近来,不少菜农咨询在番茄喷药或喷肥后出现了一些问题。经调查发现,无论是番茄施药后植株嫩茎黄化、花穗枯干,还是喷施叶面肥后产生的叶片褪绿斑或疑似黄化曲叶病毒症状,实际上是产生了肥害或药害。经分析发现,产生药害及肥害均与喷药或喷微肥时的棚室高温(在30℃以上)环境条件分不开。随着喷施时间 Recently, many farmers advice in the tomato spray or fertilizer after a number of problems. The investigation found that both tomato plant stems after etiolation, withered flower stems, or leaf foliar spray foliar green leaf spot or suspected yellow leaf curl virus symptoms, in fact, is fat or Injury. The analysis found that produce phytotoxicity and fat infestation are spraying or spraying fertilizer when the greenhouse high temperature (above 30 ℃) inseparable from the environmental conditions. With spraying time