茶(cha)園(yuan)病(bing)蟲(chong)的(de)發(fa)生(sheng)和(he)為(wei)害(hai)是(shi)影(ying)響(xiang)茶(cha)樹(shu)產(chan)量(liang)和(he)品(pin)質(zhi)的(de)重(zhong)要(yao)因(yin)素(su),而(er)有(you)機(ji)茶(cha)園(yuan)禁(jin)止(zhi)使(shi)用(yong)一(yi)切(qie)化(hua)學(xue)合(he)成(cheng)的(de)農(nong)藥(yao),如(ru)何(he)利(li)用(yong)茶(cha)樹(shu)自(zi)身(shen)的(de)生(sheng)長(chang)環(huan)境(jing)條(tiao)件(jian),通(tong)過(guo)采(cai)用(yong)農(nong)業(ye)措(cuo)施(shi)、wulicuoshiheshengwufangzhidengfangfa,jianlihelidechashushengchangtixihejiankangdeshengtaihuanjing,tigaochayuanxitongneideziranshengtaitiaokongnengli,congeryizhichayuanbingchonghaidebaofa,zhebujinshiyoujichashengchanguochengzhongdeyigezhongyaojishuhuanjie,yeshiyoujinongyedeyigezhongyaoyuanze。
要yao保bao持chi茶cha園yuan良liang好hao的de生sheng態tai環huan境jing,防fang治zhi茶cha園yuan病bing蟲chong中zhong應ying減jian少shao農nong藥yao的de使shi用yong量liang乃nai至zhi不bu使shi用yong化hua學xue農nong藥yao是shi關guan鍵jian。盡jin管guan茶cha園yuan中zhong有you多duo種zhong病bing蟲chong害hai存cun在zai,但dan通tong常chang隻zhi有you1、2種或2、3種是關鍵性病蟲,它們主要具有以下特點:
①病蟲的為害期與茶樹芽葉生長期同步;
②病蟲對茶樹的為害超過了茶樹的補償能力和忍受限度;
③種群數量經常活動在經濟閾值範圍上下或完全超過。
在整個茶園病蟲防治中,隻要把握關鍵性病蟲的防治,就可以有效地降低由於病蟲為害造成的損失。
yinci,youjichayuandebingchonghaikongzhiyuanlijiushizailejiechayuanzhezhongteshushengtaihuanjingdejichushang,jiyuchangguinongyecunzaidebiduan,youqishishiyongnongyaodezhongzhonghaichu,benzhezunzhongzirandeyuanze,yingyongshengtaixuedejibenfangfa,chongfenfahuiyichashuweizhuti,yichayuanhuanjingweijichudeziranshengtaitiaokongzuoyong,yinongyecuoshiweizhu,fuzhishidangdeshengwu、物理防治技術,並利用有機茶生產標準中允許使用的植物源農藥和礦物源農藥控製茶園病蟲害,從而保證茶樹健康生長。
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