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तेल खजूर Tag

12 Jul

Posted at 04:58h in Crop Cultivation
Ramachandrudu, V. Suneetha and G. Sekhar 19 views

पि‍पली: तेल खजूर के बडे बागानों के लि‍ए आर्दश अंत:फसल   Java long pepper (Piper chaba Hunter syn. Piper retrofractum Vahl.) is one among Panchakola group of spices. Its fruits and roots are used in preparation of ayurvedic medicines for treating indigestion, abdominal colic, poisoning, haemorrhoids, anorexia etc. It is native of South and South East Asia and commonly seen in Assam, Tripura and West Bengal in India. Because of medicinal and aromatic properties, its commercial production is picking up as an inter crop in coconut, areca nut and oil palm gardens in South India. It is perennial with climbing growth habit and performing satisfactorily even under dense shade (75%) of oil palm. Cultivation of long pepper in grown up oil palm gardens is slowly picking up and its area is about 3000 acres in Andhra Pradesh and Telangana states. पि‍पली के फल Botany Java long pepper Java long pepper belongs to family Piperaceae. It is short knarled perennial in nature, glabbrous, fleshy climber with adhesive roots. Leaves are stalked, alternate, lanceolate on the vine and chordate on runners. Inflorescence is pedunculate flower spike that comes from main stem node opposite to leaf. It flowers and bears fruits round the year. The fruit is drupe which is light green in colour when it is matured, red when ripened...

16 Dec

Posted at 06:20h in Miscellaneous
L.Saravanan 34 views

तेल पाम में परागण करने वाला एक घुन या कीट- भुजा एलाइडोबियस कामरुनिकस (फ़ॉस्ट) Oil palm, Elaeis guineensis Jacq. is a monoecious plant which means it bears male and female inflorescences, separated from one another on the same vegetative axis. This particular situation demands cross pollination, as both the inflorescences of the same plant are seldom simultaneously receptive. Pollination in oil palm is primarily by various means viz., wind and insects. Several species of insects are reported as natural pollinating agents, of which Elaeidobius kamerunicus is the predominant species. Introduction of this weevil increased fruit set from 36.9 to 56.0% resulting in 40% increase in bunch weight. Knowing about various aspects of pollinating weevil, will assist oil palm growers to plan the plant protection strategies and conserve the pollinating weevils for better performance in pollination. Bunch failure and Insect pollination in oil palm Bunch failure refers to bunch that fails to develop from anthesis to harvest. This could be due to physiological reasons, bunch rot, poor pollination (lack of pollinators) etc.   Figure 1. Oil palm with adequately pollinated fruit bunches  Figure 2. Bunch showing very poor fruit set Anthesis of male flowers (refers to stage of pollen production) starts with the opening of florets at the base of the male inflorescence. The opening progresses gradually...