| dc.contributor.advisor | Professor Dr. Balaram Roy | |
| dc.contributor.author | AKHI, AFRIN MOSTARI | |
| dc.date.accessioned | 2022-04-25T04:09:51Z | |
| dc.date.available | 2022-04-25T04:09:51Z | |
| dc.date.issued | 2015-06 | |
| dc.identifier.uri | http://localhost:8080/xmlui/handle/123456789/835 | |
| dc.description | Plant hormones are produced naturally by plants and are essential for regulating their
own growth. They act by controlling or modifying plant growth processes, such as
formation of leaves and flowers, elongation of stems, development and ripening of fruit.
In modern agriculture, people have established the benefits of extending the use of plant
hormones to regulate growth of other plants. When natural or synthetic substances used
in this manner, they are called Plant Growth Regulators. The application of plant growth
regulators in agriculture has started in the 1930s in the USA. Ethylene, a naturally
occurring substance, is one of the first plant growth regulators being discovered and used
successfully for enhancing flower production in pineapple. Its toxic effects to human
beings are low. Synthetic substances that mimic such naturally occurring plant hormones
were also produced, since then the use of plant growth regulators has been growing
significantly and becoming a major component in modern agriculture.
Three common plant growth regulators over the years, ethylene has continued to be
among the best known examples of plant growth regulators. It is a gaseous plant
hormone playing a key regulatory role in ripening of many types of fruits, including
banana, apple, pear and melons. It can be produced naturally by ripening fruit or from
synthetic sources such as ethephon. Ethylene produced by the ripening apple will speed
up the ripening process of bananas, giving you the ripe bananas next morning. | en_US |
| dc.description.abstract | An experiment was conducted to check the growth regulatory activities of aqueous
extracts of the stem and bark of drumstick plant (Moringa oleifera) on five varieties of
summer vegetable seeds namely, Bitter gourd (Momordica charantia), Ladies finger
(Abelmoschus esculentus), wax gourd (Benincasa hispida) cucumber (Cucumis sativus)
and yard long bean (Vigna unguiculata), with the attempt for chemical investigation on
effective plant extract. The aqueous extract of stem and bark of drum stick plant
significantly increased and enhanced germination, growth of shoot and root length of
bitter gourd, cucumber and yard long bean seeds compared with control whereas bark
reduced and delayed germination, growth of shoot and root length. The aqueous extract
of stem and bark of drumstick plant had the stimulating effect on germination by 20,
5.50, 23.50, and 24%. The highest shoot length were 12.03, 0.00, 15.92, 0.00 and 29.15
cm, and root length were 5.82, 5.48, 11.74, 0.00 and 13.92 cm, for bitter gourd, ladies
finger, cucumber, wax gourd and yard long bean seedlings respectively due to some
growth regulatory or other bio-active substances. Chemical investigation of aqueous
extract of stem and bark of drumstick plant was in progress, which will be reported in
due course. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR. | en_US |
| dc.subject | GROWTH REGULATORY ACTIVITIES | en_US |
| dc.subject | AQUEOUS EXTRACT | en_US |
| dc.subject | BARK AND STEM | en_US |
| dc.subject | DRUMSTICK PLANT ON SUMMER | en_US |
| dc.subject | VEGETABLES WITH CHEMICAL | en_US |
| dc.title | GROWTH REGULATORY ACTIVITIES OF AQUEOUS EXTRACT OF BARK AND STEM OF DRUMSTICK PLANT ON SUMMER VEGETABLES WITH CHEMICAL STUDY | en_US |
| dc.type | Thesis | en_US |
