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根系是果树重要的组成部分,具有固定树体、吸收、贮藏和合成营养物质等主要功能,并兼有繁殖、更新的机能。根系的生长发育、数量和质量及其活动状况与地上部分关系密切。因此,必须了解果树根系结构及生长发育的规律,为果树栽培管理提供科学依据。 本文就南京地区桃树根系生长发育规律及其在土壤中的分布、与地上部分及温度的生长关系等,作一初报。 材料与方法 一、供试品种及土壤状况 供试品种为九年生黄肉桃金橙、金丰。株行距为5×4米。树高2.2米左右,冠幅
The root system is an important part of the fruit tree, with the main functions of fixing the tree, absorbing, storing and synthesizing nutrients, etc., and has the function of breeding and updating. The growth and development of the root system, quantity and quality and its activities are closely related to aboveground parts. Therefore, we must understand the root system of fruit trees and growth and development of the law for the management of fruit trees provide a scientific basis. In this paper, the peach root growth and development in Nanjing and its distribution in the soil, and the growth of the relationship between the ground and the temperature, for a preliminary report. Materials and methods First, the test varieties and soil conditions for the test varieties for nine years yellow peach gold orange, Jinfeng. Line spacing of 5 × 4 meters. Tree height of 2.2 meters, crown width