|Table of Contents|

EffectsofPaintingKT-30EmulsiononBudsinDifferentTimeon BranchingandGrowthofYoungAppleTrees(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年12期
Page:
9-12
Research Field:
Publishing date:

Info

Title:
EffectsofPaintingKT-30EmulsiononBudsinDifferentTimeon BranchingandGrowthofYoungAppleTrees
Author(s):
MENGYun; MAShao-feng; SHAOJian-zhu; SUNJian-she; QIAOXue-hua; MABao-kun
CollegeofHorticulture，AgriculturalUniversityofHebei，Baoding，Hebei071001
Keywords:
apple; KT-30; germinationrateofbud; branchingability; lateralbranch; training
PACS:
S661.1
DOI:
-
Abstract:
Basedonpainting100mg/kgKT-30emulsionondifferentbudsfrom30cmto60cmdownthetopofcentralshootdecapitatedinlastwinterfromApriltoJuly，effectsofpaintingKT-30emulsiononbudsindifferenttimeonbranchingandgrowthofyoungappletreeswerestudiedwithtwo-year-old‘RedFuji’appletreesondwarfinginter-rootstocks.Theresultsshowedthatnaturalgerminationrateofbudsofthecontrolfrom30cmto60cmdownthetopofcentralshootdecapitatedinlastwinterinearlierApril，laterApril，May，JuneandJulywas43.7%，6.07%，0%，0%and10.75%onaveragerespectively，andbudstreatedbyKT-30emulsiongerminatedontheseventhday，moreover，thegerminationrateofbudstreatedfromApril5thtoJuly5thwasallhigherthan80%，thegerminationrateofbudstreatedonMay25thwas100%whichwassignificantlyhigherthanthattreatedinothertime.Besides，budstreatedinAprilandJulywithlowbranchingabilityalmostgrewtospurs，thebranchingabilitywas0%whichwasthelowestwhenbudsweretreatedonJuly25th，andespeciallybecauseoflessgrowthtime，allthebudstreatedinJulygrewtospursormediumbrancheswithbadmaturity.However，budstreatedonMay25thandJuly10thhadstrongbranchingabilitywhichwas66.0%and57.6%onaverage，andtheaveragelengthofsuperlongbrancheswithstronggrowthvigorandgoodmaturitywas66.7cmand91.1cmrespectively.Theratioofbranchdiametertotrunkdiametershowedagraduallydecreasingtrendasthetreatmenttimedelayed，whichwas0.43，0.40，0.38and0.28onaverageinApril，May，JuneandJulyrespectively.

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Last Update: 2014-09-18