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1.裂(lie)果(guo)屬(shu)生(sheng)理(li)病(bing)害(hai)，一(yi)般(ban)發(fa)生(sheng)於(yu)果(guo)實(shi)芽(ya)二(er)次(ci)膨(peng)大(da)期(qi)。此(ci)時(shi)果(guo)實(shi)進(jin)入(ru)快(kuai)速(su)膨(peng)大(da)期(qi)，果(guo)肉(rou)的(de)膨(peng)大(da)往(wang)往(wang)快(kuai)於(yu)果(guo)實(shi)的(de)生(sheng)長(chang)，致(zhi)使(shi)果(guo)皮(pi)開(kai)裂(lie)。尤(you)其(qi)是(shi)久(jiu)旱(han)遇(yu)暴(bao)雨(yu)，果(guo)樹(shu)吸(xi)收(shou)大(da)量(liang)水(shui)分(fen)，果(guo)實(shi)迅(xun)速(su)膨(peng)大(da)，將(jiang)果(guo)皮(pi)脹(zhang)開(kai)，形(xing)成(cheng)裂(lie)果(guo)。所(suo)以(yi)桃(tao)樹(shu)的(de)水(shui)分(fen)管(guan)理(li)一(yi)定(ding)要(yao)注(zhu)意(yi)不(bu)可(ke)使(shi)土(tu)壤(rang)過(guo)於(yu)幹(gan)旱(han)，在(zai)果(guo)實(shi)膨(peng)大(da)期(qi)，一(yi)直(zhi)保(bao)持(chi)合(he)適(shi)的(de)土(tu)壤(rang)墒(shang)情(qing)，使(shi)果(guo)實(shi)的(de)膨(peng)大(da)平(ping)穩(wen)進(jin)行(xing)。在(zai)久(jiu)旱(han)情(qing)況(kuang)下(xia)，不(bu)可(ke)猛(meng)澆(jiao)大(da)水(shui)。暴(bao)雨(yu)後(hou)要(yao)及(ji)時(shi)排(pai)水(shui)，鋤(chu)劃(hua)晾(liang)墒(shang)，以(yi)減(jian)少(shao)水(shui)分(fen)的(de)供(gong)應(ying)過(guo)快(kuai)過(guo)量(liang)。
2.桃果後期沿腹縫線變軟腐爛也屬於生理病害。從缺素來講，主要是缺鈣，桃樹對鈣特別敏感，缺鈣不但出現腹線處變軟、fulan，jiuzhenggetaozilaijiangyingduyejiangdi，kouweibianhuai，naichulixiajiang。gaidexishouyouliangzhongfangshi，yishigenxishou，yishiyemianxishou。jinnianlaihaoxieguonongdaliangshiyongweifushudeyoujifei，youqishijifenzhilei。youjifeiweijingfajiao，shiruturangyihou，zaifajiaoguochengzhongchanshengdaliangreliang，jiangnendexishougenshaohuai，dadayingxianglegendexishounengli，shishutibianruozaoshuai，shenzhisiwang，yeyingxianglegaidexishou。yemianbugaixiaoguoyibanyebutaimingxian。zheyuyemianshiyongdegaifeipinzhongguanxihenda，yinweigaizaizuowutineiyidongxinghenxiao。jianyiyemianbugaizuihaoxuanzeganluchunaohegai、荷he皇huang螯ao合he鈣gai或huo果guo蔬shu鈣gai等deng，這zhe些xie鈣gai肥fei在zai樹shu體ti內nei能neng上shang下xia左zuo右you傳chuan導dao，使shi葉ye麵mian上shang的de鈣gai能neng傳chuan導dao到dao果guo實shi上shang去qu，增zeng加jia了le鈣gai的de使shi用yong效xiao果guo。另ling外wai，裂lie果guo與yu缺que鈣gai也ye有you一yi定ding的de關guan係xi，增zeng加jia鈣gai肥fei能neng使shi果guo皮pi變bian硬ying，增zeng加jia韌ren性xing，對dui防fang止zhi裂lie果guo也ye有you一yi定ding的de作zuo用yong。
