不同前茬对线辣椒生长生理和品质的影响  

Effects of different proceding crops on growth physiology and quality of hot pepper

作　　者：贾文燕[1] 梁银丽[1,2] 白彩虹[1] 朱艳丽[3] 彭强[4] 林兴军[2] 陈晨[3] 

机构地区：[1]西北农林科技大学资源环境学院,陕西杨凌712100 [2]中国科学院水利部水土保持研究所,陕西杨凌712100 [3]西北农林科技大学生命科学学院,陕西杨凌712100 [4]西北农林科技大学林学院,陕西杨凌712100

出　　处：《干旱地区农业研究》2011年第1期151-156,共6页Agricultural Research in the Arid Areas

基　　金：中国科学院重要方向项目(KZCX2-YW-443-3);中国科学院西部行动项目(KZCX2-XB2-05-01);中国科学院安塞站资助

摘　　要：通过对不同前茬作物下线辣椒植株生长、叶片酶活性和品质及其相关性的研究,为线辣椒合理种植模式提供科学依据。试验于2007年10月~2009年9月采用小区调查取样和室内实验相结合的方法,测定了不同轮作制度下线辣椒植株形态指标、叶片酶活性、产量和果实品质。结果表明：莴笋茬和大蒜茬均显著提高了线辣椒叶面积和叶片保护酶活性,降低了叶片丙二醛（MDA）含量,小麦茬显著提高了线辣椒果实维生素C（Vc）含量;与莴笋和大蒜茬相比,小麦茬线辣椒果实产量较低;线辣椒叶片MDA含量与果实Vc含量之间呈正相关,而与果实含水量之间呈极显著负相关,叶片过氧化氢酶（CAT）活性与果实Vc含量之间呈显著负相关。得出,在本试验条件下大蒜和莴笋均为线辣椒较适宜的前茬作物。To supply scientific basis for the proper planting mode of hot pepper,an experiment was conducted in 2007-10～2009-09 to study the growth,enzyme activity of leaves,fruit quality and the correlation between enzyme activity and quality of hot pepper with different proceding crops.The test determined the morphology,enzyme activity,yield and quality of peper fruit with the method of the combination of the field investigation and indoor experiment.The results showed that：（1） Both the asparagus lettuce stubble and garlic stubble not only increased sharply the area and enzyme activity of leaves,but also decreased the malondialdehyde（MDA） content.The wheat stubble increased significantly the content of vitamin C（Vc）.（2） The yield of hot pepper in the wheat stubble treatment was lower than the asparagus lettuce stubble and garlic stubble treatments.（3） There was remarkably positive correlation between MDA of leaves and Vc content of fruit,but significantly negative correlation between MDA and water content of fruit.There was remarkably negative correlation between catalase（CAT） activity of leaves and Vc content of fruit.Both the garlic and asparagus lettuce were proper proceding crops for hot pepper in this experiment.

关 键 词：线辣椒 前茬作物 形态指标 酶活性 品质 相关性 

分 类 号：S641.3[农业科学—蔬菜学]