The main aim is to prevent self- pollination and is done with the help of forceps. This process is known as budding. In some species, pollen release and stigma recepitivity are not synchronized. List three devices, which flowering plant have developed to discourage self pollination? The first two plants show the dioecious condition in which male and female flowers are borne on separate plants while the fourth plant exhibits monoecy, where male and female flowers are borne on the same plant. Pink flower = female flower; Blue flower = male flower; Bicolored flower = bisexual/hermaphrodite flower. Self-pollination is common and more likely to happen in the case of hermaphrodite flowers but a successive series of self-pollination affects negatively and causes inbreeding depression. continued self pollination leads to inbreeding depression list three devices which flowering plants have developed to discourage self pollination - - TopperLearning.com | bhl4jvqll Outbreeding Devices. Explain any two devices by which autogamy is prevented in flowering plants. The continued self-pollination leads to chances of inbreeding depression. Thus plants are adapted to promote cross-pollination. This also results in homozygous genes. Concept: Pre-fertilisation - Structures and Events - Pollination. asked Dec 7, 2018 in Biology by kajalk (77.6k points) cbse; class-12; 0 votes. Outbreeding devices : Majority of flowering plants produces hermaphrodite flowers which undergo self-pollination. This is known as outbreeding. Plant species were classified pertaining to the nourishment of organisms into three categories: (i) autotroph, plant that makes its own food, (ii) hemiparasite and parasite, partial or total parasite that obtains its nourishment from a living plant and (iii) insectivore, plant that obtains partially its … Ans. Flowering plant have developed many devices to discourage self-pollination to encourage cross-pollination. Continued self pollination lead to inbreeding depression. In order to avoid self-pollination,cross-pollination is encouraged in plants as follows : a. Artificial pollination- When stigma from emasculated flower becomes mature it is … Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination. explain any three inbreeding devices in flowering plant. Fig.4.1.Terminology. Continuous self-pollination results in inbreeding depression. This is done by enclosing the emasculated flowers in muslin, oil, paper or polythene bag. 1. Class-12CBSE Board - Outbreeding Devices and Pollen-Pistil Interaction - LearnNext offers animated video lessons with neatly explained examples, Study Material, FREE … Three inbreeding techniques in flowering plant are :- Emasculation- It is technique that involves removal of anthers from the flower buds before it splits apart in bisexual flowers. 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