不同負(fù)載量對(duì)桃樹光合作用、生長(zhǎng)發(fā)育以及果實(shí)品質(zhì)的影響.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文不同負(fù)載量對(duì)桃樹光合作用、生長(zhǎng)發(fā)育以及果實(shí)品質(zhì)的影響姓名：康艷青申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：果樹學(xué)指導(dǎo)教師：劉國(guó)杰李紹華20060501Abs仃actIntheseexperiments，twocultivarsofpeach(‘Okube’，‘Bayuecui’)wasstudiedwhichⅢsixyearoldnlefruitnmbcrswerethinnedaccordingtothreetreatments

2、：high，middleandlowcroploadAnothorcroploadtreatmentwasondifferentbranchesof‘Okubo’peachwithonefruitortwofruitsLeafphotosyntheticratewasmonitoredforthedifferentgrowthperiodsThetotalsolublesolids，individualfruitweight，yield

3、，thenumberofthewatersproutandtheincrementofthetrunkcircumferenceandbOughscircumferenceweremeasuredwhenthefruitwerepickedTheresultsshowedthat，耽ephotosyntheticratewassignificantlyaffectedbythecroploadThereweresignificantly

4、positivecorrelationsbetweenPnandGsAndsodothePnandEThePnofOkubepeakedwhenThfwas38℃，andthesharplydecreasedwhen1乙rcontinuetoincrease。ItissuggestedthatcriticalTl％fofOkubowas38℃Theyieldandthefruitqualitywelqesignificantlyaffe

5、ctedbythecroploadWhenthecroploadwasincreased，theyieldalsoigcleascdbutthefruitqualitydecreased，theeconomiccoefficientislownIegrowthofthepeachtreeshavesomechangesButtherewasnosigniflcandydifferencesbetweenthetreatmentsbenu

6、tritionstoreof2yenrbrancheshavenosignificantlydifferencesofthetwovarietiesThereweresignificantlydifferencesof1yearbranchesbetweenthehighcroploadandtllelowcropIoadSoitisnecessarytofertilizeandwaterinautumnSoIllatthetreesh

7、avegoodflowerinthenextyearThefruitqualityandtherenovateabilitywereaffectedbythebran【chazimuthandletlgthThebestbranchwasreelinate35—60cmlongwithonefruitSointhepruningweshouldsavemorethesebranchesKeywords：Peach；Cropload；Ph