7月4-5日(ri)，省(sheng)植保站召開全省(sheng)2019年秋作物重大病(bing)蟲害發生(sheng)趨勢會(hui)商會(hui)，來自(zi)各省(sheng)轄市、直管縣(xian)及(ji)部分重點區域站的(de)測報技術人員和相關專家對(dui)我省(sheng)大豆、紅薯、芝(zhi)麻主(zhu)要病(bing)蟲發生(sheng)趨勢進行了分析會(hui)商，預報結果如下(xia)：
一、大豆病蟲害
預計大豆主要病蟲(chong)害(hai)(hai)(hai)總體中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng),發(fa)(fa)(fa)(fa)生(sheng)總面(mian)(mian)(mian)積(ji)1500萬(wan)(wan)(wan)畝(mu)次(ci)左右(you)(you)(you)。其中(zhong)大豆蚜(ya)中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)120萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期在(zai)8月(yue)(yue)上(shang)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬；大豆食心(xin)蟲(chong)偏輕發(fa)(fa)(fa)(fa)生(sheng),洛陽、三門峽、鄧州等地中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)80萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期在(zai)8月(yue)(yue)中(zhong)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬；斜紋夜蛾(e)中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)50萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期在(zai)8月(yue)(yue)上(shang)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬；蝸牛中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，商丘、周口(kou)、開封、許(xu)昌(chang)、永城等地局部偏重發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)250萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期8月(yue)(yue)上(shang)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬；地下害(hai)(hai)(hai)蟲(chong)：中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)150萬(wan)(wan)(wan)畝(mu)，發(fa)(fa)(fa)(fa)生(sheng)盛(sheng)期在(zai)8月(yue)(yue)下旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬。大豆造橋蟲(chong)偏輕發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)120萬(wan)(wan)(wan)畝(mu)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期在(zai)7月(yue)(yue)下旬至(zhi)(zhi)8月(yue)(yue)下旬；豆天(tian)蛾(e)偏輕發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)100萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，為(wei)(wei)害(hai)(hai)(hai)盛(sheng)期在(zai)8月(yue)(yue)上(shang)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬；大豆葉斑病中(zhong)度(du)發(fa)(fa)(fa)(fa)生(sheng)，周口(kou)偏重發(fa)(fa)(fa)(fa)生(sheng)，發(fa)(fa)(fa)(fa)生(sheng)面(mian)(mian)(mian)積(ji)150萬(wan)(wan)(wan)畝(mu)左右(you)(you)(you)，危害(hai)(hai)(hai)盛(sheng)期在(zai)8月(yue)(yue)中(zhong)旬至(zhi)(zhi)9月(yue)(yue)上(shang)旬。
二、紅薯病蟲害
預計紅薯主要病蟲(chong)害總(zong)體偏(pian)輕發生(sheng)(sheng)(sheng)，發生(sheng)(sheng)(sheng)面(mian)積(ji)(ji)(ji)300萬(wan)畝次左右(you)，其中甘(gan)(gan)薯腐爛(lan)莖線蟲(chong)病中度發生(sheng)(sheng)(sheng)，發生(sheng)(sheng)(sheng)面(mian)積(ji)(ji)(ji)40萬(wan)畝左右(you)；甘(gan)(gan)薯天蛾偏(pian)輕發生(sheng)(sheng)(sheng)，發生(sheng)(sheng)(sheng)面(mian)積(ji)(ji)(ji)30萬(wan)畝左右(you)；甜菜(cai)夜蛾偏(pian)輕發生(sheng)(sheng)(sheng)，發生(sheng)(sheng)(sheng)面(mian)積(ji)(ji)(ji)50萬(wan)畝左右(you);甘(gan)(gan)薯麥蛾偏(pian)輕發生(sheng)(sheng)(sheng)，面(mian)積(ji)(ji)(ji)30萬(wan)畝。
三(san)、芝麻病(bing)蟲害
預計芝麻(ma)主要病蟲(chong)害(hai)總(zong)體偏(pian)(pian)(pian)(pian)重(zhong)發(fa)生，以(yi)病害(hai)為(wei)主，發(fa)生面(mian)積(ji)(ji)300萬(wan)畝次左(zuo)右(you)(you)。其中芝麻(ma)疫病偏(pian)(pian)(pian)(pian)重(zhong)發(fa)生，發(fa)生面(mian)積(ji)(ji)100萬(wan)畝左(zuo)右(you)(you)；芝麻(ma)莖點枯(ku)(ku)病偏(pian)(pian)(pian)(pian)重(zhong)發(fa)生，發(fa)生面(mian)積(ji)(ji)60萬(wan)畝左(zuo)右(you)(you)；枯(ku)(ku)萎病偏(pian)(pian)(pian)(pian)重(zhong)發(fa)生，發(fa)生面(mian)積(ji)(ji)30萬(wan)畝；芝麻(ma)天蛾、芝麻(ma)蚜蟲(chong)、甜菜夜(ye)蛾等害(hai)蟲(chong)偏(pian)(pian)(pian)(pian)輕發(fa)生。
