Alfalfa (Medicago sativa L.) seed yield and quality under different forage management systems and irrigation treatments in a Mediterranean environment

Iannucci, Anna; Fonzo, N. di; Martiniello, P.

doi:10.1016/s0378-4290(02)00094-1

Cited by 54 publications

(45 citation statements)

References 11 publications

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“…Path coefficient analysis showed complex interrelations among seed yield components with inflorescence density, pods per inflorescence, seeds per pod, and 1000-seed weight, all important in determining seed yield in lucerne. Most seed yield variation was the direct effect of inflorescence number as reported by Iannucci et al (2002). Seed yield variation in our study was via direct effects of inflorescence number per unit area, number of pods per inflorescence, seed weight per inflorescence, and number of inflorescences per unit area.…”

Section: Discussionsupporting

confidence: 62%

“…Seed size in herbage legumes mainly depends upon genetic factors mentioned by Sengul & Sağsöz (1998). The average seed size decreases because of competition among seeds for food reserves as pointed out by Iannucci et al (2002). Seker & Serin (2004) divided the correlation into a series of direct and indirect effects of seed yield components for seed yield of smooth bromegrass and confirmed that most traits were significantly correlated with seed yield.…”

Section: Discussionmentioning

confidence: 73%

“…Seed yield variation in our study was via direct effects of inflorescence number per unit area, number of pods per inflorescence, seed weight per inflorescence, and number of inflorescences per unit area. On the other hand, number of seeds per inflorescence and plant height had negative direct effects on seed yield, as found by Iannucci et al (2002). However, the negative indirect effect of seed weight on seed yield via inflorescence/m 2 indicated a trend for seed size to decrease as inflorescence density increased.…”

Section: Discussionmentioning

confidence: 82%

“…In other words, path analysis is used when we want to determine the amount of direct and indirect effect of the causal components on the effect component. Iannucci et al (2002) studied lucerne seed yield and quality under different management systems. As in previous studies, plant breeders could find well qualified varieties or certain characteristics by using path analysis at the terminal selection stage of breeding.…”

Section: Introductionmentioning

confidence: 99%

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Using path analysis to determine lucerne (Medicago sativaL.) seed yield and its components

Sengul

2006

New Zealand Journal of Agricultural Research

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Section: Discussionsupporting

confidence: 62%

Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

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Using path analysis to determine lucerne (Medicago sativaL.) seed yield and its components

Sengul

2006

New Zealand Journal of Agricultural Research

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“…It is the main perennial pasture legume in many places in the world such as Australia (Humphries & Auricht 2001), Canada (Lin et al 2007); Italy (Iannucci et al 2002) and the North of America (Huyghe 2003). In Tunisia, the introduction of alfalfa dates to very antique time (Le Houerou 1969).…”

Section: Introductionmentioning

confidence: 99%

Alfalfa nutritive quality as influenced by drought in South-Eastern Oasis of Tunisia

Abid

Mansour

Yahia

et al. 2016

Italian Journal of Animal Science

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Medicago sativa is the main perennial legume in many places in the world such as South-East Tunisian Oases. The widespread use of this species is due to its high adaptability, forage yield potential and to its good quality. Furthermore, the succession of drought years in South-East Tunisian Oases especially in Gabes influenced fodder distribution and digestibility. To a better understanding of the variation of the nutritive value of (Medicago sativa L.) plants, the effect of four drought levels (25%; 50%; 75% and 100% of field capacity) on nutritive quality was investigated for three populations [P1 (Gannouch); P2 (Chenini) and P3 (Tebelbou)] cultivated in these oases. Results showed that drought reduced leaves, shoots and roots dry matter, while this effect was more pronounced for above organs (values reached 1.2 mg) than below organs (values reached 1.8 mg). However, drought decreased phosphor, calcium, magnesium and nitrogen contents, neutral detergent fibre, acid detergent fibre and in acid detergent lignin content for P1 and P2, this stress enhanced potassium uptake, leaves shoots and roots shoots ratios especially for P3, values passed from 1.56 for control treatment to 2.06 for 25% of field capacity. This population seems to be the most resistant to drought by maintaining reduced leaf area and elevated ratios. This result indicates that Medicago sativa succeed to maintain a good nutritive value under stress conditions. To the best of our knowledge, it is important to study the effect of this stress on others varieties to more understand its effect on nutritive value. ARTICLE HISTORY

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Effect of alfalfa substituted with ramie on the expression of apoptotic genes in the gastrointestinal tracts of goats

Liu

Chao

Yang

et al. 2022

Food Science & Nutrition

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The study investigated the effect of alfalfa hay substituted with ramie silage on the expression of apoptotic genes in the gastrointestinal tract of goats. Thirty‐two goats were randomly allocated into four groups, in which the alfalfa was substituted with ramie at 0%, 35%, 75%, and 100% levels, respectively. In the rumen, the mRNA expression of Bax was significantly up‐regulated (p = .0007) when alfalfa was 100% substituted by ramie; the mRNA expression of Bcl‐2/Bax was significantly down‐regulated (p = .02) when alfalfa was 100% substituted by ramie compared with the 75% substituted treatment; the protein expression of Bcl‐xl was significantly down‐regulated (p = .03) when alfalfa was 100% substituted by ramie compared with 35% and 75% substituted treatments, respectively. In the jejunum, the mRNA expression of p53 was significantly up‐regulated (p = .01) when alfalfa was 100% substituted by ramie compared with 0% and 35% substituted treatments; the protein expression of p53 was significantly up‐regulated (p = .001) when alfalfa was 35% substituted by ramie compared with 0% and 75% substituted treatments. However, the activity of Caspase‐3 was not affected by different substituting levels of ramie in the rumen and jejunum of goats (p > .05). In conclusion, ramie with high substitution had strong antinutritional effect, which might promote the apoptosis in the gastrointestinal tract of goats in a caspase‐independent manner, thus affecting the growth and development of goat. It was suggested that ramie should not replace alfalfa more than 35% in the process of goat feeding.

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Alfalfa (Medicago sativa L.) seed yield and quality under different forage management systems and irrigation treatments in a Mediterranean environment

Cited by 54 publications

References 11 publications

Using path analysis to determine lucerne (Medicago sativaL.) seed yield and its components

Using path analysis to determine lucerne (Medicago sativaL.) seed yield and its components

Alfalfa nutritive quality as influenced by drought in South-Eastern Oasis of Tunisia

Effect of alfalfa substituted with ramie on the expression of apoptotic genes in the gastrointestinal tracts of goats

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