Page 13 - 《华中农业大学学报》2020年第6期

第 ６ 期 张舒 等:不同化肥农药减施组合对水稻主要病虫害发生及产量的影响 ７

Effectsofreductioncombinationsoffertilizerandp esticide
onincidenceofmainp estsanddiseasesandy ieldinrice

１
ZHANGShu , ZHAO Hua , LYULian g CHANGXian gq ian ,
２
,
１
１
１ １ ２ ２
YANGXiaolin , YANGLi , LU Dian y ou , CHEN Min g xue
１．Ministr yo fA g ricultureandRuralA ff airsKe yLaborator yo fInte g ratedPestMana g ement
Cro p sinCentralChina / HubeiProvinceKe yLaborator yo fCro pDisease ,
InsectPestsand WeedsControl / Institute f orPlantProtection& SoilFertilizer ,
HubeiAcadem yo fA g riculturalSciences , Wuhan４３００６４ , China ;
,
２．TheCentero fA g riculturalTechnolo gyExtensiono f Nanzhan gCount y Xian gy an gCit y ,
HubeiProvince , Nanzhan g４４１５００ , China

Abstract Inordertoex p lorethea pp licationoffertilizerandp esticidereduction , ex p erimentswith
twofactorsandthreelevelswereconductedtocom p aretheeffectsofdifferentfertilizerandp esticidereＧ
ductioncombinationsontheincidenceofmaindiseasesandp estsandy ieldinrice．Theresultsshowed
thatthereductionoffertilizertendedtoreducetheincidenceofdiseaseandinsects , whereasthereduction
of p esticideshadatendenc y toincreasetheincidenceofdiseaseandinsects．Theincidenceofricesheath
bli g ht , fourthg enerationricep lantho pp er , andriceleafborerwassi g nificantl yaffectedb y thereduction
offertilizer．B ycontrast , theincidenceofricesheathbli g ht , thirdＧandfourthＧ g enerationricep lantho p Ｇ
p er , andriceleafborerwassi g nificantl yaffectedb y thereductionof p esticide．However , bothreduction
offertilizerandp esticidehadnosi g nificanteffectontheincidenceofriceblast , ricefalsesmut , andrice
borer．Thereductionoffertilizerwitha pp roximatel y３０％ si g nificantl yaffectedricey ield , leadin g tothe
harvest y ieldreductionof１０．２９％．Com p aredwiththecontroltreatment , thereductionoffertilizerwith
lessthan２０％increasedtheharvest y ieldof g reenadditivealternativetreatmentandbiolo g ical p esticide
alternativetreatment０．３８％ and２．４９％ , res p ectivel y ．Itisindicatedthatbiolo g icalp esticideandg reen
additivealternativetreatmentcanbeusedastechnicalmeasuresforreducin g thenumberofchemical p esＧ
ticides．
Ke y words rice ; esticideandfertilizerreduction ; reenadditive ; reendevelo p ment ; estsand
g
p
g
p
diseases ; controleffect ; ield ; esticidereductionanddama g econtrol
y
p
( 责任编辑: 张志钰)