Natural and Artificial Pollination of Atemoya in Brazil

Melo, Mara Rúbia Mendes de; Pommer, Celso Valdevino; Kavati, Ryosuke

doi:10.17660/actahortic.2004.632.16

Cited by 2 publications

(3 citation statements)

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“…Further greater TSS:TA ratio in 2003 was attributable to higher TSS values, which means the fruit pulp was more sweet and less sour during 2003. In the hand-pollinated atemoya fruits in Brazil, Melo et al (2004) recorded a smaller TSS:TA ratio (37.2 to 49.8), whereas those recorded by us were quite high (81.1 to 150.6). This could be attributed primarily to the pulp quality characteristic of the atemoya variety studied by them.…”

Section: Discussioncontrasting

confidence: 64%

“…The previous workers depending on pollen treatment in different Annona spp. have reported variable effects on fruit set: 1) in A. cherimola, set was 84% to 96% with self-pollen but with mixed pollen, it was 38% to 69% (Richardson and Anderson, 1996); 46.6% when self-pollen was used but with atemoya pollen, it was 4.7% (Duarte and Escobar, 1998); 2) in A. atemoya with A. squamosa pollen, the set was 80.5% (Melo et al, 2004); 3) in A. squamosa, set was 90.9% to 100% with self-pollen (Cogez and Lyannaz, 1996); and 4) in A. muricata, set ranged from 31.2% to 37.5% (Khalid, 1992). Kahn et al (1994) showed that both maternal and paternal parents have significant effects on percentage of fruit set.…”

Section: Discussionmentioning

confidence: 99%

“…To circumvent poor fruit set, either hand pollination (Escobar et al, 1986;Melo et al, 2004;Saavedra, 1977) or use of insect pollinators (Gazit et al, 1982;George et al, 1989;Peña et al, 2002) is recommended, but the latter gives erratic results and is not efficient when pollination from a specific pollen source is desired. Hand pollination improves fruit set and substantially boosts fruit yield per tree by increasing the fruit size and number, the major yield components (Pritchard and Edwards, 2006).…”

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confidence: 99%

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Pseudo-xenic Effect of Allied Annona spp. Pollen in Hand Pollination of cv. ‘Arka Sahan’ [(A. cherimola × A. squamosa) × A. squamosa]

Jalikop¹,

Kumar²

2007

horts

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Annonaceous fruits are characterized by a serious problem of fruit set, and hand pollination is commonly practiced for improving the set. Because we observed that allied Annona spp. are freely crossable and often produce attractive Fo fruits, the possibility of using their pollen in hand pollination was investigated. A total of 1080 flowers of cv. Arka Sahan in 2003 and 3420 in 2004 were pollinated with A. atemoya Hort., A. cherimola Mill., A. reticulata L., A. squamosa L., and self-pollen. Pollen source had significant effects in both or either year on all 14 fruit traits studied except days to ripening. A. squamosa pollen gave the highest fruit set (greater than 91%) and the heaviest fruits (greater than 600 g). Good to moderate fruit set was recorded with A. reticulata and self-pollen (31% to 86%); and with A. atemoya and A. cherimola pollen, the set was poor (4% to 13%), whereas natural set was as low as 2%. ‘Arka Sahan’ fruits resulting from A. squamosa pollen showed quicker fruit maturity (128 days) and least weight loss on ripening (13%). Evaluation of fruit pulp quality revealed that pollen source and year had significant effects on the total soluble solids and acidity but not their ratio. Mean number of seeds per 100 g fruit was found to vary (6 to 11) with pollen source used. A. squamosa and A. reticulata pollen had higher seed count with good to moderate fruit size and symmetrical shape, but those from the rest of the pollen sources neither possessed good size nor shape. Results clearly showed that ‘Arka Sahan’ could be successfully hand pollinated with A. squamosa pollen. The differential ability of pollen sources to fertilize number of ovules and set seeds per fruit rather than the pollen genotype had a significant effect on many fruit traits like size, symmetry, skin thickness, and total soluble solids, which we describe as ”pseudo-xenia.” Useful pseudo-xenic effect is worth exploiting in fruit culture.

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Section: Discussioncontrasting

confidence: 64%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Pseudo-xenic Effect of Allied Annona spp. Pollen in Hand Pollination of cv. ‘Arka Sahan’ [(A. cherimola × A. squamosa) × A. squamosa]

Jalikop¹,

Kumar²

2007

horts

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Attraction of Pollinators to Atemoya (Annona squamosa × Annona cherimola) in Puerto Rico Using Commercial Lures and Food Attractants

et al. 2015

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Atemoya is a hybrid between Annona squamosa L. and Annona cherimola Miller (Annonaceae) and has potential to be an important fruit crop in tropical and subtropical areas. A major impediment to fruit production is low fruit set due to inadequate pollinator visits, typically, by beetles in the family Nitidulidae. We used Universal moth traps to monitor the attractiveness of two commercially available Nitidulidae lures in combination with various food attractants, including raw bread dough, apple juice, and malta beverage, a soft drink by-product of the brewing process. The most commonly trapped beetles were, in order of decreasing frequency, Carpophilus dimidiatus (F.), Brachypeplus mutilatus Erichson, Urophorus humeralis (F.) (Coleoptera: Nitidulidae), and Europs fervidus Blatchley (Coleoptera: Monotomidae). All traps, except the unbaited control traps, caught beetles. In a previous study, we found that combining two commercial lures had a synergistic effect on the attraction of these beetle species. In this study, the addition of food attractants increased the number of beetles trapped compared with traps baited with only the commercial lures. Also, food attractants appear to be key in attracting U. humeralis; only one U. humeralis individual of the 206 caught during the experiment was trapped without a food attractant. The variation between the number of beetles caught in traps containing the same treatments was high and may explain the erratic results reported in other studies of pollination in Annona spp. The results are discussed with respect to the use of nitidulid lures and food attractants to increase fruit set in atemoya and other Annonaceae.

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Natural and Artificial Pollination of Atemoya in Brazil

Cited by 2 publications

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Pseudo-xenic Effect of Allied Annona spp. Pollen in Hand Pollination of cv. ‘Arka Sahan’ [(A. cherimola × A. squamosa) × A. squamosa]

Pseudo-xenic Effect of Allied Annona spp. Pollen in Hand Pollination of cv. ‘Arka Sahan’ [(A. cherimola × A. squamosa) × A. squamosa]

Attraction of Pollinators to Atemoya (Annona squamosa × Annona cherimola) in Puerto Rico Using Commercial Lures and Food Attractants

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