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Pregled bibliografske jedinice broj: 492208

Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting


Gršić, Kristina; Čavlek, Miroslav
Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting // CORESTA CD-ROM, CORESTA CONGRESS, EDINBURGH 2010
Edinburgh, Ujedinjeno Kraljevstvo, 2010. (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting

Autori
Gršić, Kristina ; Čavlek, Miroslav

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
CORESTA CD-ROM, CORESTA CONGRESS, EDINBURGH 2010 / - , 2010

Skup
CORESTA CONGRESS

Mjesto i datum
Edinburgh, Ujedinjeno Kraljevstvo, 12.09.2010. - 16.09.2010

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
flue-cured tobacco; chlorophyll meter; chlorophyll content index (CCI); ripeness

Sažetak
Field trials were conducted to determine the reliability and efficiency of non-destructive rapid instrumental tools in tobacco production for predicting optimum leaf ripeness for harvest. In this investigation, tobacco leaf ripeness was assessed using a CCM-200 portable chlorophyll meter. The experiments were performed during 2007 and 2008. The factors consisted of the manner of harvest (7, 4 and 3 primings) and the degree of ripeness at the time of harvest (unripe, ripe and overripe). Tobacco was harvested in the unripe, ripe and overripe stages, determined on the basis of chlorophyll readings, in the ranges of 20–25, 15–20 and 10–15 in 2007 and 15–20, 10–15 and 5–10 in 2008. The reliability and efficiency of the estimation of the ripeness of tobacco leaves for harvest were evaluated on the basis of the agronomic traits considered in the light of previous knowledge and the results obtained in similar investigations by other authors when harvesting was carried out on the basis of the visual assessment of the ripeness of the leaves for harvest. The greatest yield, price and total value were achieved in 2007 with the harvest of overripe tobacco and in 2008 with the harvest of ripe tobacco. In 2007, there was no decline in the value of the agronomic properties investigated when harvesting took place during the phase of overripeness, as was generally the case in the investigations performed by other authors, and which in fact did occur in the following year. In both years of the study, the best results were achieved when the tobacco was harvested within a chlorophyll reading range of 10–15. The results of this investigation definitely lead to the conclusion that the chlorophyll reading is a reliable and effective tool for the assessment of the ripeness of tobacco leaves for harvesting.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)



POVEZANOST RADA


Projekti:
092-0000000-3585 - Odnos između zrelosti i kvalitete lista virdžinijskog duhana (Čavlek, Miroslav, MZOS ) ( CroRIS)

Ustanove:
Duhanski institut Zagreb

Profili:

Avatar Url Miroslav Čavlek (autor)

Avatar Url Kristina Gršić (autor)


Citiraj ovu publikaciju:

Gršić, Kristina; Čavlek, Miroslav
Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting // CORESTA CD-ROM, CORESTA CONGRESS, EDINBURGH 2010
Edinburgh, Ujedinjeno Kraljevstvo, 2010. (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Gršić, K. & Čavlek, M. (2010) Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting. U: CORESTA CD-ROM, CORESTA CONGRESS, EDINBURGH 2010.
@article{article, author = {Gr\v{s}i\'{c}, Kristina and \v{C}avlek, Miroslav}, year = {2010}, keywords = {flue-cured tobacco, chlorophyll meter, chlorophyll content index (CCI), ripeness}, title = {Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting}, keyword = {flue-cured tobacco, chlorophyll meter, chlorophyll content index (CCI), ripeness}, publisherplace = {Edinburgh, Ujedinjeno Kraljevstvo} }
@article{article, author = {Gr\v{s}i\'{c}, Kristina and \v{C}avlek, Miroslav}, year = {2010}, keywords = {flue-cured tobacco, chlorophyll meter, chlorophyll content index (CCI), ripeness}, title = {Chlorophyll meter reading - a reliable tool for the estimation of tobacco leaf ripeness for harvesting}, keyword = {flue-cured tobacco, chlorophyll meter, chlorophyll content index (CCI), ripeness}, publisherplace = {Edinburgh, Ujedinjeno Kraljevstvo} }




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