東華大學圖書館 |

語系: 繁體中文

說明(常見問題)

回圖書館首頁

手機版館藏查詢

登入

回首頁

切換: 標籤 | MARC模式 | ISBD

Elucidation of Avocado Fruit Maturat...

Focht, Eric,

FindBook

Google Book

Amazon

博客來

Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions // Eric Focht.
作者:	Focht, Eric,
面頁冊數:	1 electronic resource (137 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-08, Section: B.
Contained By:	Dissertations Abstracts International86-08B.
標題:	Botany. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31761168
ISBN:	9798302859518

Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions /
Focht, Eric,

Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions /Eric Focht. - 1 electronic resource (137 pages)

Source: Dissertations Abstracts International, Volume: 86-08, Section: B.

The 'Hass' avocado, originating from La Habra Heights, California, is a globally significant crop. Over time, somatic mutations have arisen from repeated grafting, leading to the development of two notable cultivars from Chile: 'Flavia' and 'Eugenin'. Both cultivars produce larger fruit than 'Hass', with 'Flavia' fruit also reported to mature earlier. Avocado maturity is measured by dry weight, which represents the non-water mass of the fruit. Different dry weight standards are necessary for various cultivars and growing regions, as climate significantly influences the maturation rate of avocado fruits.This study investigates the fatty acid composition of 'Hass', 'Flavia', and 'Eugenin', given that lipids constitute the majority of the avocado fruit's dry weight and are its most nutritionally important component. Over two years, it was found that palmitoleic acid consistently had higher levels in 'Eugenin' and 'Flavia' fruit compared to 'Hass'. The study also examined the environmental effects on fatty acid composition by comparing these cultivars in two different locations. Significant environmental effects were observed, consistent with existing literature, showing lower levels of oleic acid and higher levels of palmitic acid in fruit from the warmer trial site.Sensory panels conducted over two years assessed whether participants could distinguish between the cultivars. While differences were detectable, consistent differentiation was only achieved with statistical significance in the second year. The findings confirmed that 'Flavia' and 'Eugenin' produce larger fruits than 'Hass'. Cultivar differences in dry weight accumulation were also noted in the sensory panel portion of the trial, where a larger sample size revealed these differences.In conclusion, detectable differences in the maturity metrics and composition of 'Flavia' and 'Eugenin' compared to 'Hass' fruits were found, but these differences were not of the same nature as those resulting from environmental conditions that hasten fruit maturation. While further research is needed, this study provides a promising start in understanding both the distinct characteristics and environmental responses of 'Flavia' and 'Eugenin' compared to 'Hass'.

English

ISBN: 9798302859518Subjects--Topical Terms:

516217
Botany.
Subjects--Index Terms:

Avocado

Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions /
LDR:03694nmm a22004453i 4500 001 2435750
005 20251029060342.5
006 m o d
007 cr|nu||||||||
008 261011s2024 miu||||||m |||||||eng d
020 $a 9798302859518
035 $a (MiAaPQD)AAI31761168
035 $a AAI31761168
040 $a MiAaPQD $b eng $c MiAaPQD $e rda
100 1 $a Focht, Eric, $e author. $3 3826162
245 1 0 $a Elucidation of Avocado Fruit Maturation Mechanisms Under Different Environmental Conditions / $c Eric Focht.
264 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2024
300 $a 1 electronic resource (137 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Dissertations Abstracts International, Volume: 86-08, Section: B.
500 $a Advisors: Arpaia, Mary Lu Committee members: Seymour, Danelle; Jia, Arthur.
502 $b Ph.D. $c University of California, Riverside $d 2024.
520 $a The 'Hass' avocado, originating from La Habra Heights, California, is a globally significant crop. Over time, somatic mutations have arisen from repeated grafting, leading to the development of two notable cultivars from Chile: 'Flavia' and 'Eugenin'. Both cultivars produce larger fruit than 'Hass', with 'Flavia' fruit also reported to mature earlier. Avocado maturity is measured by dry weight, which represents the non-water mass of the fruit. Different dry weight standards are necessary for various cultivars and growing regions, as climate significantly influences the maturation rate of avocado fruits.This study investigates the fatty acid composition of 'Hass', 'Flavia', and 'Eugenin', given that lipids constitute the majority of the avocado fruit's dry weight and are its most nutritionally important component. Over two years, it was found that palmitoleic acid consistently had higher levels in 'Eugenin' and 'Flavia' fruit compared to 'Hass'. The study also examined the environmental effects on fatty acid composition by comparing these cultivars in two different locations. Significant environmental effects were observed, consistent with existing literature, showing lower levels of oleic acid and higher levels of palmitic acid in fruit from the warmer trial site.Sensory panels conducted over two years assessed whether participants could distinguish between the cultivars. While differences were detectable, consistent differentiation was only achieved with statistical significance in the second year. The findings confirmed that 'Flavia' and 'Eugenin' produce larger fruits than 'Hass'. Cultivar differences in dry weight accumulation were also noted in the sensory panel portion of the trial, where a larger sample size revealed these differences.In conclusion, detectable differences in the maturity metrics and composition of 'Flavia' and 'Eugenin' compared to 'Hass' fruits were found, but these differences were not of the same nature as those resulting from environmental conditions that hasten fruit maturation. While further research is needed, this study provides a promising start in understanding both the distinct characteristics and environmental responses of 'Flavia' and 'Eugenin' compared to 'Hass'.
546 $a English
590 $a School code: 0032
650 4 $a Botany. $3 516217
650 4 $a Agriculture. $3 518588
650 4 $a Plant sciences. $3 3173832
650 4 $a Environmental studies. $3 2122803
653 $a Avocado
653 $a Clonal cultivars
653 $a Fatty acid
653 $a Maturity metrics
653 $a Sensory science
690 $a 0309
690 $a 0473
690 $a 0479
690 $a 0477
710 2 $a University of California, Riverside. $b Plant Biology. $e degree granting institution. $3 3826163
720 1 $a Arpaia, Mary Lu $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 86-08B.
790 $a 0032
791 $a Ph.D.
792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31761168