Maturity indices of Indian horse-chestnut (Aesculus indica Colebr.) seeds under temperate Kashmir conditions

Majeed, Mumtaz; Khan, M. A.; Bashir, Altamash; Qaisar, K. N.

doi:10.1007/s11632-010-0007-4

Cited by 8 publications

(7 citation statements)

References 3 publications

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“…Maturity of seeds also has been associated with seed moisture content, for example, Ricinus communis L. seed maturity was reported to occur at 22 % seed moisture content (Vallejos et al, 2011). Seeds of Aesculus indica Colebr, Albizzia lebbeck and Celtis australis had physiological maturity at 58, 52 and 32 % seed moisture content respectively (Majeed et al, 2010;Bhardwaj et al, 2002). Our research showed that seeds of H. Perotensis reached physiological maturity with fresh seed weight of 0.010 to 0.015 g, moisture content lower than 20 % and seed germination of 85 %.…”

Section: Discussionmentioning

confidence: 99%

Seed mass maturity in the terrestrial bromeliad Hechtia perotensis (Bromeliaceae), endemic to Mexico

et al. 2021

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Introduction: H. perotensis is a plant with a high potential for ecological restoration because it yields thousands of seeds and grows under low levels of rain, poor soils and contrasting temperatures. However, little is known of the seed mass maturity (high seed germination, low seed fresh weight and low seed moisture content) in this species. Objective: Assess seed germination in the laboratory of H. perotensis during seed development and along the floral stalk (infructescence) in two sites one in rocky location and another near a lake. The hypothesis was that there is a time after flowering in which seeds have highest germination and fresh weight and that the apical, centre and base of the infructescence are different in seed germination and fresh weight in both sites. Methods: Capsules were collected in two sites one in rocky land (Frijol Colorado, Perote, Veracruz) and another near one lake (Alchichica, Puebla), in the months of August, September and November 2016 and January 2017. A repeated measure design (RMD) was used to analyze the effects of infructescence section on seed weight, moisture content and seed germination (41, 87, 152 and 215 days after flowering). Each evaluation time comprised five replicates, each one with 15 seeds. Results: Difference in seed germination, seed weight and moisture content between sections of the infructescence was not significant. However, significant differences were found not only between first and last sample dates, buy mainly between first and second dates. Eighty-seven days after flower pollination seed moisture content was lower than 20 % and up to 80 % of seed germinated in both sites of sampling. Conclusions: In this study it was found that the moisture content of H. perotensis seed can be used as an indicator of the physiological maturity of the seed and it is also related to germination of the seed.

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Section: Discussionmentioning

confidence: 99%

Seed mass maturity in the terrestrial bromeliad Hechtia perotensis (Bromeliaceae), endemic to Mexico

et al. 2021

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“…5). A number of researchers (Sofi et al, 2016 in Acer caesium;Ahirwar, 2012 in Alangium lamarckii andMumtaz et al, 2009 in Aesculus indica) have correlated seed germination percent with maturity of seeds. At altitude A 1 germination per cent of 13.71 per cent was recorded at first collection in the first fortnight of August and subsequently increased to 67.37 percent at maturity.…”

Section: Fig 2 Altitudinal Variation In Specific Gravity At Different Stages Of Cones Maturity In Pinus Wallichianamentioning

confidence: 99%

“…Maturity of cones is ascertained by seed dispersal, which is the common indicator of seed maturity in conifers (Edwards, 1980). The mature seeds have higher vigour and potential for establishment of seedlings as compared to immature seeds (Sofi et al, 2016;Mumtaz et al, 2009). Fruit collection should only be started when seeds are sufficiently mature.…”

Section: Introductionmentioning

confidence: 99%

Cone and seed maturity indices in Pinus wallichiana under temperate conditions of Kashmir Himalayas, India

Bhat

Mughal

Malik

et al. 2017

JANS

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Pinus wallichiana (Blue pine) does not have a good seed every year and hence it becomes necessary to collect abundant quantity of seed during good seed year. It becomes necessary to know the exact time of seed ma-turity. To overcome this problem, the present investigation was conducted in Kashmir valley at four different altitudes and locations i.e. (1,600-2,000 masl–KFD), (2,000-2,400 masl -LFD), (2,400-2,800-PFD) and (2,800-3200 masl– SFD). The results revealed that seed collection clearly showed wide variation in the maturity of cones. Cone colour served as an indicator of maturity and it changed from light green to green and green with brown patches at maturity-ty. Seed colour changed from whitish to light brown and dark brown at maturity. The mean cone weight (118.67- 88.17gm) and specific gravity (1.13-0.90) decreased as the cones proceeded towards maturity. The mean seed weight of 21.79 to 57.13gm increased at all altitudes as the cones advanced towards maturity. Cone length, cone diameter and germination percent differed (P≤0.05) significantly between altitudes and increased when the cones advanced towards maturity. The germination per cent was recorded more at altitudinal range of 1,600-2,400 masl (67.25-70.26%) at maturity, while as it was recorded lower at higher altitudes (42.12-47.25%). It is concluded that the altitudinal range of 1,600-2,400 masl is best sites for collection of phenotypically superior seeds in terms of maxi-mum cone length (18.18cm), diameter (5.23mm) and weight (108.94gm), number of seeds per cone (117.72), seed weight (79.99) and germinability (68.75).

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“…The tree is being widely used for afforestation and ornamental purposes as well as for fodder, wood as small timber, and branches for making charcoal. In the forests, Aesculus indica seeds are eaten by monkeys, bears and other wild animals as fodder (Majeed et al, 2009). The tree is commercially important and has high nutritional value as the fruits are fed to cattle and goats.…”

Section: Introductionmentioning

confidence: 99%

Response of Phenological Events of Aesculus indica Colebr. to Climate Change Along an Altitudinal Gradient in Kumaun Himalaya, Uttarakhand

Singh

Mittal

2018

Int. J. Environ.

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The present study investigated the timing and duration of phenological events of A. indica in different elevational range Kumaun Himalayan forest. A total of four sites at elevation ranging between 1,900m and 2,200m were selected and at each site 10 s were marked for observations. The phenological events, i.e. leaf bud formation, leaf bud busting, leafing, flowering bud formation, flowering bud busting, flowering, fruit/seed formation, seed fall and leaf fall were monitored. Phenological duration and asynchrony of these phenophases were determined at 10 day intervals and every 2-3 day intervals during the period of peak activities. The minimum length displayed leaf bud formation (44 days) and maximum by leaf fall (86 days) across the elevation. The environmental conditions, particularly temperature, affected the phenological patterns of A. indica. The leaf bud busting activity of A. indica was 51 days. Flowering activity started on May 1st and was extended over 76 days until July 15th. Seed fall activity was extended over 66 day across elevations. ANOVA showed the longevity of phenophases were varied significantly respective to elevations (p<0.05). Our observation showed that all the phenological events of A. indica appear early at lower (1900 m) and are delayed with increasing elevation. All corresponding phenological events were earlier at lower elevations because the optimum (9.0 to 19.5°C) is met earlier in these conditions.

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Maturity indices of Indian horse-chestnut (Aesculus indica Colebr.) seeds under temperate Kashmir conditions

Cited by 8 publications

References 3 publications

Seed mass maturity in the terrestrial bromeliad Hechtia perotensis (Bromeliaceae), endemic to Mexico

Seed mass maturity in the terrestrial bromeliad Hechtia perotensis (Bromeliaceae), endemic to Mexico

Cone and seed maturity indices in Pinus wallichiana under temperate conditions of Kashmir Himalayas, India

Response of Phenological Events of Aesculus indica Colebr. to Climate Change Along an Altitudinal Gradient in Kumaun Himalaya, Uttarakhand

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