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Gujarat Agricultural University (1996)

GROWTH, DEVELOPMENT AND YIELD ATTRIBUTES OF CHICKPEA (Cicer arietinum Linn.) IN RELATION TO WEATHER PARAMETERS

Rao, Gattineni Srinivasa

Titre : GROWTH, DEVELOPMENT AND YIELD ATTRIBUTES OF CHICKPEA (Cicer arietinum Linn.) IN RELATION TO WEATHER PARAMETERS

Auteur : Rao, Gattineni Srinivasa

Université de soutenance : Gujarat Agricultural University

Grade : Master of Science in Agricultural Meteorology 1996

Résumé
Chickpea or Bengal gram (Cicer arietinum Linn.) is one of the most important pulse crops in India. The crop is grown in the semi-arid tropical areas of India as a winter crop on stored soil moisture from the preceding rainy season. The crop is characterized as drought tolerant and the productivity is different in different environments. Many of the crop management practices developed have focused the water management aspects, neglecting the importance of energy interception and its efficiency. An experiment was conducted at Agronomy Farm of the B.A. College of Agriculture, Gujarat Agricultural University, Anand Campus, Anand during rabi season of 1994-95, on chickpea cv. ICCC-4 on the loamy sand soil with three dates of sowing and two pest control measures with Latin Square Design. The results obtained in this investigation revealed that the air temperature had profound influence on the growth and development of the chickpea crop. The differences in the total biomass per plant, number of pods per plant and seed yield per hectare among all the treatments were significant. The number of days taken for completion of the emergence phase was negatively and significantly correlated with mean values of pan evaporation and air temperature.. Significant positive correlations were observed for the minimum air temperature, morning and afternoon vapour pressures, and morning and afternoon relative humidities, with days taken for the completion of vegetative phase. The duration of pod setting phase was found to be significantly and positively correlated with sunshine duration (BSS), pan evaporation, wind speed but negatively correlated with both the morning and afternoon relative humidities. BSS had negative association with number of days taken for completion of the pod filling phase. During the maturing phase, most of the weather parameters were found to have significant association with the number of days taken for its completion.

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