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1、茂县脆李在干旱半干旱冷凉生态型区生长结果习性与经济性状研究张雅新1，吕秀兰1，何富全2，吴小华1，王婷1，陈洪强1，苟俊3（1四川农业大学，雅安，625014；2四川茂县农业局；3四川阿坝藏族羌族自治州农业局）摘要：茂县脆李在冷凉干旱生态型区的茂县、理县和黑水三地3月上中旬萌芽，花期3月下旬至四月上中旬开花，花期10－15d，果实成熟期8月中旬－9月上旬；脆李短枝、中枝所占比例较大，一般占70%，以抽发一、二次枝为主，所占比例高达90.6%，枝梢生长4月上旬开始至7月上旬止，新梢快速生长期为4月底至6月上旬；花序坐果率大于88%，花朵坐果率大于50%，二者三地无显著差异；果实生长动态
2、曲线为双S型，5月上中旬为果实第一次迅速膨大期，6月中下旬至7月上中旬为果实第二次迅速膨大期，果实发育期145天左右；第四年株产15kg、亩产825kg，第五年进入盛果初期，株产30kg、亩产1650kg以上，单果重均大于46g，可食率高于97%，可溶性固形物均大于14%，总糖均大于9%，总酸含量0.820%-0.868%，三地均无显著差异；Vc含量3.19%-4.83%，果实硬度6.9%-13.2%Kg/cm2，β-胡萝卜素9.88-11.6mg/kg，铁1.85-4.82mg/kg，表现出良好的生态适应性，是一个优良的中晚熟品种。关键词：茂县脆李；冷凉生态型区；生长结果；经济性状
3、StudiesontheGrowthFruitingHabitandEconomicTraitsofMaoxianPluminAridandSemi-AridCoolandColdEcotypeDistrictZhangYaxin1,LvXiulan1,HeFuquan2,WuXiaohua1,WangTing1,ChenHongqiang1,GouJun3(1SichuanAgriculturalUniversity,Ya`an,625014,China;2SichuanMaoxianAgricultureBureau;3SichuanAbaTibetanandQiangAuton
4、omousPrefectureAgricultureBureau)Abstract:MaoxianplumsproutsinearlyandmiddlemarchincoolandcoldecotypedistrictinMaoxian,LixianandHeishui,floweringfromlateMarchtoearlyandmiddleAprilandfloweringregulaionis10-15days,fruitmaturityfrommid-AugusttoearlySeptember;spursandbranchesofplumtakeahigherpercen
5、tage,usuallyaccountsfor70%,mainlymadebypumpingoneortwobranches,theproportionisupto90.6%,shootgrowthinearlyApriluntilearlyJuly,newshootfastgrowingbytheendofApriltoearlyJun;fruitingrateoftheinflorescencesismorethan88%,fruitingrateofflowersismorethan50%,therewasnosignificantdifferencebetweenthethr
6、eeplaces;fruitgrowthdynamicsisadoubles-curve,theFirstfruitrapidexpansionperiodisinearlyandmiddleMay,theSecondperiodisfrommiddleandlateMarchtoearlyandmiddleJuly,fruitdevelopmentperiodIsabout145days;strainproductionIs15kgintheFourthyear,productionofperacreoflandis825kg,theearlyperiodofrichfruitis
7、theFifthyear,strainproductionis30kgandproductionofperacreoflandisabove1650kg,fruitweightwasmorethan46g,therateofedibleismorethan97%,solublesolidsIsgreaterthan14%,totalsugarwasmorethan9%,totalacidcontentis0.820%-0.868%,therewerenos
