Abstract
The performance of 36 hybrids of Triticum durum was studied in relation to that of standard recommended macaroni cultivar ‘Raj 911.’ Eight crosses exhibited highly significant higher yield over ‘Raj 911’ ranging upto 29 ⋅ 29% heterotic response, in ‘Meghdoot × Grando’ involving Indian × Mexican derivatives. Number of effective tillers per plant, spike length and grain weight per spike were found to be major contributors for heterotic yield. The ranking of the best crosses on the basis of heterotic response and s.c.a. effects were different. The selection of the crosses based on heterotic response as against s.c.a. effects, has been realized. The best crosses, in general, involved additive × dominance or dominance × dominance types of epistatic gene interactions.
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Claims 4
Claim · model-written summary
Eight wheat crosses had highly significantly higher yield than Raj 911, reaching 29 ⋅ 29% heterosis in Meghdoot × Grando.
- Taxon
- Triticum durum
Triticum turgidum subsp. durume1 - Material
- Meghdoot × Grandoe0
- Outcome
- yielde0
- Direction
- highere0
- Value
- 29 ⋅ 29%e0
- Comparator
- Raj 911e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eight crosses exhibited highly significant higher yield over ‘Raj 911’ ranging upto 29 ⋅ 29% heterotic response, in ‘Meghdoot × Grando’”
e1“36 hybrids of Triticum durum”
Claim · model-written summary
Effective tillers per plant, spike length and grain weight per spike were major contributors to heterotic yield.
- Taxon
- Triticum durumTriticum turgidum subsp. durume1
- Organ / stage
- spikee0
- Outcome
- heterotic yielde0
- Qualifier
- major contributorse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of effective tillers per plant, spike length and grain weight per spike were found to be major contributors for heterotic yield”
e1“36 hybrids of Triticum durum”
Claim · model-written summary
Rankings of the best crosses differed between heterotic response and specific combining ability effects.
- Taxon
- Triticum durumTriticum turgidum subsp. durume1
- Outcome
- ranking of the best crossese0
- Direction
- differente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The ranking of the best crosses on the basis of heterotic response and s.c.a. effects were different”
e1“36 hybrids of Triticum durum”
Claim · model-written summary
The best crosses generally involved additive by dominance or dominance by dominance epistatic interactions.
- Taxon
- Triticum durumTriticum turgidum subsp. durume1
- Outcome
- additive × dominance or dominance × dominance types of epistatic gene interactionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best crosses, in general, involved additive × dominance or dominance × dominance types of epistatic gene interactions”
e1“36 hybrids of Triticum durum”