El - Metwally, A., Mohamoud, G., El-Haggan, E. (2007). EFFECT OF SOWING DATES AND IRRIGATION INTERVALS ON GROWTH, YIELD AND SEED QUALITY OF FABA BEAN.. Journal of Plant Production, 32(7), 5155-5166. doi: 10.21608/jpp.2007.208898
A. El - M. El - Metwally; Gamalat O. Mohamoud; Eman A. El-Haggan. "EFFECT OF SOWING DATES AND IRRIGATION INTERVALS ON GROWTH, YIELD AND SEED QUALITY OF FABA BEAN.". Journal of Plant Production, 32, 7, 2007, 5155-5166. doi: 10.21608/jpp.2007.208898
El - Metwally, A., Mohamoud, G., El-Haggan, E. (2007). 'EFFECT OF SOWING DATES AND IRRIGATION INTERVALS ON GROWTH, YIELD AND SEED QUALITY OF FABA BEAN.', Journal of Plant Production, 32(7), pp. 5155-5166. doi: 10.21608/jpp.2007.208898
El - Metwally, A., Mohamoud, G., El-Haggan, E. EFFECT OF SOWING DATES AND IRRIGATION INTERVALS ON GROWTH, YIELD AND SEED QUALITY OF FABA BEAN.. Journal of Plant Production, 2007; 32(7): 5155-5166. doi: 10.21608/jpp.2007.208898
EFFECT OF SOWING DATES AND IRRIGATION INTERVALS ON GROWTH, YIELD AND SEED QUALITY OF FABA BEAN.
Two Field trials were carried out during 2000/01 and 2001/02 seasons at Agric. Exp. Stat., Fac. Agric., Cairo Univ., to study the effect of irrigation intervals (25, 35 or 45 days) on productivity and seed quality of faba bean sown in three dates (mid October, late October and mid November). The soil texture was Clay loam. The obtained results could be summarized as follows:
The highest values of plant height, number of branches/ plant and straw yield / faddan were obtained with October sowings compared to November. However, sowing on late October gave the highest values of seed yield/faddan, 100 seeds weight, bulk density, protein %, ash %, and hydration after cooking % and stewing %. In addition, sowing on late October gave the lowest percentages of tannin, hulls and fiber. However, the highest values of number of pods, number of seeds and seed yield/plant as well as harvest index were obtained from sowing on mid November followed by sowing on late October as compared with Mid October sowing.
It could be concluded that sowing faba bean on late October or mid November produced seeds with high seed quality compared with mid October sowing.
Concerning irrigation interval effect, the highest values of faba bean straw yield and their attributes was obtained at irrigation interval of 25 or 35 days as compared with 45 days. The highest seed yield per plant, 100 seeds weight and number of seeds per plant as well as seed yield/ faddan were obtained at irrigation interval of 35 days as compared with 25 or 45 days. With increasing irrigation interval up to 45 days, seed protein content statistically increased while fiber content significantly decreased. The highest total carbohydrate percentage and the lowest content of tannin were recorded from irrigation at 35 days compared to irrigation at 45 or 25 days. The highest values of cooking quality traits (bulk density, hydration coefficient after cooking %, total soluble solids % and stewing %) were obtained by irrigation faba bean plants at 35 days interval. In addition, irrigation at 45 days interval resulted in producing seeds characterized by high values of hydration after soaking and minimum values of hulls percentage.
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