【摘要】 在全面调查的基础上,于2003～2005年对豫西地区苹果黑星病的药剂防治技术进行了研究。结果表明:对该病的防治适期,为初花期至盛花期,用70%安泰生1 000倍液、70%杀灭尔700倍液、40%杜邦福星8 000倍液,每7 d防治1次,连防3次;对苹果黑星病有较好的防效。更多还原

【Abstract】 Results showed: ①the proper control period of apple Venturia inaequalis were early flowering and flowering state;②chemical control were used once every 7 days,and continuously for 3 times;③effect on apple Venturia inaequalis was better when using Antracol 70% WP 1 000X,Thiophanate-methyi 70%WP 700 X and Dubang Ful-thane 40% WP 8 000 X.更多还原