Allelopathic activity of Mexican sunflower [Tithonia diversifolia (Hemsl.)A. Gray]in soil under natural field conditions and different moisture conditions (Record no. 46615)

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fixed length control field 02285nam a2200241Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625153852.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-12408
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 250602s9999 xx |||||s2 |||| ||und|d
245 10 - TITLE STATEMENT
Title Allelopathic activity of Mexican sunflower [Tithonia diversifolia (Hemsl.)A. Gray]in soil under natural field conditions and different moisture conditions
490 0# - SERIES STATEMENT
Volume/sequential designation Weed Biology and Management, 1(2), p.115-119, 2001
520 3# - SUMMARY, ETC.
Summary, etc. The allelopathic activity of Mexican sunflower [Tithonia diversifolia (Hemsl.)A. Gray]in soil under natural field conditions and the effect of water stress on the growth and allelopathic activity of this plant were investigated. Seed germination, shoot growth and root growth of tested plant species in soil collected from a field where Mexican sunflower had been grown for 5 years were less than those in soil from an area without the plant. Growth of young leaves, mature leaves, senescent leaves, stem and roots of Mexican sunflower was reduced with decrease in soil moisture level. The allelopathic activity of water extracts (per dry weight of starting material)from each part of the plants grown at low soil moisture levels was greater than that of the water extracts from the same part of the plants grown at high soil moisture levels. The allelopathic activity was found in the soil from the pots previously planted with Mexican sunflower to a similar extent (per plant)at different soil moisture levels. These results suggested that, in the field, under water stress conditions, the growth of Mexican sunflower was reduced but the plants contained a greater amount of allelopathic substance(s)per dry weight than in the absence of water stress. It was considered that allelopathic activity of Mexican sunflower in soil was maintained to a similar extent under various soil moisture conditions in natural fields.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ALLELOPATHY
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element MEXICAN SUNFLOWER
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SOIL MOISTURE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element TITHONIA DIVERSIFOLIA
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Tongma, S.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Kobayashi, K.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Usui, K.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1pobsnldSgZsr-mFKfsZu0wJjjac4qqpE/view?usp=drivesdk">https://drive.google.com/file/d/1pobsnldSgZsr-mFKfsZu0wJjjac4qqpE/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-12408 25.06.2025 25.06.2025 Documentos solicitados