characteristics of all living organisms. The physiological definition of growth is “An irreversible change in the organism‚ organ or cell is called growth”‚ which includes increase in mass weight or volume of living organism‚ it leads to development in plants. REGION OF GROWTH: Growth region is located at extreme apices of root‚ stem‚ leaf where we make out meristematic tissue. In addition to above‚ the region where intercalary and lateral meristem is present is also considered as growth region. PHASES
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processing‚ and papain production at immature stage. It can be a highly profitable crop now. The papaya plant has male‚ female‚ hermaphrodite (bisexual flower) and some other complex forms.Male plants do not bear any fruit‚ Normally the fruit shape from female plant is shorter‚ but the fruit shape from hermaphrodite (bisexual flower) plant is longer. CLIMATE AND SOIL CONDITION Papaya is a tropical‚ plant‚ very sensitive to frost. Optimum temperature is 25 - 30° C and minimum 16° C. The suitable ph value
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The Camanchile and the Passion (Plant Fable) Once upon a time there grew in a forest a large camanchile tree with spreading branches. Near this tree grew many other trees with beautiful fragrant flowers that attracted travellers. The camanchile had no fragrant flowers; but still its crown was beautifully shaped‚ for the leaves received as much light as the leaves of the other trees. But the beauty of the crown proved of no attraction to travellers‚ and they passed the tree
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embryonic plant that is enclosed in a seed coat or some kind of protection (Seed‚ 2009). A seed is the basis for any plant life; it is the essential beginning for any sort of growth. A seed is created from a previous plant or two plants pollinating with each other to create a seedling (Seed‚ 2009). Typically there are three main parts of a seed: an embryo‚ nutrients for the embryo‚ and a seed coat (Seed‚ 2009). The embryo is the true essential of the seed. It contains the one cotyledon‚ or plant leaf
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_____ in plants possible. a. Sexual reproduction b. asexual reproduction c. photosynthesis 7. The transfer of _____ is called pollination. a. Sperm cells b. pollen from the stamen to the pistil c. egg cells from the pistil to the stamen 8. ____is the transferring of pollen from stamen to the pistil of the same flower. a. Self pollination b. cross-pollination c. asexual reproduction 9. When the pollen is transferred from the stamen to the pistil of a flower of another plant‚ the
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the start of a plant. When environmental factors such as moisture‚ temperature‚ oxygen‚ and sometimes light are appropriate‚ a viable seed will begin to germinate. Salinity (salt-affected) in plants can cause ionic stresses‚ especially since Na+ (sodium) and Cl- (chlorine) inhibit metabolic processes including protein synthesis. Protein synthesis is the process by which cells build proteins. When salt divides in water‚ sodium and chloride ions separate and then it may harm the plant. It takes about
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produce crops. Salinity is a problem for plant growth which is reduced as a result of the soluble salt in the soil. These salts are too high in the soil and as a result they are difficult to be managed or controlled. Plants exposed to salt stress undergo changes in their metabolism place in their environment. This make water unavailable to plants ‚ which results in reduced water up take (Mwai ‚ 2001). Imbibition is a diffusion process of water in plants where the net movement of water is along a
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The Effects of a Seed Coat in Seed Germination Mario Monroe INT1 Task 3 The Effects of a Seed Coat in Seed Germination Abstract Seed germination is an important aspect in plants growth and food production. It is therefore it’s of uttermost importance to know the effective ways of seed germination so as to improve food production. This research was therefore prompted by the rising issue of farmers buying low quality and a damaged maize seed from unscrupulous sellers and this has led to deterioration
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Chemicals? Do you ever feel that you need your own space? When you feel you want to get away from other people‚ you can walk away or leave the room. Plants and trees need their own space in order to obtain sufficient amounts of nutrients from the soil and sunlight. Plants‚ of course‚ are unable to move away. However‚ some plants use chemicals to keep other plants from growing too close. This process is called allelopathy. Some scientists believe that germinating radish seeds give off a chemical that
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into a new plant. The embryo grows inside the ovule and then develops into a fruit. 3. Many types of flowers produce fruits that are fragrant and sweet tasting. Describe how these characteristics of fruits may be important for dispersal. Fruits protect and help disperse seeds. The more fragrant and sweet smelling a fruit is‚ the more attractive it is to animals. Therefore‚ plants that produce the fragrant and sweet smelling fruit may be in more abundance than other dull looking plants without a
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