CPPU与GA_(4+7)及2HGA_5不同浓度对无核葡萄品种果实生长的影响

The Effect of CPPU,GA 4+7 and 2HGA 5 on the Berry Growth of Seedless Grape Varieties

ＣＰＰＵ与ＧＡ４＋７及２ＨＧＡ５采用６种不同浓度，在花后１４ｄ处理维纳斯（Ｖｅｎｕｓ）、希姆劳特（Ｈｉｍｒｏｄ）和维娜莎（Ｖａｎｅｓｓａ）三个早熟无核葡萄品种。各处理都显著地增大每个品种的果实。其中２５ｍｇ／ＬＧＡ４＋７＋２０ｍｇ／ＬＣＰＰＵ、１２．５ｍｇ／Ｌ２ＨＧＡ５＋１０ｍｇ／ＬＣＰＰＵ，２５ｍｇ／Ｌ２ＨＧＡ５＋２０ｍｇ／ＬＣＰＰＵ，分别处理维纳斯、希姆劳特和维娜莎增大果实效果最明显，分别为对照的１６５．８％、１６４．２％和１４５．２％。各处理对维纳斯的坐果率没有影响，而２０ｍｇ／ＬＣＰ－ＰＵ和１２．５ｍｇ／Ｌ２ＨＧＡ５＋１０ｍｇ／ＬＣＰＰＵ处理能显著提高希姆劳特的坐果率。各种处理对维纳斯、希姆劳特果实可溶性固形物含量都显著下降，但各处理对维娜莎果实可溶性固形物不但没有下降，２５ｍｇ／ＬＧＡ４＋７＋２０ｍｇ／ＬＣＰＰＵ、１２．５ｍｇ／Ｌ２ＨＧＡ５＋１０ｍｇ／ＬＣＰＰＵ两处理反而显著的增加，为对照的１１２．８％和１０９．５％。

Six treatments of CPPU,GA 4+7 and 2HGA 5 on Venus,Himrod and Vanessa grapes,the seedless grapes,in 14 days of blooming stage Every treatment could increase berry size The best effects of them were 25mg/LGA 4+7 +20 mg/L CPPU to Venus, 12 5mg/L 2HGA 5+10mg/LCPPU to Himrod and 25mg/L2HGA 5+20mg/LCPPU to Vanessa The results of increasing berry size were 165 8%、164 2% and 145 2% of that in the contral,respectively The fruit setting rate of Venus was no difference with different treatment But the treatments of 20mg/LCPPU and 12 5mg/L2HGA 5+10mg/LCPPU could increase the fruit setting rate of Himrod The berry TSS of venus and Himrod was decreased marked by with every treatment But the berry TSS of Vanessa was no deereased The treatments of 25mg/L GA 4+7 +20mg/LCPPU and 12 5mg/L2HGA 5+10mg/LCPPU could increase the berry TSS of Vanessa,they were 112 8% and 109 5% of that in the control,respectively