Studies of flowering pattern in cashew (&lt;i&gt;Anarcardium occidentale&lt;/i&gt; L.)

Aliyu, Olawale Mashood; Awopetu, JA

doi:10.4314/njg.v18i1.42288

Cited by 6 publications

(18 citation statements)

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“…Number of staminate and hermaphrodite flowers tend to show slight variation across the canopy with highest recorded in the southern part. Full data on this aspect of flowering pattern and distribution in Nigeria has been reported in Aliyu and Awopetu (2003). Light and temperature had been reported to influence the distribution of flowers in cashew (Charkrabort et al 1981).…”

Section: Discussionmentioning

confidence: 95%

“…The study was carried out in three cashew production seasons (1999/ 2000-2001/2002). Although flowering commences as early as September, study on pollination and compatibility is often delayed till the peak of flowering between October and January in the region (Akinwale 1992;Aliyu and Awopetu 2003).…”

Section: Methodsmentioning

confidence: 99%

“…Pollen grain size was determined under the microscope by measuring with a calibrated ocular eye-piece graticle. Records on floral characters like number of male and hermaphrodite flowers were carried out daily between 10.30 h and 12.30 h during the flowering period (SeptemberJanuary) following the procedure described by Damodaran (1966) and Masawe et al (1996) and also reported in Aliyu and Awopetu (2003). The study was carried out in three cashew production seasons (1999/ 2000-2001/2002).…”

Section: Methodsmentioning

confidence: 99%

“…The materials are the progenies of early Indian Introductions in the country, which have been grown and adapted over a long planting period. A full diallel cross among the 11 clones was carried out using randomized complete block design experimental layout with tree canopy marked on the four cardinal positions (north, south, west and east) using a compass (Masawe et al 1996;Aliyu and Awopetu 2003). There were sixty pollinations for each kind of cross (i.e.…”

Section: Methodsmentioning

confidence: 99%

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Pollen–style compatibility in cashew (Anacardium occidentale L.)

Aliyu

2007

Euphytica

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The role of pollen-stigma interaction and pollen tube growth as a measure of genetic compatibility was studied in eleven clones of cashew under a tropical rainforest ecology in Southwestern Nigeria between 1999 and 2002. Diallel cross of the clones showed that 55.00% of the cross-pollinated crosses showed high pollen cross-compatibility (CC) indicating moderate genetic distance in the population. About 54.55% of the clones showed evidence of selfcompatibility, therefore confirming that cashew is self-fertile. Cytological examination however suggests possible postzygotic self-incompatibility in the crop as no evidence of tube growth inhibition was recorded in both cross-and self-pollinated styles. Correlation between maternal compatibility (pollen recipients) and fruit set shows that more attention need to be focused in this direction during selection. Based on the data from this study, the use of combinations of floral quality characteristics like high pollen fertility, prolific flowering, and high flower sex ratio plus high cross-compatibility as reliable selection criteria for cashew yield improvement is therefore suggested.

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Section: Discussionmentioning

confidence: 95%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Pollen–style compatibility in cashew (Anacardium occidentale L.)

Aliyu

2007

Euphytica

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“…Several authors attributed number of hermaphrodite Xowers to be closely related to fruit set (Rao and Hassan 1957;Murthy et al 1984;Parameswaran et al 1984). However, Masawe et al (1996) and Aliyu and Awopetu (2003) have reported between 50 and 416 hermaphrodite Xowers/panicle in Tanzania and Nigeria; suggesting that number of hermaphrodite Xowers is unlikely to limit fruit set in cashew. Foltan and Ludders (1995) uphold the same view with studies in Australia.…”

Section: Introductionmentioning

confidence: 92%

Compatibility and fruit-set in cashew (Anacardium occidentale L.)

Aliyu

2007

Euphytica

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Understanding complex factors controlling yield is very crucial to the improvement of cashew in major producing countries currently experiencing very low yield and consequently making cashew farming unproWtable and the whole industry unsustainable. Eleven cashew clones were evaluated for their compatibility and fruit set between 2000 and 2002 seasons, in a diallel cross using randomized complete block design with three replications. Data collected on number of fruit set at 6 weeks after pollination were statistically analyzed. SigniWcant diVerences between the parents at the 1% level, revealed the existence of variability for compatibility and fruit set, with 34% cross-compatibility, 51% partial cross-compatibility and 15% cross-incompatibility recorded, while 37% of the parents were selfcompatible. Parents sharing the same apples colors tend to be highly cross-compatible, while some clones showed evidence of unilateral compatibility. Maximum value of 55% fruit set obtained from crosspollination probably indicates upper limit for fruit set in cashew. SigniWcant correlation between compatibility and variation in fruit yield suggests the important role of parental compatibility in selection of planting materials for the establishment of cashew plantation.

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Advances in Plant Breeding Strategies: Nut and Beverage Crops

2019

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Studies of flowering pattern in cashew (<i>Anarcardium occidentale</i> L.)

Cited by 6 publications

References 0 publications

Pollen–style compatibility in cashew (Anacardium occidentale L.)

Pollen–style compatibility in cashew (Anacardium occidentale L.)

Compatibility and fruit-set in cashew (Anacardium occidentale L.)

Advances in Plant Breeding Strategies: Nut and Beverage Crops

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