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Fig - 7- The curve of concentration of CYTOZYME and growth of
cotyledons
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CONCLUSION


The growth regulators used in the experiment have different characteristics - ROOTS, PGR4 and HZ63 are growth promoters They directly stimulate the tiller development, leaf enlargement and high clipping yield.. ROOTS is more powerful than PGR4 and MZ63 in stimulating growth of grasses.. BAYLATON, BANNER are growth retarders They retard the cell enlargement, make leaves fine and short But they make leaf color dark even under the low fertilization, have high turf density and high resistibility to disease, insects and drought.. Their requlative mechanisms and function are being studied CYTOZYME did not have any effect on growth and appearance of grasses..


REFERENCES

Dennis, F. G. et al.. (1967) Science 156, 71—73..

Kursanov, A. L. and Kulaeva D.. N. (1964) Soviet Plant Physiol.., 11), 838—8’~7.

r-Iothus, K. (1959) Colloq. Ges, Physiol.. Che~, 10, 78—81.

Person, C., et al. (1957) Nature (London) 180, 1294—1295.

Richmond, A.E. and Lang, A. (1957) Science, i25, 650—651.

Sha~~t, M. and tlanocha, M. S.. (1965) Canada, J. lUot., 4), 747-755.

Turg’on, A. J. (1985) Turfgrass Management, published by Reston Co.

Yopp, .~J. Ii. (1986) Bioazsays and other special techniques for pl.tnt hormones and plant growth regulators, published by Plant Gr’wth Regulator Society of America, 76-78..

Zink, F.. W. (1961) Agricultura’ and Food Ctierni;try, 9, 304..

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