OCCURRENCE OF INTERCELLULAR SPACES IN CAMBIAL RAYS KISHORE S. RAJPUT

1998 ◽  
Vol 46 (4) ◽  
pp. 299-302 ◽  
Author(s):  
Kishore S. Raiput ◽  
K. S. Rao

Large intercellular spaces were found in uniseriate as well as multiseriate cambial rays of Tectona grandis L., Azadirachta indica A. Juss., and Tamarindus indica L. During the period when the cambium is inactive, some of the ray cambial cells became oval to circular, resulting in the development of intercellular spaces. However, the cells were polygonal and compactly arranged during active growth of the cambium. Similarly, such spaces were also noticed in the rays of phloem and xylem. The occurrence of intercellular spaces in cambial rays is correlated with the phenology of trees and local climatic factors, and their possible significance is discussed.

Author(s):  
Aasawari A. Tak ◽  
Umesh B. Kakde

Objective: Air pollution is one of the major global tribulations in many developing cities around the world. Addressing this sort of pollution is more intricate than other ecological challenges. As pollution is an upcoming issue, we aimed at assessing the air pollution tolerant plants from roadside exposed to vehicular air pollution from two different locations in Thane city.Methods: In the present study, commonly available ten roadside tree species selected from polluted and control area, and their air pollution tolerance index (APTI) determined in Thane city. The biochemical parameters viz. pH, ascorbic acid, total chlorophyll, relative water content (RWC) were considered to calculate APTI by using standard method.Results: The study shows that the control site has more APTI than the polluted site. The APTI observed minimum in Tectona grandis 5.2±0.3247 and maximum in Azadirachta indica 13.5±0.4404. Reduction in APTI at polluted site shows that Alstonia scholaris (6.6%), Tamarindus indica (8.8%) and Azadirachta indica (10.3%) were the most tolerant tree species, while Tectona grandis (47.5%), Acacia nilotica (27.4%) and Cassia fistula (20.7%) were more sensitive tree species. The results showed the order of tolerance (% difference in APTI) as Alstonia scholaris (6.6%)>Tamarindus indica (8.8%)>Azadirachta indica (10.3%)>Moringa pterygosperma (11.9%)>Mangifera indica (13.9%)>Bahunia variegate (14.3%)>Annona squamosa (18.7%)>Cassia fistula (20.7%)>Acacia nilotica (27.4%)>Tectona grandis (47.5%).Conclusion: Tolerant trees species can serve as a sink, and sensitive tree species can act as an indicator for air pollution mitigation. Thus, this study provides useful insights for selecting tolerant species for future planning and Greenbelt development in urban areas.


2015 ◽  
Vol 64 (1-6) ◽  
pp. 91-99 ◽  
Author(s):  
R. Kamalakannan ◽  
M. Varghese ◽  
J.-M. Park ◽  
S.-H. Kwon ◽  
J.-H. Song ◽  
...  

Abstract Growth and reproductive traits were assessed in seed stands of two native Indian tree species Tamarindus indica and Azadirachta indica. Positive correlation between growth (height and GBH) and reproductive traits (male and female contribution) were found in both species. Fertility was estimated from the flower and fruit production of individuals. Based on the fertility variation among individuals, parental balance, femaleness index and status number (Ns) were determined. The option of equal seed collection among individuals was also considered for estimating Ns. The percentage of fertile trees was higher in the high flowering year in both species. The best male contributing individuals also showed high female contribution (fruit production). The parental contribution in seed stands showed high deviation from expectation; 20% individuals contributed about 70% of male and female gametes in both species. Femaleness index showed that female and male contribution of individual tree was more balanced in the good flowering year, compared to the poor year. Coefficient of variation in male and female fertility was higher in the low flowering year resulting in high fertility variation among individuals and low status number. In T. indica, the female contribution was less variable compared to that of male fertility whereas in A. indica the female fertility variation was higher than that of male fertility. The relative status number (Nr = Ns/N) of the stands was lower for male and female fertility compared to the combined (male and female) fertility of individual trees.


Author(s):  
Danilo Isac Maia de Souza ◽  
Lucas Ramos da Costa ◽  
Marcelo Tavares Gurgel ◽  
Sílvio Roberto Fernandes Soares

Este trabalho foi desenvolvido com o objetivo de avaliar a arborização do bairro de peixe-gordo. Para isso foi realizado levantando, identificação e caracterização das árvores plantadas com potencial para o uso em arborização urbana, de forma a oferecer novas opções de utilização para estas árvores, levando em conta suas qualidades e limitações. A presente pesquisa foi realizada entre os dias 13 à 28 de julho de 2013, os dados foram coletados através de contagem simples e anotados em uma ficha de campo previamente preparada com informações sobre a data de coleta, nome vulgar (popular) e científico das espécies. Ainda foi realizado o registro de fotos das árvores. Foram encontrados 266 indivíduos arbóreos, pertencente a 29 espécies. A espécie mais frequente constatada foi o coqueiro (Cocos nucifera L.) Com uma percentagem de 31,2%. Vale ressaltar que, a presença das espécies do (a): Nim (Azadirachta indica a. Juss.) com percentual de 26,3%, carnaúba (Copernicia prunifera) com 6,01%, mangueira (Mangifera indica L.) e tamarindo (Tamarindus indica L.) com 4,13% respectivamente, e o juazeiro (Ziziphus joazeiro Mart.) com 3,38% de ocorrência.


HERBALISM ◽  
2021 ◽  
Vol 4 (1) ◽  
pp. 86-100
Author(s):  
Barbara Sawicka ◽  
Barbara Krochmal-Marczak ◽  
Bernadetta Bienia

Omówiono i opisano wybrane gatunki znajdujące się zarówno w stanie naturalnym, jak i w uprawie, spośród 7500 roślin leczniczych występujących na terenie Indii – prawdziwego emporium roślin leczniczych i aromatycznych. W codziennym użyciu są tam takie gatunki jak: Azadirachta indica, Cardiospermum halicacabum, Erythrina indica, Gloriosa superba, Jatropha curcas, Moringa oleifera, Phyllanthus amarus, Ssbania grandiflora, Tamarindus indica, Tridax procumbens i Vitex negundo. Najczęściej zaś uprawiane są: Aloe vera, Azadirachta indica, Curcuma longa, Emblica officinalis, Eukaliptus tereticornis, Gloriosa superba, Moringa oleifera, Ricinus communis, Sesamum indicum, Ssbania grandiflora, Solanum americanum, Tamarindus indica i Zingiber officinale. Określono też ich wartość użytkową.


FLORESTA ◽  
2013 ◽  
Vol 43 (4) ◽  
pp. 671 ◽  
Author(s):  
Valéria Hollunder Klippel ◽  
José Eduardo Macedo Pezzopane ◽  
José Ricardo Macedo Pezzopane ◽  
Roberto Avelino Cecílio ◽  
Fábio da Silveira Castro ◽  
...  

Objetivou-se com este estudo realizar um zoneamento climático para as espécies Tectona grandis, Toona ciliata, Bactris gasipaes e Azadirachta indica, no estado do Espírito Santo. Utilizaram-se dados meteorológicos do período de 1977 a 2006, provenientes de 80 postos pluviométricos da ANA localizados dentro do estado e em 16 postos circunvizinhos, de 11 estações meteorológicas pertencentes ao INCAPER e de 3 do INMET. Os elementos climáticos usados foram a temperatura do ar e a deficiência hídrica anual para a capacidade de água disponível de 300 mm. Fazendo-se uso de um sistema de informação geográfica, classificou-se o estado em zonas de aptidão climática. A espécie Azadirachta indica pode ser implantada em 54,7% da área total, e esse valor elevado foi devido à baixa restrição em relação às exigências climáticas, quando comparado às outras espécies. Todavia, a Bactris gasipaes é a espécie que apresenta a menor porção de área apta para a sua implantação (4,2%), devido às suas restrições hídricas e térmicas, que não condizem com as condições do estado. Tectona grandis e Toona ciliata apresentaram aptidão climática, respectivamente, em 33,3% e 27% da área total.Palavra-chave:    Espécies florestais; balanço hídrico; sistema de informação geográfica; aptidão climática. AbstractClimatic zoning for teca, australian cedar, neem and pupunha in state of Espirito Santo. This research aims to make a climatic zoning for the species: Tectona grandis, Toona ciliata, Bactris gasipaes and Azadirachta indica, in State of Espirito Santo. It was used meteorological data from 1977 to 2006, considering eighty rainfall posts of the ANA, located within the state and sixteen posts in surrounding states. Eleven weather stations belonged to INCAPER and three other stations to INMET. The climate elements used were air temperature and annual water deficiency, calculated for a soil water storage capacity of 300 mm. It used geographical information system, ranking the State in areas of climatic suitability. As result, it indicates that the Azadirachta indica can be implanted in 54.7% of the total area of the State, this high value is due to its low restriction in relation to climatic requirements compared to other species. However, Bactris gasipaes is the species that has the lowest amount of area suitable for its implementation (4.2%), due to its thermal and water restrictions not suitable to the State conditions. Tectona grandis and Toona ciliata revealed climatic suitability, respectively, in 33.3% and 27% of the total area of the State.Keywords: Forest species; water balance; geographic information system; zoning; climate aptitude.


IAWA Journal ◽  
1997 ◽  
Vol 18 (2) ◽  
pp. 197-201 ◽  
Author(s):  
Kishore S. Rajput ◽  
K. S. Rao

Solitary sieve elements or groups of sieve elements were encountered in the rays of secondary phloem of Erythrina indica, Guazuma tomentosa, Acacia nilotica, Azadirachta indica, and Tectona grandis trees. These elements were short and possessed simple and compound sieve plates on their transverse to slightly oblique end walls. Each sieve tube element was associated with a single companion cell at their comers. Like axial sieve tube elements, the sieve tube elements of the rays showed slime (P-protein) plugs and cytoplasmic strands when functional and massive deposition of callose on sieve plates in nonfunctional sieve tube elements. The distribution pattern of these ray sieve elements differed among the species studied. The detailed structure and possible significance of these elements are discussed.


2018 ◽  
Vol 24 (1) ◽  
Author(s):  
S.A. FIRDOUSI

During the extensive and intensive survey in order to collect and observe the severe fungal disease of nursery of social forestry department J. K. Park, Jalgaon, out of 20 trees plants, 16 plants were found affected from severe fungal diseases. These plants were – Azadirachta indica, Albezia procera, Albezia lebbeck, Madhuca latifolia, Pongamia pinnata, Tectona grandis, Termenilia arjuna, Termenelia bellerica, Ficus religiosa, Ficus benghalensis, Dalbergia sisso and Cassia fistula. About 8 leaf spot, 3 rust, 3 powdery mildew and 2 wilt diseases were observed during two years 2015-16, 2016-17. Pathogens were identified with the help of available literature and confirmed by experts.


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