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Attempts to regulate growth of cupressus macrocarpa, hartw cv golderest through growth regulators and chemical fertilization [electronic resource].

By:

El-Keltawi, N .E

Contributor(s):

Language: English Summary language: Arabic Description: p.132-148Other title:

محاولات لتنظيم نمو السرو الليموني صنف جولد كريست [Added title page title]

Uniform titles:

Assiut journal of agricultural sciences, 2012 v. 43 (2), Special issue [electronic resource]:

Subject(s):

Cupressus macrocarpa

Online resources:

Full Text Article.

In: Assiut Journal of Agricultural Sciences 2012.v.43(2)Summary: The effect of pollen grain suspensions spray or pollen grains dust as a pollination method of Sewy date palm which combines with both mechanical pollination and fruit thinning was studied during- 2009, 2010 and 2011 seasons. Spraying method of pollination was conducted by using pollen grains at 0.4, 0.6, 0.8, and 1.0g/L mixed with 0.2g boric acid and 10% sucrose as activating media. Pollen dust at 0.4, 0.6, 0.8, and 1.0g mixed with talc powder in ratio of 1:24 ,16,12,and 9 was also examined. The obtained results indi- cated that there were a reduction on the percentage of fruit reten- tion and bunch weight as the pol- len grains concentration was lower. There were no significant differences in bunch weight due to pollination with 1.0g pollen grains compared to control.

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The effect of pollen grain suspensions spray or pollen grains dust as a pollination method of Sewy date palm which combines with both mechanical pollination and fruit thinning was studied during- 2009, 2010 and 2011 seasons. Spraying method of pollination was conducted by using pollen grains at 0.4, 0.6, 0.8, and 1.0g/L mixed with 0.2g boric acid and 10% sucrose as activating media. Pollen dust at 0.4, 0.6, 0.8, and 1.0g mixed with talc powder in ratio of 1:24 ,16,12,and 9 was also examined. The obtained results indi- cated that there were a reduction on the percentage of fruit reten- tion and bunch weight as the pol- len grains concentration was lower. There were no significant differences in bunch weight due to pollination with 1.0g pollen grains compared to control.

Summary in Arabic.

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