u957f\u52bf\u5f31\uff0c\u81ea\u8eab\u7684\u6297\u6027\u4e5f\u4f1a\u51cf\u5f31\uff0c\u5f88\u5bb9\u6613\u611f\u67d3\u9508\u75c5\u3002
5\u3001\u82b1\u751f\u64ad\u79cd\u65f6\u95f4\u7684\u65e9\u665a\uff0c\u5bf9\u4e8e\u9508\u75c5\u7684\u53d1\u751f\u4e5f\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\uff0c\u6bd4\u5982\u6625\u82b1\u751f\u9002\u5f53\u65e9\u64ad\uff0c\u4f1a\u51cf\u8f7b\u9508\u75c5\u7684\u5371\u5bb3\uff0c\u800c\u590f\u82b1\u751f\u9002\u5f53\u665a\u64ad\uff0c\u5219\u4f1a\u51cf\u8f7b\u9508\u75c5\u7684\u5371\u5bb3\u3002

\u770b\u5230\u8fd9\uff0c\u76f8\u4fe1\u5927\u5bb6\u5bf9\u4e8e\u82b1\u751f\u9508\u75c5\u6709\u4e86\u5f88\u5927\u7684\u4e86\u89e3\uff0c\u4e0b\u9762\u5c0f\u5e2e\u624b\u7ee7\u7eed\u548c\u5927\u5bb6\u8bf4\u6bd4\u8f83\u5173\u5fc3\u7684\u95ee\u9898\uff0c\u9762\u5bf9\u82b1\u751f\u9508\u75c5\uff0c\u8be5\u5982\u4f55\u9884\u9632\u548c\u9632\u6cbb\u5462\uff1f
1\u3001\u9009\u62e9\u6297\u75c5\u6027\u6bd4\u8f83\u5f3a\u7684\u54c1\u79cd\uff0c\u4ee5\u53ca\u9002\u5408\u5f53\u5730\u79cd\u690d\u7684\u54c1\u79cd\u4e3a\u5b9c\uff0c\u5728\u540c\u6837\u7684\u5916\u90e8\u73af\u5883\u4e0b\uff0c\u9508\u75c5\u7684\u53d1\u751f\u4f1a\u5f97\u5230\u4e00\u5b9a\u7684\u7f13\u89e3\u3002
2\u3001\u548c\u79be\u672c\u79d1\u4f5c\u7269\u8f6e\u4f5c\u5012\u832c\u79cd\u690d\uff0c\u5bf9\u4e8e\u9884\u9632\u9508\u75c5\u6709\u5f88\u597d\u7684\u6548\u679c\uff0c\u5c24\u5176\u662f\u5e38\u5e74\u79cd\u690d\u82b1\u751f\u7684\u5730\u5757\uff0c\u9664\u4e86\u9508\u75c5\u5916\uff0c\u5176\u5b83\u7684\u75c5\u5bb3\u53d1\u751f\u4e5f\u4f1a\u4e25\u91cd\uff0c\u800c\u8f6e\u4f5c\u5012\u832c\u540e\uff0c\u5f88\u591a\u75c5\u5bb3\u7684\u53d1\u751f\u90fd\u4f1a\u6709\u4e0d\u540c\u7a0b\u5ea6\u7684\u9884\u9632\u3002
3\u3001\u505a\u597d\u6392\u6c34\u63aa\u65bd\uff0c\u7279\u522b\u662f\u76f8\u5bf9\u4f4e\u6d3c\u7684\u519c\u7530\uff0c\u9047\u5230\u8fde\u7eed\u7684\u9634\u96e8\u5929\u6c14\uff0c\u591a\u53bb\u7530\u95f4\u89c2\u5bdf\uff0c\u7530\u95f4\u4e0d\u8981\u957f\u65f6\u95f4\u7684\u6709\u79ef\u6c34\u5b58\u5728\u3002
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花生锈病从1970年传播进入我国,至现在,在我国的花生产区都有发生,总体来说南方地区的发病情况要比北方重,花生被锈病侵染后,植株提早落叶和早熟,除了影响产量外,对花生的出仁率和出油率都造成极大的影响,发病越早影响越严重。那么面对锈病,在花生的种植中该如何防治?今天我们就来说说花生锈病的防治话题。

一、花生锈病的病害症状

花生锈病在花生生长发育的各个时期都有几率染病,但在花生结荚以后发病的几率较高,也最为常见。病菌主要侵染叶片,也可危害叶柄、果柄、托叶、茎秆和荚果。发病初期,叶片的背面出现针头大疹状白色斑点,而叶面呈现黄色小点。随着病情的加重,叶片背面病斑变为淡黄色,圆形,随着病斑扩散,病部凸起呈黄褐色,表皮产生破裂,露出铁锈色的粉末(夏孢子和夏孢子堆),病斑周围有一狭窄的黄晕。

锈病发病一般是先从底叶开始,然后逐渐向顶部扩散,叶片被病斑侵染后,很快变黄枯干。发病的植株矮小,提早落叶枯死,并形成发病中心;收获时果柄易断、有落果现象发生;发病严重的花生种植地,叶子和茎秆干枯呈火灼状。

二、花生锈病发生的原因

1、环境因素

影响花生锈病流传的主要因素是降雨量和雾露,病菌萌发的温度为11℃~33℃,最适宜的温度为25℃~28℃,春秋种植的花生,基本上温度都在适宜的范围内。雨水多、露水多、雾重都可引起锈病的流行。高温高湿和温差大也有利于病害的蔓延。

2、栽培因素

春花生早播发病轻,晚播发病较重;秋花生则早播发病重,晚播发病轻;重施氮肥、种植密度大,通风透气性差的田地发病较重。

3、病害循环侵染

病害来源主要有以下几个方面:

三、花生锈病的防治措施

1、农业防治

2、化学防治

在花期发病株率达到20%或近地面1~2叶有2~3个病斑的时候,可进行喷雾防治。药剂选择有波尔多液、三唑酮、敌锈钠、百菌清、三唑醇、克菌丹等,具体药剂用量严格按照说明书进行配制和稀释。每隔7~10天,喷雾一次,连续3~4次。喷雾是可加入洗衣粉,有提高农药效果的作用。

以上就是花生锈病的发生症状、发病原因及防治措施,由于花生锈病对花生的危害比较大,所以种植户朋友一定要在田间管理上细心,在做好农业防治工作的同时,也要仔细观察植株的生长情况,在合适的时机采取农药防治。



花生锈病和病毒病的发病原因及防治措施



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