Responses of different peach stock types for persistent drought and evaluation method of drought resistance of different peach stock types

An evaluation method and technology of drought resistance, applied in the fields of application, cultivation, agriculture, etc., can solve problems such as differences in drought resistance, and achieve the effect of avoiding extensiveness

Active Publication Date: 2013-08-14
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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Problems solved by technology

There is no systematic report on the difference in drought resistance of different rootstock types of peach

Method used

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  • Responses of different peach stock types for persistent drought and evaluation method of drought resistance of different peach stock types
  • Responses of different peach stock types for persistent drought and evaluation method of drought resistance of different peach stock types
  • Responses of different peach stock types for persistent drought and evaluation method of drought resistance of different peach stock types

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Embodiment Construction

[0023] The method of the present invention will be further described in detail below in conjunction with specific embodiments.

[0024] Materials and Methods

[0025] Test materials and handling

[0026] The experiment was carried out in the Peach Experimental Garden of Jiangsu Academy of Agricultural Sciences in 2010. The test materials are 1a raw peaches, Maotao No. 2, Shantao, Tsukuba No. 5, Lemag, GF305 seedlings and GF43, GF1869 plum tissue culture seedlings with the same growth. In April, the materials are moved into pots, 1 plant per pot, and the inner diameter of the pot is 20cm, 17cm deep, the potting soil is ordinary garden soil, the amount of soil in each pot is the same, and it is managed routinely. In August, the potted water control method was used for drought stress treatment. In the experiment, there were 2 treatments of normal watering (control) and continuous drought stress, 30 pots per treatment for each variety, randomized block design, and 3 repetitions...

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Abstract

The invention discloses responses of different peach stock types for persistent drought and an evaluation method of drought resistance of different peach stock types. The evaluation method includes that drought resisting coefficients of four physical indexes of eight peach stock types are analyzed in a principal component analysis method, the four physical indexes are converted to be three independent comprehensive indexes, the comprehensive index values and corresponding subordinative function values are weighted to obtain a drought resisting comprehensive evaluation value (D), the drought resistance of the eight peach stock types is sequenced according to the D value, and the strong-to-weak drought resistance sequence is GF1869, tsukuba NO.5, GF43, mountain peaches, downy pitches NO.2, downy pitches, GF305 and Memaguard. The evaluation method avoids manual fruit tree stock drought resistance comparison extensiveness by combining responses of fruit tree stock physical indexes for drought.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation, and relates to a response of different peach rootstock types to continuous drought and a drought resistance evaluation method thereof. Background technique [0002] Peach rootstock breeding is currently being studied in North America, South America, Europe, Africa, Australia and Asia. Drought-resistant breeding is a key goal of the peach rootstock global breeding program. The selection and popularization of waterlogged rootstocks are of great significance for peach cultivation. Peach is a perennial woody plant. Reasonable selection of rootstocks is a crucial step in the high-quality and efficient production of peaches. Improper selection of rootstocks will lead to lower plant resistance, affect growth and development, and result. cause heavy losses. [0003] Leaf is the most sensitive organ of plant external morphology to drought stress, and changes in leaf-related physiological ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
Inventor 张斌斌蔡志翔许建兰沈志军俞明亮马瑞娟
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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