2011
DOI: 10.21273/hortsci.46.3.396
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Low Night Temperature Increases Ovary Size in Sweet Pepper Cultivars

Abstract: Cool night temperatures have been reported to induce ovary swelling and consequent fruit deformation in bell pepper (Capsicum annuum L.), resulting in unmarketable fruit. This response is a serious limitation to the success of winter production systems for bell pepper. Limited work has been done with other types of sweet pepper, so it is unknown how universal this response is. Furthermore, most prior work has examined effects on ovary diameter only, and there is limited chara… Show more

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Cited by 11 publications
(8 citation statements)
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“…Climate changes, including low and high temperatures, strong wind, drought, flooding, and heavy rainfall can severely influence crop yield and productivity [2,5]. Particularly, reports demonstrated the impact of the night low temperature (NLT) with different temperature regimes during the period of entire growth and development [6,7]. The NLT remarkably affected seed germination, seedling growth, leaf morphology, stem diameter (SD), and plant height (PH) during the vegetative stages of tomato, cucumber, and pepper plants [7][8][9][10][11][12][13][14], causing poor growth and development.…”
Section: Introductionmentioning
confidence: 99%
“…Climate changes, including low and high temperatures, strong wind, drought, flooding, and heavy rainfall can severely influence crop yield and productivity [2,5]. Particularly, reports demonstrated the impact of the night low temperature (NLT) with different temperature regimes during the period of entire growth and development [6,7]. The NLT remarkably affected seed germination, seedling growth, leaf morphology, stem diameter (SD), and plant height (PH) during the vegetative stages of tomato, cucumber, and pepper plants [7][8][9][10][11][12][13][14], causing poor growth and development.…”
Section: Introductionmentioning
confidence: 99%
“…The studies have assessed that the impact of LT on anther and ovary shapes, causing the malformation of floral organs including the stunted stamen, the decreased number of pollen, and the reduced pollen activity by hindering pollination and fertilization [18,22], which further led to the abnormal formations of fruit development, irregular fruit shapes, and parthenocarpic fruits, together with reduced NSF [18,41]. The malformation of fruit shapes was produced by swollen ovary and shorten style in LT as previous studies mentioned in rice, mango, and pepper plants [2,6,42,43], indicating that the development of floral organs with stamen and ovary are very sensitive to LT. Moreover, the parthenocarpic fruits and the declined NSF are associated with the balance of plant hormones including auxin, gibberillin, and cytokinin due to the lack of fertilization, but might not be the defect of pollination [44,45].…”
Section: Discussionmentioning
confidence: 91%
“…Pepper plants have been naturally exposed to harsh cold stress during winter season in agriculture and possess the cellular and molecular mechanisms to acclimate and overcome the low temperature stress [33][34][35][36]. Previous reports have been demonstrated in the response to LT with limited accessions and mainly in reproductive traits including flower morphologies, fruit shapes, fruit types, and fruit yield [6,18,19]. In addition, the effect of LT on the agronomical traits has been reported primarily in bell pepper.…”
Section: Discussionmentioning
confidence: 99%
“…At the sixth-leaf stage (%50 d after sowing), seedlings were transplanted to 1.5-L containers using the same growing media for germination and maintained in the growth chambers throughout the experiments. Plants were pruned to two axes, as previously described (Cruz-Huerta et al, 2011). Briefly, two shoots were allowed to grow at the first branching point to form the main stems.…”
Section: Methodsmentioning
confidence: 99%
“…As the duration of LNT increases beyond %1 week, both the percentage of ovaries that exhibit swelling (Aloni et al, 1999;Polowick and Sawhney, 1985) and the extent of ovary swelling (Cruz-Huerta et al, 2011) increase. Increased source-sink ratio also increases the proportion of swollen ovaries.…”
mentioning
confidence: 99%