Occurrence Regularity and Control of Major Diseases and Pests of Ratooning Rice in Southern Henan Province
ZHAO Haiying
ZHONG Sizhi
LIU Xiangchen
FENG Daqing
YU Guilong
GU Mengxuan
LI Gexing
LYU Wei
FU Qiang
Abstract：In recent years,the secondary diseases and pests has caused serious threats to ratooning rice in southern Henan Province.In the paper,the occurrence regularity of major diseases and pests of ratooning rice in southern Henan Province was summarized including rice seedling blight,rice sheath blight,rice blast,lissorhoptrus oryzophilus,chilo supperssalis walker and cnaphalocrocis medinalis guenee.Each county or district has varying degrees of occurrence.Especially rice seedling blight has become the main obstacle restricting the development of ratooning rice in southern Henan Province.The occurrence degree is extremely mild or almost non-existent in sesamia inferens walker,rice planthopper,fusarium fujikuroi Nirenberg and rice false smut.The comprehensive green prevention and control measures were proposed to strengthen agricultural control,attache importance to physical control,strengthen biological control and use chemical control,in order to provide technical support for ratooning rice in southern Henan Province.
Keywords：Southern Henan ProvinceRatooning riceOccurrence regularityControl suggestions
Publication Date：2025-04-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：8( 8-14,54 )