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Near infrared reflectance. A new approach for evaluating drought resistance in durum wheat

By: Flagella, Z.
Contributor(s): Campanile, R.G [coaut.] | Di Fonzo, N [coaut.] | Pastore, D [coaut.].
Material type: materialTypeLabelArticlePublisher: 1992ISSN: 0394-9257.Other title: Riflettanza nell' infrarosso vicino. Un nuovo approccio per valutare la resistenza alla siccita' del grano duro.Subject(s): Analytical methods | Drought resistance | Irrigation rates | Leaves | Optical properties | Triticum durum | Varieties | Water holding capacity | Water uptake | Genotypes AGROVOCDDC classification: 93-097233 In: Journal of Genetics and Breeding v. 46, no. 1, p. 21-2893-097233Summary: Leaf reflectance at 1940 nm (a water absorption peak), expressed as apparent absorbance (A.A.: log standard reflectance/sample reflectance), was used as a drought tolerance test (I.R. test) in durum wheat. Seven genotypes grown in the field and subjected to two different water regimes (irrigated and non irrigated) were tested in order to evaluate the influence of leaf water status and of the phenological stage on the I.R. test, the best operative conditions for I.R. test applications and its predictive capacity when applied at flowering stage on (a) excised fresh flag leaves, if drought tolerance occur in the field, (b) dehydrated flag leaves (at 25 deg.Collection: AGRIS Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

AGRIS Collection 93-097233 (Browse shelf) 1 Available 93-097233
Total holds: 0

5 tables; 2 graphs; 23 ref. Summary (En)

Peer-review: No - Open Access: No

Leaf reflectance at 1940 nm (a water absorption peak), expressed as apparent absorbance (A.A.: log standard reflectance/sample reflectance), was used as a drought tolerance test (I.R. test) in durum wheat. Seven genotypes grown in the field and subjected to two different water regimes (irrigated and non irrigated) were tested in order to evaluate the influence of leaf water status and of the phenological stage on the I.R. test, the best operative conditions for I.R. test applications and its predictive capacity when applied at flowering stage on (a) excised fresh flag leaves, if drought tolerance occur in the field, (b) dehydrated flag leaves (at 25 deg.

English

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