早春光照強度高,棚內溫度一旦控製不合理就會造成西紅柿植株生長水分、yangfengongyingbujunyunhuobuwending,youqishiganhanshi,shuifengongyingshichang,xihongshiyepianzhengtengxiaohaosuoxudedaliangshuifenyuguoshijinxingzhengduo,huobeiyepianduozou,tebieshiguorouneideshuifenbeiduozou,congerdaozhishengchangshouzu。zaijiushixihongshibunengcongturangzhongxishouzugoudegaihepeng,shizhizhuneibuyingyangshitiao,guorouzuzhixibaoshengliwenluan,shiqushuifenkongzhinengli,zhishiguoroufashengshengchangshouzuxianxiang。
防治方法:⑴適量及時地灌溉,尤其是結果中後期更應注意水分均衡供應,灌水應在上午的8-11點進行。⑵選用抗病品種。⑶中午陽光強烈時可適當覆蓋遮陽網。⑷提倡施用有機活性肥,或生物有機複合肥,采用配方施肥,葉麵補充鈣肥。噴施氨基酸鈣液200-300倍加愛多收。⑸不間斷地補充鈣肥同時用臍腐靈15天1次,共防3次。
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